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CHANGES.txt
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CHANGES.txt
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HBase Change Log
Release 0.20.0 - Unreleased
INCOMPATIBLE CHANGES
HBASE-1147 Modify the scripts to use Zookeeper
HBASE-1144 Store the ROOT region location in Zookeeper
(Nitay Joffe via Stack)
HBASE-1146 Replace the HRS leases with Zookeeper
HBASE-61 Create an HBase-specific MapFile implementation
(Ryan Rawson via Stack)
HBASE-1145 Ensure that there is only 1 Master with Zookeeper (Removes
hbase.master) (Nitay Joffe via Stack)
HBASE-1289 Remove "hbase.fully.distributed" option and update docs
(Nitay Joffe via Stack)
HBASE-1234 Change HBase StoreKey format
BUG FIXES
HBASE-1140 "ant clean test" fails (Nitay Joffe via Stack)
HBASE-1129 Master won't go down; stuck joined on rootScanner
HBASE-1136 HashFunction inadvertently destroys some randomness
(Jonathan Ellis via Stack)
HBASE-1138 Test that readers opened after a sync can see all data up to the
sync (temporary until HADOOP-4379 is resolved)
HBASE-1121 Cluster confused about where -ROOT- is
HBASE-1148 Always flush HLog on root or meta region updates
HBASE-1181 src/saveVersion.sh bails on non-standard Bourne shells (e.g. dash)
(K M via Jean-Daniel Cryans)
HBASE-1175 HBA administrative tools do not work when specifying region
name (Jonathan Gray via Andrew Purtell)
HBASE-1190 TableInputFormatBase with row filters scan too far (Dave
Latham via Andrew Purtell)
HBASE-1198 OOME in IPC server does not trigger abort behavior
HBASE-1209 Make port displayed the same as is used in URL for RegionServer
table in UI (Lars George via Stack)
HBASE-1217 add new compression and hfile blocksize to HColumnDescriptor
HBASE-859 HStoreKey needs a reworking
HBASE-1211 NPE in retries exhausted exception
HBASE-1233 Transactional fixes: Overly conservative scan read-set,
potential CME (Clint Morgan via Stack)
HBASE-1239 in the REST interface does not correctly clear the character
buffer each iteration-1185 wrong request/sec in the gui
reporting wrong (Brian Beggs via Stack)
HBASE-1245 hfile meta block handling bugs (Ryan Rawson via Stack)
HBASE-1238 Under upload, region servers are unable
to compact when loaded with hundreds of regions
HBASE-1247 checkAndSave doesn't Write Ahead Log
HBASE-1243 oldlogfile.dat is screwed, so is it's region
HBASE-1169 When a shutdown is requested, stop scanning META regions immediately
HBASE-1251 HConnectionManager.getConnection(HBaseConfiguration) returns same
HConnection for different HBaseConfigurations
HBASE-1157, HBASE-1156 If we do not take start code as a part of region
server recovery, we could inadvertantly try to reassign regions
assigned to a restarted server with a different start code;
Improve lease handling
HBASE-1267 binary keys broken in trunk (again) -- part 2 and 3
(Ryan Rawson via Stack)
HBASE-1268 ZooKeeper config parsing can break HBase startup
(Nitay Joffe via Stack)
HBASE-1270 Fix TestInfoServers (Nitay Joffe via Stack)
HBASE-1277 HStoreKey: Wrong comparator logic (Evgeny Ryabitskiy)
HBASE-1275 TestTable.testCreateTable broken (Ryan Rawson via Stack)
HBASE-1274 TestMergeTable is broken in Hudson (Nitay Joffe via Stack)
HBASE-1283 thrift's package descrpition needs to update for start/stop
procedure (Rong-en Fan via Stack)
HBASE-1284 drop table drops all disabled tables
HBASE-1290 table.jsp either 500s out or doesnt list the regions (Ryan
Rawson via Andrew Purtell)
HBASE-1293 hfile doesn't recycle decompressors (Ryan Rawson via Andrew
Purtell)
HBASE-1150 HMsg carries safemode flag; remove (Nitay Joffe via Stack)
HBASE-1232 zookeeper client wont reconnect if there is a problem (Nitay
Joffe via Andrew Purtell)
HBASE-1303 Secondary index configuration prevents HBase from starting
(Ken Weiner via Stack)
HBASE-1298 master.jsp & table.jsp do not URI Encode table or region
names in links (Lars George via Stack)
HBASE-1310 Off by one error in Bytes.vintToBytes
HBASE-1202 getRow does not always work when specifying number of versions
HBASE-1324 hbase-1234 broke testget2 unit test (and broke the build)
HBASE-1321 hbase-1234 broke TestCompaction; fix and reenable
HBASE-1330 binary keys broken on trunk (Ryan Rawson via Stack)
HBASE-1332 regionserver carrying .META. starts sucking all cpu, drives load
up - infinite loop? (Ryan Rawson via Stack)
HBASE-1334 .META. region running into hfile errors (Ryan Rawson via Stack)
HBASE-1338 lost use of compaction.dir; we were compacting into live store
subdirectory
HBASE-1058 Prevent runaway compactions
HBASE-1292 php thrift's getRow() would throw an exception if the row does
not exist (Rong-en Fan via Stack)
HBASE-1340 Fix new javadoc warnings (Evgeny Ryabitskiy via Stack)
HBASE-1287 Partitioner class not used in TableMapReduceUtil.initTableReduceJob()
(Lars George and Billy Pearson via Stack)
IMPROVEMENTS
HBASE-1089 Add count of regions on filesystem to master UI; add percentage
online as difference between whats open and whats on filesystem
(Samuel Guo via Stack)
HBASE-1130 PrefixRowFilter (Michael Gottesman via Stack)
HBASE-1139 Update Clover in build.xml
HBASE-876 There are a large number of Java warnings in HBase; part 1,
part 2, part 3, part 4, part 5, part 6, part 7 and part 8
(Evgeny Ryabitskiy via Stack)
HBASE-896 Update jruby from 1.1.2 to 1.1.6
HBASE-1031 Add the Zookeeper jar
HBASE-1142 Cleanup thrift server; remove Text and profuse DEBUG messaging
(Tim Sell via Stack)
HBASE-1064 HBase REST xml/json improvements (Brian Beggs working of
initial Michael Gottesman work via Stack)
HBASE-5121 Fix shell usage for format.width
HBASE-845 HCM.isTableEnabled doesn't really tell if it is, or not
HBASE-903 [shell] Can't set table descriptor attributes when I alter a table
HBASE-1166 saveVersion.sh doesn't work with git (Nitay Joffe via Stack)
HBASE-1167 JSP doesn't work in a git checkout (Nitay Joffe via Andrew
Purtell)
HBASE-1178 Add shutdown command to shell
HBASE-1184 HColumnDescriptor is too restrictive with family names
(Toby White via Andrew Purtell)
HBASE-1180 Add missing import statements to SampleUploader and remove
unnecessary @Overrides (Ryan Smith via Andrew Purtell)
HBASE-1191 ZooKeeper ensureParentExists calls fail
on absolute path (Nitay Joffe via Jean-Daniel Cryans)
HBASE-1187 After disabling/enabling a table, the regions seems to
be assigned to only 1-2 region servers
HBASE-1210 Allow truncation of output for scan and get commands in shell
(Lars George via Stack)
HBASE-1221 When using ant -projecthelp to build HBase not all the important
options show up (Erik Holstad via Stack)
HBASE-1189 Changing the map type used internally for HbaseMapWritable
(Erik Holstad via Stack)
HBASE-1188 Memory size of Java Objects - Make cacheable objects implement
HeapSize (Erik Holstad via Stack)
HBASE-1230 Document installation of HBase on Windows
HBASE-1241 HBase additions to ZooKeeper part 1 (Nitay Joffe via JD)
HBASE-1231 Today, going from a RowResult to a BatchUpdate reqiures some
data processing even though they are pretty much the same thing
(Erik Holstad via Stack)
HBASE-1240 Would be nice if RowResult could be comparable
(Erik Holstad via Stack)
HBASE-803 Atomic increment operations (Ryan Rawson and Jon Gray via Stack)
Part 1 and part 2 -- fix for a crash.
HBASE-1252 Make atomic increment perform a binary increment
(Jonathan Gray via Stack)
HBASE-1258,1259 ganglia metrics for 'requests' is confusing
(Ryan Rawson via Stack)
HBASE-1265 HLogEdit static constants should be final (Nitay Joffe via Stack)
HBASE-1244 ZooKeeperWrapper constants cleanup (Nitay Joffe via Stack)
HBASE-1262 Eclipse warnings, including performance related things like
synthetic accessors (Nitay Joffe via Stack)
HBASE-1273 ZooKeeper WARN spits out lots of useless messages
(Nitay Joffe via Stack)
HBASE-1285 Forcing compactions should be available via thrift
(Tim Sell via Stack)
HBASE-1186 Memory-aware Maps with LRU eviction for cell cache
(Jonathan Gray via Andrew Purtell)
HBASE-1205 RegionServers should find new master when a new master comes up
(Nitay Joffe via Andrew Purtell)
HBASE-1309 HFile rejects key in Memcache with empty value
HBASE-1331 Lower the default scanner caching value
HBASE-1235 Add table enabled status to shell and UI
(Lars George via Stack)
HBASE-1333 RowCounter updates
HBASE-1195 If HBase directory exists but version file is inexistent, still
proceed with bootstrapping (Evgeny Ryabitskiy via Stack)
HBASE-1301 HTable.getRow() returns null if the row does no exist
(Rong-en Fan via Stack)
HBASE-1176 Javadocs in HBA should be clear about which functions are
asynchronous and which are synchronous
(Evgeny Ryabitskiy via Stack)
HBASE-1260 Bytes utility class changes: remove usage of ByteBuffer and
provide additional ByteBuffer primitives (Jon Gray via Stack)
Release 0.19.0 - 01/21/2009
INCOMPATIBLE CHANGES
HBASE-885 TableMap and TableReduce should be interfaces
(Doğacan Güney via Stack)
HBASE-905 Remove V5 migration classes from 0.19.0 (Jean-Daniel Cryans via
Jim Kellerman)
HBASE-852 Cannot scan all families in a row with a LIMIT, STARTROW, etc.
(Izaak Rubin via Stack)
HBASE-953 Enable BLOCKCACHE by default [WAS -> Reevaluate HBASE-288 block
caching work....?] -- Update your hbase-default.xml file!
HBASE-636 java6 as a requirement
HBASE-994 IPC interfaces with different versions can cause problems
HBASE-1028 If key does not exist, return null in getRow rather than an
empty RowResult
HBASE-1134 OOME in HMaster when HBaseRPC is older than 0.19
BUG FIXES
HBASE-891 HRS.validateValuesLength throws IOE, gets caught in the retries
HBASE-892 Cell iteration is broken (Doğacan Güney via Jim Kellerman)
HBASE-898 RowResult.containsKey(String) doesn't work
(Doğacan Güney via Jim Kellerman)
HBASE-906 [shell] Truncates output
HBASE-912 PE is broken when other tables exist
HBASE-853 [shell] Cannot describe meta tables (Izaak Rubin via Stack)
HBASE-844 Can't pass script to hbase shell
HBASE-837 Add unit tests for ThriftServer.HBaseHandler (Izaak Rubin via Stack)
HBASE-913 Classes using log4j directly
HBASE-914 MSG_REPORT_CLOSE has a byte array for a message
HBASE-918 Region balancing during startup makes cluster unstable
HBASE-921 region close and open processed out of order; makes for
disagreement between master and regionserver on region state
HBASE-925 HRS NPE on way out if no master to connect to
HBASE-928 NPE throwing RetriesExhaustedException
HBASE-924 Update hadoop in lib on 0.18 hbase branch to 0.18.1
HBASE-929 Clarify that ttl in HColumnDescriptor is seconds
HBASE-930 RegionServer stuck: HLog: Could not append. Requesting close of
log java.io.IOException: Could not get block locations. Aborting...
HBASE-926 If no master, regionservers should hang out rather than fail on
connection and shut themselves down
HBASE-919 Master and Region Server need to provide root region location if
they are using HTable
With J-D's one line patch, test cases now appear to work and
PerformanceEvaluation works as before.
HBASE-939 NPE in HStoreKey
HBASE-945 Be consistent in use of qualified/unqualified mapfile paths
HBASE-946 Row with 55k deletes timesout scanner lease
HBASE-950 HTable.commit no longer works with existing RowLocks though it's still in API
HBASE-952 Deadlock in HRegion.batchUpdate
HBASE-954 Don't reassign root region until ProcessServerShutdown has split
the former region server's log
HBASE-957 PerformanceEvaluation tests if table exists by comparing descriptors
HBASE-728, HBASE-956, HBASE-955 Address thread naming, which threads are
Chores, vs Threads, make HLog manager the write ahead log and
not extend it to provided optional HLog sync operations.
HBASE-970 Update the copy/rename scripts to go against change API
HBASE-966 HBASE-748 misses some writes
HBASE-971 Fix the failing tests on Hudson
HBASE-973 [doc] In getting started, make it clear that hbase needs to
create its directory in hdfs
HBASE-963 Fix the retries in HTable.flushCommit
HBASE-969 Won't when storefile > 2G.
HBASE-976 HADOOP 0.19.0 RC0 is broke; replace with HEAD of branch-0.19
HBASE-977 Arcane HStoreKey comparator bug
HBASE-979 REST web app is not started automatically
HBASE-980 Undo core of HBASE-975, caching of start and end row
HBASE-982 Deleting a column in MapReduce fails (Doğacan Güney via Stack)
HBASE-984 Fix javadoc warnings
HBASE-985 Fix javadoc warnings
HBASE-951 Either shut down master or let it finish cleanup
HBASE-964 Startup stuck "waiting for root region"
HBASE-964, HBASE-678 provide for safe-mode without locking up HBase "waiting
for root region"
HBASE-990 NoSuchElementException in flushSomeRegions; took two attempts.
HBASE-602 HBase Crash when network card has a IPv6 address
HBASE-996 Migration script to up the versions in catalog tables
HBASE-991 Update the mapred package document examples so they work with
TRUNK/0.19.0.
HBASE-1003 If cell exceeds TTL but not VERSIONs, will not be removed during
major compaction
HBASE-1005 Regex and string comparison operators for ColumnValueFilter
HBASE-910 Scanner misses columns / rows when the scanner is obtained
during a memcache flush
HBASE-1009 Master stuck in loop wanting to assign but regions are closing
HBASE-1016 Fix example in javadoc overvie
HBASE-1021 hbase metrics FileContext not working
HBASE-1023 Check global flusher
HBASE-1036 HBASE-1028 broke Thrift
HBASE-1037 Some test cases failing on Windows/Cygwin but not UNIX/Linux
HBASE-1041 Migration throwing NPE
HBASE-1042 OOME but we don't abort; two part commit.
HBASE-927 We don't recover if HRS hosting -ROOT-/.META. goes down
HBASE-1029 REST wiki documentation incorrect
(Sishen Freecity via Stack)
HBASE-1043 Removing @Override attributes where they are no longer needed.
(Ryan Smith via Jim Kellerman)
HBASE-927 We don't recover if HRS hosting -ROOT-/.META. goes down -
(fix bug in createTable which caused tests to fail)
HBASE-1039 Compaction fails if bloomfilters are enabled
HBASE-1027 Make global flusher check work with percentages rather than
hard code memory sizes
HBASE-1000 Sleeper.sleep does not go back to sleep when interrupted
and no stop flag given.
HBASE-900 Regionserver memory leak causing OOME during relatively
modest bulk importing; part 1 and part 2
HBASE-1054 Index NPE on scanning (Clint Morgan via Andrew Purtell)
HBASE-1052 Stopping a HRegionServer with unflushed cache causes data loss
from org.apache.hadoop.hbase.DroppedSnapshotException
HBASE-1059 ConcurrentModificationException in notifyChangedReadersObservers
HBASE-1063 "File separator problem on Windows" (Max Lehn via Stack)
HBASE-1068 TestCompaction broken on hudson
HBASE-1067 TestRegionRebalancing broken by running of hdfs shutdown thread
HBASE-1070 Up default index interval in TRUNK and branch
HBASE-1045 Hangup by regionserver causes write to fail
HBASE-1079 Dumb NPE in ServerCallable hides the RetriesExhausted exception
HBASE-782 The DELETE key in the hbase shell deletes the wrong character
(Tim Sell via Stack)
HBASE-543, HBASE-1046, HBase-1051 A region's state is kept in several places
in the master opening the possibility for race conditions
HBASE-1087 DFS failures did not shutdown regionserver
HBASE-1072 Change Thread.join on exit to a timed Thread.join
HBASE-1098 IllegalStateException: Cannot set a region to be closed it it
was not already marked as closing
HBASE-1100 HBASE-1062 broke TestForceSplit
HBASE-1191 shell tools -> close_region does not work for regions that did
not deploy properly on startup
HBASE-1093 NPE in HStore#compact
HBASE-1097 SequenceFile.Reader keeps around buffer whose size is that of
largest item read -> results in lots of dead heap
HBASE-1107 NPE in HStoreScanner.updateReaders
HBASE-1083 Will keep scheduling major compactions if last time one ran, we
didn't.
HBASE-1101 NPE in HConnectionManager$TableServers.processBatchOfRows
HBASE-1099 Regions assigned while master is splitting logs of recently
crashed server; regionserver tries to execute incomplete log
HBASE-1104, HBASE-1098, HBASE-1096: Doubly-assigned regions redux,
IllegalStateException: Cannot set a region to be closed it it was
not already marked as closing, Does not recover if HRS carrying
-ROOT- goes down
HBASE-1114 Weird NPEs compacting
HBASE-1116 generated web.xml and svn don't play nice together
HBASE-1119 ArrayOutOfBoundsException in HStore.compact
HBASE-1121 Cluster confused about where -ROOT- is
HBASE-1125 IllegalStateException: Cannot set a region to be closed if it was
not already marked as pending close
HBASE-1124 Balancer kicks in way too early
HBASE-1127 OOME running randomRead PE
HBASE-1132 Can't append to HLog, can't roll log, infinite cycle (another
spin on HBASE-930)
IMPROVEMENTS
HBASE-901 Add a limit to key length, check key and value length on client side
HBASE-890 Alter table operation and also related changes in REST interface
(Sishen Freecity via Stack)
HBASE-894 [shell] Should be able to copy-paste table description to create
new table (Sishen Freecity via Stack)
HBASE-886, HBASE-895 Sort the tables in the web UI, [shell] 'list' command
should emit a sorted list of tables (Krzysztof Szlapinski via Stack)
HBASE-884 Double and float converters for Bytes class
(Doğacan Güney via Stack)
HBASE-908 Add approximate counting to CountingBloomFilter
(Andrzej Bialecki via Stack)
HBASE-920 Make region balancing sloppier
HBASE-902 Add force compaction and force split operations to UI and Admin
HBASE-942 Add convenience methods to RowFilterSet
(Clint Morgan via Stack)
HBASE-943 to ColumnValueFilter: add filterIfColumnMissing property, add
SubString operator (Clint Morgan via Stack)
HBASE-937 Thrift getRow does not support specifying columns
(Doğacan Güney via Stack)
HBASE-959 Be able to get multiple RowResult at one time from client side
(Sishen Freecity via Stack)
HBASE-936 REST Interface: enable get number of rows from scanner interface
(Sishen Freecity via Stack)
HBASE-960 REST interface: more generic column family configure and also
get Rows using offset and limit (Sishen Freecity via Stack)
HBASE-817 Hbase/Shell Truncate
HBASE-949 Add an HBase Manual
HBASE-839 Update hadoop libs in hbase; move hbase TRUNK on to an hadoop
0.19.0 RC
HBASE-785 Remove InfoServer, use HADOOP-3824 StatusHttpServer
instead (requires hadoop 0.19)
HBASE-81 When a scanner lease times out, throw a more "user friendly" exception
HBASE-978 Remove BloomFilterDescriptor. It is no longer used.
HBASE-975 Improve MapFile performance for start and end key
HBASE-961 Delete multiple columns by regular expression
(Samuel Guo via Stack)
HBASE-722 Shutdown and Compactions
HBASE-983 Declare Perl namespace in Hbase.thrift
HBASE-987 We need a Hbase Partitioner for TableMapReduceUtil.initTableReduceJob
MR Jobs (Billy Pearson via Stack)
HBASE-993 Turn off logging of every catalog table row entry on every scan
HBASE-992 Up the versions kept by catalog tables; currently 1. Make it 10?
HBASE-998 Narrow getClosestRowBefore by passing column family
HBASE-999 Up versions on historian and keep history of deleted regions for a
while rather than delete immediately
HBASE-938 Major compaction period is not checked periodically
HBASE-947 [Optimization] Major compaction should remove deletes as well as
the deleted cell
HBASE-675 Report correct server hosting a table split for assignment to
for MR Jobs
HBASE-927 We don't recover if HRS hosting -ROOT-/.META. goes down
HBASE-1013 Add debugging around commit log cleanup
HBASE-972 Update hbase trunk to use released hadoop 0.19.0
HBASE-1022 Add storefile index size to hbase metrics
HBASE-1026 Tests in mapred are failing
HBASE-1020 Regionserver OOME handler should dump vital stats
HBASE-1018 Regionservers should report detailed health to master
HBASE-1034 Remove useless TestToString unit test
HBASE-1030 Bit of polish on HBASE-1018
HBASE-847 new API: HTable.getRow with numVersion specified
(Doğacan Güney via Stack)
HBASE-1048 HLog: Found 0 logs to remove out of total 1450; oldest
outstanding seqnum is 162297053 fr om region -ROOT-,,0
HBASE-1055 Better vm stats on startup
HBASE-1065 Minor logging improvements in the master
HBASE-1053 bring recent rpc changes down from hadoop
HBASE-1056 [migration] enable blockcaching on .META. table
HBASE-1069 Show whether HRegion major compacts or not in INFO level
HBASE-1066 Master should support close/open/reassignment/enable/disable
operations on individual regions
HBASE-1062 Compactions at (re)start on a large table can overwhelm DFS
HBASE-1102 boolean HTable.exists()
HBASE-1105 Remove duplicated code in HCM, add javadoc to RegionState, etc.
HBASE-1106 Expose getClosestRowBefore in HTable
(Michael Gottesman via Stack)
HBASE-1082 Administrative functions for table/region maintenance
HBASE-1090 Atomic Check And Save in HTable (Michael Gottesman via Stack)
HBASE-1137 Add not on xceivers count to overview documentation
NEW FEATURES
HBASE-875 Use MurmurHash instead of JenkinsHash [in bloomfilters]
(Andrzej Bialecki via Stack)
HBASE-625 Metrics support for cluster load history: emissions and graphs
HBASE-883 Secondary indexes (Clint Morgan via Andrew Purtell)
HBASE-728 Support for HLog appends
OPTIMIZATIONS
HBASE-748 Add an efficient way to batch update many rows
HBASE-887 Fix a hotspot in scanners
HBASE-967 [Optimization] Cache cell maximum length (HCD.getMaxValueLength);
its used checking batch size
HBASE-940 Make the TableOutputFormat batching-aware
HBASE-576 Investigate IPC performance
Release 0.18.0 - September 21st, 2008
INCOMPATIBLE CHANGES
HBASE-697 Thrift idl needs update/edit to match new 0.2 API (and to fix bugs)
(Tim Sell via Stack)
HBASE-822 Update thrift README and HBase.thrift to use thrift 20080411
Updated all other languages examples (only python went in)
BUG FIXES
HBASE-881 Fixed bug when Master tries to reassign split or offline regions
from a dead server
HBASE-860 Fixed Bug in IndexTableReduce where it concerns writing lucene
index fields.
HBASE-805 Remove unnecessary getRow overloads in HRS (Jonathan Gray via
Jim Kellerman) (Fix whitespace diffs in HRegionServer)
HBASE-811 HTD is not fully copyable (Andrew Purtell via Jim Kellerman)
HBASE-729 Client region/metadata cache should have a public method for
invalidating entries (Andrew Purtell via Stack)
HBASE-819 Remove DOS-style ^M carriage returns from all code where found
(Jonathan Gray via Jim Kellerman)
HBASE-818 Deadlock running 'flushSomeRegions' (Andrew Purtell via Stack)
HBASE-820 Need mainline to flush when 'Blocking updates' goes up.
(Jean-Daniel Cryans via Stack)
HBASE-821 UnknownScanner happens too often (Jean-Daniel Cryans via Stack)
HBASE-813 Add a row counter in the new shell (Jean-Daniel Cryans via Stack)
HBASE-824 Bug in Hlog we print array of byes for region name
(Billy Pearson via Stack)
HBASE-825 Master logs showing byte [] in place of string in logging
(Billy Pearson via Stack)
HBASE-808,809 MAX_VERSIONS not respected, and Deletall doesn't and inserts
after delete don't work as expected
(Jean-Daniel Cryans via Stack)
HBASE-831 committing BatchUpdate with no row should complain
(Andrew Purtell via Jim Kellerman)
HBASE-833 Doing an insert with an unknown family throws a NPE in HRS
HBASE-810 Prevent temporary deadlocks when, during a scan with write
operations, the region splits (Jean-Daniel Cryans via Jim
Kellerman)
HBASE-843 Deleting and recreating a table in a single process does not work
(Jonathan Gray via Jim Kellerman)
HBASE-849 Speed improvement in JenkinsHash (Andrzej Bialecki via Stack)
HBASE-552 Bloom filter bugs (Andrzej Bialecki via Jim Kellerman)
HBASE-762 deleteFamily takes timestamp, should only take row and family.
Javadoc describes both cases but only implements the timestamp
case. (Jean-Daniel Cryans via Jim Kellerman)
HBASE-768 This message 'java.io.IOException: Install 0.1.x of hbase and run
its migration first' is useless (Jean-Daniel Cryans via Jim
Kellerman)
HBASE-826 Delete table followed by recreation results in honked table
HBASE-834 'Major' compactions and upper bound on files we compact at any
one time (Billy Pearson via Stack)
HBASE-836 Update thrift examples to work with changed IDL (HBASE-697)
(Toby White via Stack)
HBASE-854 hbase-841 broke build on hudson? - makes sure that proxies are
closed. (Andrew Purtell via Jim Kellerman)
HBASE-855 compaction can return less versions then we should in some cases
(Billy Pearson via Stack)
HBASE-832 Problem with row keys beginnig with characters < than ',' and
the region location cache
HBASE-864 Deadlock in regionserver
HBASE-865 Fix javadoc warnings (Rong-En Fan via Jim Kellerman)
HBASE-872 Getting exceptions in shell when creating/disabling tables
HBASE-868 Incrementing binary rows cause strange behavior once table
splits (Jonathan Gray via Stack)
HBASE-877 HCM is unable to find table with multiple regions which contains
binary (Jonathan Gray via Stack)
IMPROVEMENTS
HBASE-801 When a table haven't disable, shell could response in a "user
friendly" way.
HBASE-816 TableMap should survive USE (Andrew Purtell via Stack)
HBASE-812 Compaction needs little better skip algo (Daniel Leffel via Stack)
HBASE-806 Change HbaseMapWritable and RowResult to implement SortedMap
instead of Map (Jonathan Gray via Stack)
HBASE-795 More Table operation in TableHandler for REST interface: part 1
(Sishen Freecity via Stack)
HBASE-795 More Table operation in TableHandler for REST interface: part 2
(Sishen Freecity via Stack)
HBASE-830 Debugging HCM.locateRegionInMeta is painful
HBASE-784 Base hbase-0.3.0 on hadoop-0.18
HBASE-841 Consolidate multiple overloaded methods in HRegionInterface,
HRegionServer (Jean-Daniel Cryans via Jim Kellerman)
HBASE-840 More options on the row query in REST interface
(Sishen Freecity via Stack)
HBASE-874 deleting a table kills client rpc; no subsequent communication if
shell or thrift server, etc. (Jonathan Gray via Jim Kellerman)
HBASE-871 Major compaction periodicity should be specifyable at the column
family level, not cluster wide (Jonathan Gray via Stack)
HBASE-465 Fix javadoc for all public declarations
HBASE-882 The BatchUpdate class provides, put(col, cell) and delete(col)
but no get() (Ryan Smith via Stack and Jim Kellerman)
NEW FEATURES
HBASE-787 Postgresql to HBase table replication example (Tim Sell via Stack)
HBASE-798 Provide Client API to explicitly lock and unlock rows (Jonathan
Gray via Jim Kellerman)
HBASE-798 Add missing classes: UnknownRowLockException and RowLock which
were present in previous versions of the patches for this issue,
but not in the version that was committed. Also fix a number of
compilation problems that were introduced by patch.
HBASE-669 MultiRegion transactions with Optimistic Concurrency Control
(Clint Morgan via Stack)
HBASE-842 Remove methods that have Text as a parameter and were deprecated
in 0.2.1 (Jean-Daniel Cryans via Jim Kellerman)
OPTIMIZATIONS
Release 0.2.0 - August 8, 2008.
INCOMPATIBLE CHANGES
HBASE-584 Names in the filter interface are confusing (Clint Morgan via
Jim Kellerman) (API change for filters)
HBASE-601 Just remove deprecated methods in HTable; 0.2 is not backward
compatible anyways
HBASE-82 Row keys should be array of bytes
HBASE-76 Purge servers of Text (Done as part of HBASE-82 commit).
HBASE-487 Replace hql w/ a hbase-friendly jirb or jython shell
Part 1: purge of hql and added raw jirb in its place.
HBASE-521 Improve client scanner interface
HBASE-288 Add in-memory caching of data. Required update of hadoop to
0.17.0-dev.2008-02-07_12-01-58. (Tom White via Stack)
HBASE-696 Make bloomfilter true/false and self-sizing
HBASE-720 clean up inconsistencies around deletes (Izaak Rubin via Stack)
HBASE-796 Deprecates Text methods from HTable
(Michael Gottesman via Stack)
BUG FIXES
HBASE-574 HBase does not load hadoop native libs (Rong-En Fan via Stack)
HBASE-598 Loggging, no .log file; all goes into .out
HBASE-622 Remove StaticTestEnvironment and put a log4j.properties in src/test
HBASE-624 Master will shut down if number of active region servers is zero
even if shutdown was not requested
HBASE-629 Split reports incorrect elapsed time
HBASE-623 Migration script for hbase-82
HBASE-630 Default hbase.rootdir is garbage
HBASE-589 Remove references to deprecated methods in Hadoop once
hadoop-0.17.0 is released
HBASE-638 Purge \r from src
HBASE-644 DroppedSnapshotException but RegionServer doesn't restart
HBASE-641 Improve master split logging
HBASE-642 Splitting log in a hostile environment -- bad hdfs -- we drop
write-ahead-log edits
HBASE-646 EOFException opening HStoreFile info file (spin on HBASE-645and 550)
HBASE-648 If mapfile index is empty, run repair
HBASE-640 TestMigrate failing on hudson
HBASE-651 Table.commit should throw NoSuchColumnFamilyException if column
family doesn't exist
HBASE-649 API polluted with default and protected access data members and methods
HBASE-650 Add String versions of get, scanner, put in HTable
HBASE-656 Do not retry exceptions such as unknown scanner or illegal argument
HBASE-659 HLog#cacheFlushLock not cleared; hangs a region
HBASE-663 Incorrect sequence number for cache flush
HBASE-655 Need programmatic way to add column family: need programmatic way
to enable/disable table
HBASE-654 API HTable.getMetadata().addFamily shouldn't be exposed to user
HBASE-666 UnmodifyableHRegionInfo gives the wrong encoded name
HBASE-668 HBASE-533 broke build
HBASE-670 Historian deadlocks if regionserver is at global memory boundary
and is hosting .META.
HBASE-665 Server side scanner doesn't honor stop row
HBASE-662 UI in table.jsp gives META locations, not the table's regions
location (Jean-Daniel Cryans via Stack)
HBASE-676 Bytes.getInt returns a long (Clint Morgan via Stack)
HBASE-680 Config parameter hbase.io.index.interval should be
hbase.index.interval, according to HBaseMapFile.HbaseWriter
(LN via Stack)
HBASE-682 Unnecessary iteration in HMemcache.internalGet? got much better
reading performance after break it (LN via Stack)
HBASE-686 MemcacheScanner didn't return the first row(if it exists),
because HScannerInterface's output incorrect (LN via Jim Kellerman)
HBASE-691 get* and getScanner are different in how they treat column parameter
HBASE-694 HStore.rowAtOrBeforeFromMapFile() fails to locate the row if # of mapfiles >= 2
(Rong-En Fan via Bryan)
HBASE-652 dropping table fails silently if table isn't disabled
HBASE-683 can not get svn revision # at build time if locale is not english
(Rong-En Fan via Stack)
HBASE-699 Fix TestMigrate up on Hudson
HBASE-615 Region balancer oscillates during cluster startup
HBASE-613 Timestamp-anchored scanning fails to find all records
HBASE-681 NPE in Memcache
HBASE-701 Showing bytes in log when should be String
HBASE-702 deleteall doesn't
HBASE-704 update new shell docs and commands on help menu
HBASE-709 Deadlock while rolling WAL-log while finishing flush
HBASE-710 If clocks are way off, then we can have daughter split come
before rather than after its parent in .META.
HBASE-714 Showing bytes in log when should be string (2)
HBASE-627 Disable table doesn't work reliably
HBASE-716 TestGet2.testGetClosestBefore fails with hadoop-0.17.1
HBASE-715 Base HBase 0.2 on Hadoop 0.17.1
HBASE-718 hbase shell help info
HBASE-717 alter table broke with new shell returns InvalidColumnNameException
HBASE-573 HBase does not read hadoop-*.xml for dfs configuration after
moving out hadoop/contrib
HBASE-11 Unexpected exits corrupt DFS
HBASE-12 When hbase regionserver restarts, it says "impossible state for
createLease()"
HBASE-575 master dies with stack overflow error if rootdir isn't qualified
HBASE-582 HBase 554 forgot to clear results on each iteration caused by a filter
(Clint Morgan via Stack)
HBASE-532 Odd interaction between HRegion.get, HRegion.deleteAll and compactions
HBASE-10 HRegionServer hangs upon exit due to DFSClient Exception
HBASE-595 RowFilterInterface.rowProcessed() is called *before* fhe final
filtering decision is made (Clint Morgan via Stack)
HBASE-586 HRegion runs HStore memcache snapshotting -- fix it so only HStore
knows about workings of memcache
HBASE-588 Still a 'hole' in scanners, even after HBASE-532
HBASE-604 Don't allow CLASSPATH from environment pollute the hbase CLASSPATH
HBASE-608 HRegionServer::getThisIP() checks hadoop config var for dns interface name
(Jim R. Wilson via Stack)
HBASE-609 Master doesn't see regionserver edits because of clock skew
HBASE-607 MultiRegionTable.makeMultiRegionTable is not deterministic enough
for regression tests
HBASE-405 TIF and TOF use log4j directly rather than apache commons-logging
HBASE-618 We always compact if 2 files, regardless of the compaction threshold setting
HBASE-619 Fix 'logs' link in UI
HBASE-478 offlining of table does not run reliably
HBASE-453 undeclared throwable exception from HTable.get
HBASE-620 testmergetool failing in branch and trunk since hbase-618 went in
HBASE-550 EOF trying to read reconstruction log stops region deployment
HBASE-551 Master stuck splitting server logs in shutdown loop; on each
iteration, edits are aggregated up into the millions
HBASE-505 Region assignments should never time out so long as the region
server reports that it is processing the open request
HBASE-561 HBase package does not include LICENSE.txt nor build.xml
HBASE-563 TestRowFilterAfterWrite erroneously sets master address to
0.0.0.0:60100 rather than relying on conf
HBASE-507 Use Callable pattern to sleep between retries
HBASE-564 Don't do a cache flush if there are zero entries in the cache.
HBASE-554 filters generate StackOverflowException
HBASE-567 Reused BatchUpdate instances accumulate BatchOperations
HBASE-577 NPE getting scanner
HBASE-19 CountingBloomFilter can overflow its storage
(Stu Hood and Bryan Duxbury via Stack)
HBASE-28 thrift put/mutateRow methods need to throw IllegalArgument
exceptions (Dave Simpson via Bryan Duxbury via Stack)
HBASE-2 hlog numbers should wrap around when they reach 999
(Bryan Duxbury via Stack)
HBASE-421 TestRegionServerExit broken
HBASE-426 hbase can't find remote filesystem
HBASE-437 Clear Command should use system.out (Edward Yoon via Stack)
HBASE-434, HBASE-435 TestTableIndex and TestTableMapReduce failed in Hudson builds
HBASE-446 Fully qualified hbase.rootdir doesn't work
HBASE-438 XMLOutputter state should be initialized. (Edward Yoon via Stack)
HBASE-8 Delete table does not remove the table directory in the FS
HBASE-428 Under continuous upload of rows, WrongRegionExceptions are thrown
that reach the client even after retries
HBASE-460 TestMigrate broken when HBase moved to subproject
HBASE-462 Update migration tool
HBASE-473 When a table is deleted, master sends multiple close messages to
the region server
HBASE-490 Doubly-assigned .META.; master uses one and clients another
HBASE-492 hbase TRUNK does not build against hadoop TRUNK
HBASE-496 impossible state for createLease writes 400k lines in about 15mins
HBASE-472 Passing on edits, we dump all to log
HBASE-495 No server address listed in .META.
HBASE-433 HBASE-251 Region server should delete restore log after successful
restore, Stuck replaying the edits of crashed machine.
HBASE-27 hregioninfo cell empty in meta table
HBASE-501 Empty region server address in info:server entry and a
startcode of -1 in .META.
HBASE-516 HStoreFile.finalKey does not update the final key if it is not
the top region of a split region
HBASE-525 HTable.getRow(Text) does not work (Clint Morgan via Bryan Duxbury)
HBASE-524 Problems with getFull
HBASE-528 table 'does not exist' when it does
HBASE-531 Merge tool won't merge two overlapping regions (port HBASE-483 to
trunk)
HBASE-537 Wait for hdfs to exit safe mode
HBASE-476 RegexpRowFilter behaves incorectly when there are multiple store
files (Clint Morgan via Jim Kellerman)
HBASE-527 RegexpRowFilter does not work when there are columns from
multiple families (Clint Morgan via Jim Kellerman)
HBASE-534 Double-assignment at SPLIT-time
HBASE-712 midKey found compacting is the first, not necessarily the optimal
HBASE-719 Find out why users have network problems in HBase and not in Hadoop
and HConnectionManager (Jean-Daniel Cryans via Stack)
HBASE-703 Invalid regions listed by regionserver.jsp (Izaak Rubin via Stack)
HBASE-674 Memcache size unreliable
HBASE-726 Unit tests won't run because of a typo (Sebastien Rainville via Stack)
HBASE-727 Client caught in an infinite loop when trying to connect to cached
server locations (Izaak Rubin via Stack)
HBASE-732 shell formatting error with the describe command
(Izaak Rubin via Stack)
HBASE-731 delete, deletefc in HBase shell do not work correctly
(Izaak Rubin via Stack)
HBASE-734 scan '.META.', {LIMIT => 10} crashes (Izaak Rubin via Stack)
HBASE-736 Should have HTable.deleteAll(String row) and HTable.deleteAll(Text row)
(Jean-Daniel Cryans via Stack)
HBASE-740 ThriftServer getting table names incorrectly (Tim Sell via Stack)
HBASE-742 Rename getMetainfo in HTable as getTableDescriptor
HBASE-739 HBaseAdmin.createTable() using old HTableDescription doesn't work
(Izaak Rubin via Stack)
HBASE-744 BloomFilter serialization/deserialization broken
HBASE-742 Column length limit is not enforced (Jean-Daniel Cryans via Stack)
HBASE-737 Scanner: every cell in a row has the same timestamp
HBASE-700 hbase.io.index.interval need be configuratable in column family
(Andrew Purtell via Stack)
HBASE-62 Allow user add arbitrary key/value pairs to table and column
descriptors (Andrew Purtell via Stack)
HBASE-34 Set memcache flush size per column (Andrew Purtell via Stack)
HBASE-42 Set region split size on table creation (Andrew Purtell via Stack)
HBASE-43 Add a read-only attribute to columns (Andrew Purtell via Stack)
HBASE-424 Should be able to enable/disable .META. table
HBASE-679 Regionserver addresses are still not right in the new tables page
HBASE-758 Throwing IOE read-only when should be throwing NSRE
HBASE-743 bin/hbase migrate upgrade fails when redo logs exists
HBASE-754 The JRuby shell documentation is wrong in "get" and "put"
(Jean-Daniel Cryans via Stack)
HBASE-756 In HBase shell, the put command doesn't process the timestamp
(Jean-Daniel Cryans via Stack)
HBASE-757 REST mangles table names (Sishen via Stack)
HBASE-706 On OOME, regionserver sticks around and doesn't go down with cluster
(Jean-Daniel Cryans via Stack)
HBASE-759 TestMetaUtils failing on hudson
HBASE-761 IOE: Stream closed exception all over logs
HBASE-763 ClassCastException from RowResult.get(String)
(Andrew Purtell via Stack)
HBASE-764 The name of column request has padding zero using REST interface
(Sishen Freecity via Stack)
HBASE-750 NPE caused by StoreFileScanner.updateReaders
HBASE-769 TestMasterAdmin fails throwing RegionOfflineException when we're
expecting IllegalStateException
HBASE-766 FileNotFoundException trying to load HStoreFile 'data'
HBASE-770 Update HBaseRPC to match hadoop 0.17 RPC
HBASE-780 Can't scan '.META.' from new shell
HBASE-424 Should be able to enable/disable .META. table
HBASE-771 Names legal in 0.1 are not in 0.2; breaks migration
HBASE-788 Div by zero in Master.jsp (Clint Morgan via Jim Kellerman)
HBASE-791 RowCount doesn't work (Jean-Daniel Cryans via Stack)
HBASE-751 dfs exception and regionserver stuck during heavy write load
HBASE-793 HTable.getStartKeys() ignores table names when matching columns
(Andrew Purtell and Dru Jensen via Stack)
HBASE-790 During import, single region blocks requests for >10 minutes,
thread dumps, throws out pending requests, and continues
(Jonathan Gray via Stack)
IMPROVEMENTS
HBASE-559 MR example job to count table rows
HBASE-596 DemoClient.py (Ivan Begtin via Stack)
HBASE-581 Allow adding filters to TableInputFormat (At same time, ensure TIF
is subclassable) (David Alves via Stack)
HBASE-603 When an exception bubbles out of getRegionServerWithRetries, wrap
the exception with a RetriesExhaustedException
HBASE-600 Filters have excessive DEBUG logging
HBASE-611 regionserver should do basic health check before reporting
alls-well to the master
HBASE-614 Retiring regions is not used; exploit or remove
HBASE-538 Improve exceptions that come out on client-side
HBASE-569 DemoClient.php (Jim R. Wilson via Stack)
HBASE-522 Where new Text(string) might be used in client side method calls,
add an overload that takes String (Done as part of HBASE-82)
HBASE-570 Remove HQL unit test (Done as part of HBASE-82 commit).
HBASE-626 Use Visitor pattern in MetaRegion to reduce code clones in HTable
and HConnectionManager (Jean-Daniel Cryans via Stack)
HBASE-621 Make MAX_VERSIONS work like TTL: In scans and gets, check
MAX_VERSIONs setting and return that many only rather than wait on
compaction (Jean-Daniel Cryans via Stack)
HBASE-504 Allow HMsg's carry a payload: e.g. exception that happened over
on the remote side.
HBASE-583 RangeRowFilter/ColumnValueFilter to allow choice of rows based on
a (lexicographic) comparison to column's values
(Clint Morgan via Stack)
HBASE-579 Add hadoop 0.17.x
HBASE-660 [Migration] addColumn/deleteColumn functionality in MetaUtils
HBASE-632 HTable.getMetadata is very inefficient
HBASE-671 New UI page displaying all regions in a table should be sorted
HBASE-672 Sort regions in the regionserver UI
HBASE-677 Make HTable, HRegion, HRegionServer, HStore, and HColumnDescriptor
subclassable (Clint Morgan via Stack)
HBASE-682 Regularize toString
HBASE-672 Sort regions in the regionserver UI
HBASE-469 Streamline HStore startup and compactions
HBASE-544 Purge startUpdate from internal code and test cases
HBASE-557 HTable.getRow() should receive RowResult objects
HBASE-452 "region offline" should throw IOException, not IllegalStateException
HBASE-541 Update hadoop jars.
HBASE-523 package-level javadoc should have example client
HBASE-415 Rewrite leases to use DelayedBlockingQueue instead of polling
HBASE-35 Make BatchUpdate public in the API
HBASE-409 Add build path to svn:ignore list (Edward Yoon via Stack)
HBASE-408 Add .classpath and .project to svn:ignore list
(Edward Yoon via Stack)
HBASE-410 Speed up the test suite (make test timeout 5 instead of 15 mins).
HBASE-281 Shell should allow deletions in .META. and -ROOT- tables
(Edward Yoon & Bryan Duxbury via Stack)
HBASE-56 Unnecessary HQLClient Object creation in a shell loop
(Edward Yoon via Stack)
HBASE-3 rest server: configure number of threads for jetty
(Bryan Duxbury via Stack)
HBASE-416 Add apache-style logging to REST server and add setting log
level, etc.
HBASE-406 Remove HTable and HConnection close methods
(Bryan Duxbury via Stack)
HBASE-418 Move HMaster and related classes into master package
(Bryan Duxbury via Stack)
HBASE-410 Speed up the test suite - Apparently test timeout was too
aggressive for Hudson. TestLogRolling timed out even though it
was operating properly. Change test timeout to 10 minutes.
HBASE-436 website: http://hadoop.apache.org/hbase
HBASE-417 Factor TableOperation and subclasses into separate files from
HMaster (Bryan Duxbury via Stack)
HBASE-440 Add optional log roll interval so that log files are garbage
collected
HBASE-407 Keep HRegionLocation information in LRU structure
HBASE-444 hbase is very slow at determining table is not present
HBASE-438 XMLOutputter state should be initialized.
HBASE-414 Move client classes into client package
HBASE-79 When HBase needs to be migrated, it should display a message on
stdout, not just in the logs
HBASE-461 Simplify leases.
HBASE-419 Move RegionServer and related classes into regionserver package
HBASE-457 Factor Master into Master, RegionManager, and ServerManager
HBASE-464 HBASE-419 introduced javadoc errors
HBASE-468 Move HStoreKey back to o.a.h.h
HBASE-442 Move internal classes out of HRegionServer
HBASE-466 Move HMasterInterface, HRegionInterface, and
HMasterRegionInterface into o.a.h.h.ipc
HBASE-479 Speed up TestLogRolling
HBASE-480 Tool to manually merge two regions
HBASE-477 Add support for an HBASE_CLASSPATH
HBASE-443 Move internal classes out of HStore
HBASE-515 At least double default timeouts between regionserver and master
HBASE-529 RegionServer needs to recover if datanode goes down
HBASE-456 Clearly state which ports need to be opened in order to run HBase
HBASE-536 Remove MiniDFS startup from MiniHBaseCluster
HBASE-521 Improve client scanner interface
HBASE-562 Move Exceptions to subpackages (Jean-Daniel Cryans via Stack)
HBASE-631 HTable.getRow() for only a column family
(Jean-Daniel Cryans via Stack)
HBASE-731 Add a meta refresh tag to the Web ui for master and region server
(Jean-Daniel Cryans via Stack)
HBASE-735 hbase shell doesn't trap CTRL-C signal (Jean-Daniel Cryans via Stack)
HBASE-730 On startup, rinse STARTCODE and SERVER from .META.
(Jean-Daniel Cryans via Stack)
HBASE-738 overview.html in need of updating (Izaak Rubin via Stack)
HBASE-745 scaling of one regionserver, improving memory and cpu usage (partial)
(LN via Stack)
HBASE-746 Batching row mutations via thrift (Tim Sell via Stack)
HBASE-772 Up default lease period from 60 to 120 seconds
HBASE-779 Test changing hbase.hregion.memcache.block.multiplier to 2
HBASE-783 For single row, single family retrieval, getRow() works half
as fast as getScanner().next() (Jean-Daniel Cryans via Stack)
HBASE-789 add clover coverage report targets (Rong-en Fan via Stack)
NEW FEATURES
HBASE-47 Option to set TTL for columns in hbase
(Andrew Purtell via Bryan Duxbury and Stack)
HBASE-23 UI listing regions should be sorted by address and show additional
region state (Jean-Daniel Cryans via Stack)
HBASE-639 Add HBaseAdmin.getTableDescriptor function
HBASE-533 Region Historian
HBASE-487 Replace hql w/ a hbase-friendly jirb or jython shell
HBASE-548 Tool to online single region
HBASE-71 Master should rebalance region assignments periodically
HBASE-512 Add configuration for global aggregate memcache size
HBASE-40 Add a method of getting multiple (but not all) cells for a row
at once
HBASE-506 When an exception has to escape ServerCallable due to exhausted
retries, show all the exceptions that lead to this situation
HBASE-747 Add a simple way to do batch updates of many rows (Jean-Daniel
Cryans via JimK)
HBASE-733 Enhance Cell so that it can contain multiple values at multiple
timestamps
HBASE-511 Do exponential backoff in clients on NSRE, WRE, ISE, etc.
(Andrew Purtell via Jim Kellerman)
OPTIMIZATIONS
HBASE-430 Performance: Scanners and getRow return maps with duplicate data
Release 0.1.3 - 07/25/2008
BUG FIXES
HBASE-644 DroppedSnapshotException but RegionServer doesn't restart
HBASE-645 EOFException opening region (HBASE-550 redux)
HBASE-641 Improve master split logging
HBASE-642 Splitting log in a hostile environment -- bad hdfs -- we drop
write-ahead-log edits
HBASE-646 EOFException opening HStoreFile info file (spin on HBASE-645 and 550)
HBASE-648 If mapfile index is empty, run repair
HBASE-659 HLog#cacheFlushLock not cleared; hangs a region
HBASE-663 Incorrect sequence number for cache flush
HBASE-652 Dropping table fails silently if table isn't disabled
HBASE-674 Memcache size unreliable
HBASE-665 server side scanner doesn't honor stop row
HBASE-681 NPE in Memcache (Clint Morgan via Jim Kellerman)
HBASE-680 config parameter hbase.io.index.interval should be
hbase.index.interval, accroding to HBaseMapFile.HbaseWriter
(LN via Stack)
HBASE-684 unnecessary iteration in HMemcache.internalGet? got much better
reading performance after break it (LN via Stack)
HBASE-686 MemcacheScanner didn't return the first row(if it exists),
because HScannerInterface's output incorrect (LN via Jim Kellerman)
HBASE-613 Timestamp-anchored scanning fails to find all records
HBASE-709 Deadlock while rolling WAL-log while finishing flush
HBASE-707 High-load import of data into single table/family never triggers split
HBASE-710 If clocks are way off, then we can have daughter split come
before rather than after its parent in .META.
Release 0.1.2 - 05/13/2008
BUG FIXES
HBASE-577 NPE getting scanner
HBASE-574 HBase does not load hadoop native libs (Rong-En Fan via Stack).
HBASE-11 Unexpected exits corrupt DFS - best we can do until we have at
least a subset of HADOOP-1700
HBASE-573 HBase does not read hadoop-*.xml for dfs configuration after
moving out hadoop/contrib
HBASE-12 when hbase regionserver restarts, it says "impossible state for
createLease()"
HBASE-575 master dies with stack overflow error if rootdir isn't qualified
HBASE-500 Regionserver stuck on exit
HBASE-582 HBase 554 forgot to clear results on each iteration caused by a filter
(Clint Morgan via Stack)
HBASE-532 Odd interaction between HRegion.get, HRegion.deleteAll and compactions
HBASE-590 HBase migration tool does not get correct FileSystem or root
directory if configuration is not correct
HBASE-595 RowFilterInterface.rowProcessed() is called *before* fhe final
filtering decision is made (Clint Morgan via Stack)
HBASE-586 HRegion runs HStore memcache snapshotting -- fix it so only HStore
knows about workings of memcache
HBASE-572 Backport HBASE-512 to 0.1 branch
HBASE-588 Still a 'hole' in scanners, even after HBASE-532
HBASE-604 Don't allow CLASSPATH from environment pollute the hbase CLASSPATH
HBASE-608 HRegionServer::getThisIP() checks hadoop config var for dns interface name
(Jim R. Wilson via Stack)
HBASE-609 Master doesn't see regionserver edits because of clock skew
HBASE-607 MultiRegionTable.makeMultiRegionTable is not deterministic enough
for regression tests
HBASE-478 offlining of table does not run reliably
HBASE-618 We always compact if 2 files, regardless of the compaction threshold setting
HBASE-619 Fix 'logs' link in UI
HBASE-620 testmergetool failing in branch and trunk since hbase-618 went in
IMPROVEMENTS
HBASE-559 MR example job to count table rows
HBASE-578 Upgrade branch to 0.16.3 hadoop.
HBASE-596 DemoClient.py (Ivan Begtin via Stack)
Release 0.1.1 - 04/11/2008
BUG FIXES
HBASE-550 EOF trying to read reconstruction log stops region deployment
HBASE-551 Master stuck splitting server logs in shutdown loop; on each
iteration, edits are aggregated up into the millions
HBASE-505 Region assignments should never time out so long as the region
server reports that it is processing the open request
HBASE-552 Fix bloom filter bugs (Andrzej Bialecki via Jim Kellerman)
HBASE-507 Add sleep between retries
HBASE-555 Only one Worker in HRS; on startup, if assigned tens of regions,
havoc of reassignments because open processing is done in series
HBASE-547 UI shows hadoop version, not hbase version
HBASE-561 HBase package does not include LICENSE.txt nor build.xml
HBASE-556 Add 0.16.2 to hbase branch -- if it works
HBASE-563 TestRowFilterAfterWrite erroneously sets master address to
0.0.0.0:60100 rather than relying on conf
HBASE-554 filters generate StackOverflowException (Clint Morgan via
Jim Kellerman)
HBASE-567 Reused BatchUpdate instances accumulate BatchOperations
NEW FEATURES
HBASE-548 Tool to online single region
Release 0.1.0
INCOMPATIBLE CHANGES
HADOOP-2750 Deprecated methods startBatchUpdate, commitBatch, abortBatch,
and renewLease have been removed from HTable (Bryan Duxbury via
Jim Kellerman)
HADOOP-2786 Move hbase out of hadoop core
HBASE-403 Fix build after move of hbase in svn
HBASE-494 Up IPC version on 0.1 branch so we cannot mistakenly connect
with a hbase from 0.16.0
NEW FEATURES
HBASE-506 When an exception has to escape ServerCallable due to exhausted retries,
show all the exceptions that lead to this situation
OPTIMIZATIONS
BUG FIXES
HADOOP-2731 Under load, regions become extremely large and eventually cause
region servers to become unresponsive
HADOOP-2693 NPE in getClosestRowBefore (Bryan Duxbury & Stack)
HADOOP-2599 Some minor improvements to changes in HADOOP-2443