-
Notifications
You must be signed in to change notification settings - Fork 3.6k
/
SystemKeyspace.java
1929 lines (1732 loc) · 86.2 KB
/
SystemKeyspace.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cassandra.db;
import java.io.IOError;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;
import javax.management.openmbean.OpenDataException;
import javax.management.openmbean.TabularData;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.common.collect.SetMultimap;
import com.google.common.collect.Sets;
import com.google.common.io.ByteStreams;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.cql3.QueryProcessor;
import org.apache.cassandra.cql3.UntypedResultSet;
import org.apache.cassandra.cql3.statements.schema.CreateTableStatement;
import org.apache.cassandra.db.commitlog.CommitLog;
import org.apache.cassandra.db.commitlog.CommitLogPosition;
import org.apache.cassandra.db.compaction.CompactionHistoryTabularData;
import org.apache.cassandra.db.marshal.ByteBufferAccessor;
import org.apache.cassandra.db.marshal.BytesType;
import org.apache.cassandra.db.marshal.LongType;
import org.apache.cassandra.db.marshal.TimeUUIDType;
import org.apache.cassandra.db.marshal.TupleType;
import org.apache.cassandra.db.marshal.UTF8Type;
import org.apache.cassandra.db.marshal.UUIDType;
import org.apache.cassandra.db.partitions.PartitionUpdate;
import org.apache.cassandra.db.rows.Row;
import org.apache.cassandra.db.rows.Rows;
import org.apache.cassandra.dht.IPartitioner;
import org.apache.cassandra.dht.LocalPartitioner;
import org.apache.cassandra.dht.Range;
import org.apache.cassandra.dht.Token;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.io.sstable.SSTableId;
import org.apache.cassandra.io.sstable.SequenceBasedSSTableId;
import org.apache.cassandra.io.util.DataInputBuffer;
import org.apache.cassandra.io.util.DataOutputBuffer;
import org.apache.cassandra.io.util.File;
import org.apache.cassandra.io.util.RebufferingInputStream;
import org.apache.cassandra.locator.IEndpointSnitch;
import org.apache.cassandra.locator.InetAddressAndPort;
import org.apache.cassandra.metrics.RestorableMeter;
import org.apache.cassandra.metrics.TopPartitionTracker;
import org.apache.cassandra.net.MessagingService;
import org.apache.cassandra.schema.CompactionParams;
import org.apache.cassandra.schema.KeyspaceMetadata;
import org.apache.cassandra.schema.KeyspaceParams;
import org.apache.cassandra.schema.Schema;
import org.apache.cassandra.schema.SchemaConstants;
import org.apache.cassandra.schema.TableId;
import org.apache.cassandra.schema.TableMetadata;
import org.apache.cassandra.schema.Tables;
import org.apache.cassandra.schema.Types;
import org.apache.cassandra.schema.UserFunctions;
import org.apache.cassandra.schema.Views;
import org.apache.cassandra.service.StorageService;
import org.apache.cassandra.service.paxos.Ballot;
import org.apache.cassandra.service.paxos.Commit;
import org.apache.cassandra.service.paxos.Commit.Accepted;
import org.apache.cassandra.service.paxos.Commit.AcceptedWithTTL;
import org.apache.cassandra.service.paxos.Commit.Committed;
import org.apache.cassandra.service.paxos.PaxosRepairHistory;
import org.apache.cassandra.service.paxos.PaxosState;
import org.apache.cassandra.service.paxos.uncommitted.PaxosRows;
import org.apache.cassandra.service.paxos.uncommitted.PaxosUncommittedIndex;
import org.apache.cassandra.streaming.StreamOperation;
import org.apache.cassandra.transport.ProtocolVersion;
import org.apache.cassandra.utils.ByteBufferUtil;
import org.apache.cassandra.utils.CassandraVersion;
import org.apache.cassandra.utils.FBUtilities;
import org.apache.cassandra.utils.MD5Digest;
import org.apache.cassandra.utils.Pair;
import org.apache.cassandra.utils.TimeUUID;
import org.apache.cassandra.utils.concurrent.Future;
import static java.lang.String.format;
import static java.util.Collections.emptyMap;
import static java.util.Collections.singletonMap;
import static org.apache.cassandra.config.Config.PaxosStatePurging.legacy;
import static org.apache.cassandra.config.DatabaseDescriptor.paxosStatePurging;
import static org.apache.cassandra.cql3.QueryProcessor.executeInternal;
import static org.apache.cassandra.cql3.QueryProcessor.executeInternalWithNowInSec;
import static org.apache.cassandra.cql3.QueryProcessor.executeOnceInternal;
import static org.apache.cassandra.service.paxos.Commit.latest;
import static org.apache.cassandra.utils.CassandraVersion.NULL_VERSION;
import static org.apache.cassandra.utils.CassandraVersion.UNREADABLE_VERSION;
import static org.apache.cassandra.utils.Clock.Global.currentTimeMillis;
import static org.apache.cassandra.utils.FBUtilities.now;
public final class SystemKeyspace
{
private SystemKeyspace()
{
}
private static final Logger logger = LoggerFactory.getLogger(SystemKeyspace.class);
public static final CassandraVersion CURRENT_VERSION = new CassandraVersion(FBUtilities.getReleaseVersionString());
public static final String BATCHES = "batches";
public static final String PAXOS = "paxos";
public static final String PAXOS_REPAIR_HISTORY = "paxos_repair_history";
public static final String PAXOS_REPAIR_STATE = "_paxos_repair_state";
public static final String BUILT_INDEXES = "IndexInfo";
public static final String LOCAL = "local";
public static final String PEERS_V2 = "peers_v2";
public static final String PEER_EVENTS_V2 = "peer_events_v2";
public static final String COMPACTION_HISTORY = "compaction_history";
public static final String SSTABLE_ACTIVITY_V2 = "sstable_activity_v2"; // v2 has modified generation column type (v1 - int, v2 - blob), see CASSANDRA-17048
public static final String TABLE_ESTIMATES = "table_estimates";
public static final String TABLE_ESTIMATES_TYPE_PRIMARY = "primary";
public static final String TABLE_ESTIMATES_TYPE_LOCAL_PRIMARY = "local_primary";
public static final String AVAILABLE_RANGES_V2 = "available_ranges_v2";
public static final String TRANSFERRED_RANGES_V2 = "transferred_ranges_v2";
public static final String VIEW_BUILDS_IN_PROGRESS = "view_builds_in_progress";
public static final String BUILT_VIEWS = "built_views";
public static final String PREPARED_STATEMENTS = "prepared_statements";
public static final String REPAIRS = "repairs";
public static final String TOP_PARTITIONS = "top_partitions";
/**
* By default the system keyspace tables should be stored in a single data directory to allow the server
* to handle more gracefully disk failures. Some tables through can be split accross multiple directories
* as the server can continue operating even if those tables lost some data.
*/
public static final Set<String> TABLES_SPLIT_ACROSS_MULTIPLE_DISKS = ImmutableSet.of(BATCHES,
PAXOS,
COMPACTION_HISTORY,
PREPARED_STATEMENTS,
REPAIRS);
@Deprecated public static final String LEGACY_PEERS = "peers";
@Deprecated public static final String LEGACY_PEER_EVENTS = "peer_events";
@Deprecated public static final String LEGACY_TRANSFERRED_RANGES = "transferred_ranges";
@Deprecated public static final String LEGACY_AVAILABLE_RANGES = "available_ranges";
@Deprecated public static final String LEGACY_SIZE_ESTIMATES = "size_estimates";
@Deprecated public static final String LEGACY_SSTABLE_ACTIVITY = "sstable_activity";
// Names of all tables that could have been a part of a system keyspace. Useful for pre-flight checks.
// For details, see CASSANDRA-17777
public static final Set<String> ALL_TABLE_NAMES = ImmutableSet.of(
BATCHES, PAXOS, PAXOS_REPAIR_HISTORY, PAXOS_REPAIR_STATE, BUILT_INDEXES, LOCAL, PEERS_V2, PEER_EVENTS_V2,
COMPACTION_HISTORY, SSTABLE_ACTIVITY_V2, TABLE_ESTIMATES, TABLE_ESTIMATES_TYPE_PRIMARY,
TABLE_ESTIMATES_TYPE_LOCAL_PRIMARY, AVAILABLE_RANGES_V2, TRANSFERRED_RANGES_V2, VIEW_BUILDS_IN_PROGRESS,
BUILT_VIEWS, PREPARED_STATEMENTS, REPAIRS, TOP_PARTITIONS, LEGACY_PEERS, LEGACY_PEER_EVENTS,
LEGACY_TRANSFERRED_RANGES, LEGACY_AVAILABLE_RANGES, LEGACY_SIZE_ESTIMATES, LEGACY_SSTABLE_ACTIVITY);
public static final Set<String> TABLE_NAMES = ImmutableSet.of(
BATCHES, PAXOS, PAXOS_REPAIR_HISTORY, BUILT_INDEXES, LOCAL, PEERS_V2, PEER_EVENTS_V2,
COMPACTION_HISTORY, SSTABLE_ACTIVITY_V2, TABLE_ESTIMATES, AVAILABLE_RANGES_V2, TRANSFERRED_RANGES_V2, VIEW_BUILDS_IN_PROGRESS,
BUILT_VIEWS, PREPARED_STATEMENTS, REPAIRS, TOP_PARTITIONS, LEGACY_PEERS, LEGACY_PEER_EVENTS,
LEGACY_TRANSFERRED_RANGES, LEGACY_AVAILABLE_RANGES, LEGACY_SIZE_ESTIMATES, LEGACY_SSTABLE_ACTIVITY);
public static final TableMetadata Batches =
parse(BATCHES,
"batches awaiting replay",
"CREATE TABLE %s ("
+ "id timeuuid,"
+ "mutations list<blob>,"
+ "version int,"
+ "PRIMARY KEY ((id)))")
.partitioner(new LocalPartitioner(TimeUUIDType.instance))
.compaction(CompactionParams.stcs(singletonMap("min_threshold", "2")))
.build();
private static final TableMetadata Paxos =
parse(PAXOS,
"in-progress paxos proposals",
"CREATE TABLE %s ("
+ "row_key blob,"
+ "cf_id UUID,"
+ "in_progress_ballot timeuuid,"
+ "in_progress_read_ballot timeuuid,"
+ "most_recent_commit blob,"
+ "most_recent_commit_at timeuuid,"
+ "most_recent_commit_version int,"
+ "proposal blob,"
+ "proposal_ballot timeuuid,"
+ "proposal_version int,"
+ "PRIMARY KEY ((row_key), cf_id))")
.compaction(CompactionParams.lcs(emptyMap()))
.indexes(PaxosUncommittedIndex.indexes())
.build();
private static final TableMetadata BuiltIndexes =
parse(BUILT_INDEXES,
"built column indexes",
"CREATE TABLE \"%s\" ("
+ "table_name text," // table_name here is the name of the keyspace - don't be fooled
+ "index_name text,"
+ "value blob," // Table used to be compact in previous versions
+ "PRIMARY KEY ((table_name), index_name)) ")
.build();
private static final TableMetadata PaxosRepairHistoryTable =
parse(PAXOS_REPAIR_HISTORY,
"paxos repair history",
"CREATE TABLE %s ("
+ "keyspace_name text,"
+ "table_name text,"
+ "points frozen<list<tuple<blob, timeuuid>>>, "
+ "PRIMARY KEY (keyspace_name, table_name))"
+ "WITH COMMENT='Last successful paxos repairs by range'")
.build();
private static final TableMetadata Local =
parse(LOCAL,
"information about the local node",
"CREATE TABLE %s ("
+ "key text,"
+ "bootstrapped text,"
+ "broadcast_address inet,"
+ "broadcast_port int,"
+ "cluster_name text,"
+ "cql_version text,"
+ "data_center text,"
+ "gossip_generation int,"
+ "host_id uuid,"
+ "listen_address inet,"
+ "listen_port int,"
+ "native_protocol_version text,"
+ "partitioner text,"
+ "rack text,"
+ "release_version text,"
+ "rpc_address inet,"
+ "rpc_port int,"
+ "schema_version uuid,"
+ "tokens set<varchar>,"
+ "truncated_at map<uuid, blob>,"
+ "PRIMARY KEY ((key)))"
).recordDeprecatedSystemColumn("thrift_version", UTF8Type.instance)
.build();
private static final TableMetadata PeersV2 =
parse(PEERS_V2,
"information about known peers in the cluster",
"CREATE TABLE %s ("
+ "peer inet,"
+ "peer_port int,"
+ "data_center text,"
+ "host_id uuid,"
+ "preferred_ip inet,"
+ "preferred_port int,"
+ "rack text,"
+ "release_version text,"
+ "native_address inet,"
+ "native_port int,"
+ "schema_version uuid,"
+ "tokens set<varchar>,"
+ "PRIMARY KEY ((peer), peer_port))")
.build();
private static final TableMetadata PeerEventsV2 =
parse(PEER_EVENTS_V2,
"events related to peers",
"CREATE TABLE %s ("
+ "peer inet,"
+ "peer_port int,"
+ "hints_dropped map<timeuuid, int>,"
+ "PRIMARY KEY ((peer), peer_port))")
.build();
private static final TableMetadata CompactionHistory =
parse(COMPACTION_HISTORY,
"week-long compaction history",
"CREATE TABLE %s ("
+ "id timeuuid,"
+ "bytes_in bigint,"
+ "bytes_out bigint,"
+ "columnfamily_name text,"
+ "compacted_at timestamp,"
+ "keyspace_name text,"
+ "rows_merged map<int, bigint>,"
+ "compaction_properties frozen<map<text, text>>,"
+ "PRIMARY KEY ((id)))")
.defaultTimeToLive((int) TimeUnit.DAYS.toSeconds(7))
.build();
private static final TableMetadata LegacySSTableActivity =
parse(LEGACY_SSTABLE_ACTIVITY,
"historic sstable read rates",
"CREATE TABLE %s ("
+ "keyspace_name text,"
+ "columnfamily_name text,"
+ "generation int,"
+ "rate_120m double,"
+ "rate_15m double,"
+ "PRIMARY KEY ((keyspace_name, columnfamily_name, generation)))")
.build();
private static final TableMetadata SSTableActivity =
parse(SSTABLE_ACTIVITY_V2,
"historic sstable read rates",
"CREATE TABLE %s ("
+ "keyspace_name text,"
+ "table_name text,"
+ "id text,"
+ "rate_120m double,"
+ "rate_15m double,"
+ "PRIMARY KEY ((keyspace_name, table_name, id)))")
.build();
@Deprecated
private static final TableMetadata LegacySizeEstimates =
parse(LEGACY_SIZE_ESTIMATES,
"per-table primary range size estimates, table is deprecated in favor of " + TABLE_ESTIMATES,
"CREATE TABLE %s ("
+ "keyspace_name text,"
+ "table_name text,"
+ "range_start text,"
+ "range_end text,"
+ "mean_partition_size bigint,"
+ "partitions_count bigint,"
+ "PRIMARY KEY ((keyspace_name), table_name, range_start, range_end))")
.build();
private static final TableMetadata TableEstimates =
parse(TABLE_ESTIMATES,
"per-table range size estimates",
"CREATE TABLE %s ("
+ "keyspace_name text,"
+ "table_name text,"
+ "range_type text,"
+ "range_start text,"
+ "range_end text,"
+ "mean_partition_size bigint,"
+ "partitions_count bigint,"
+ "PRIMARY KEY ((keyspace_name), table_name, range_type, range_start, range_end))")
.build();
private static final TableMetadata AvailableRangesV2 =
parse(AVAILABLE_RANGES_V2,
"available keyspace/ranges during bootstrap/replace that are ready to be served",
"CREATE TABLE %s ("
+ "keyspace_name text,"
+ "full_ranges set<blob>,"
+ "transient_ranges set<blob>,"
+ "PRIMARY KEY ((keyspace_name)))")
.build();
private static final TableMetadata TransferredRangesV2 =
parse(TRANSFERRED_RANGES_V2,
"record of transferred ranges for streaming operation",
"CREATE TABLE %s ("
+ "operation text,"
+ "peer inet,"
+ "peer_port int,"
+ "keyspace_name text,"
+ "ranges set<blob>,"
+ "PRIMARY KEY ((operation, keyspace_name), peer, peer_port))")
.build();
private static final TableMetadata ViewBuildsInProgress =
parse(VIEW_BUILDS_IN_PROGRESS,
"views builds current progress",
"CREATE TABLE %s ("
+ "keyspace_name text,"
+ "view_name text,"
+ "start_token varchar,"
+ "end_token varchar,"
+ "last_token varchar,"
+ "keys_built bigint,"
+ "PRIMARY KEY ((keyspace_name), view_name, start_token, end_token))")
.build();
private static final TableMetadata BuiltViews =
parse(BUILT_VIEWS,
"built views",
"CREATE TABLE %s ("
+ "keyspace_name text,"
+ "view_name text,"
+ "status_replicated boolean,"
+ "PRIMARY KEY ((keyspace_name), view_name))")
.build();
private static final TableMetadata TopPartitions =
parse(TOP_PARTITIONS,
"Stores the top partitions",
"CREATE TABLE %s ("
+ "keyspace_name text,"
+ "table_name text,"
+ "top_type text,"
+ "top frozen<list<tuple<text, bigint>>>,"
+ "last_update timestamp,"
+ "PRIMARY KEY (keyspace_name, table_name, top_type))")
.build();
private static final TableMetadata PreparedStatements =
parse(PREPARED_STATEMENTS,
"prepared statements",
"CREATE TABLE %s ("
+ "prepared_id blob,"
+ "logged_keyspace text,"
+ "query_string text,"
+ "PRIMARY KEY ((prepared_id)))")
.build();
private static final TableMetadata Repairs =
parse(REPAIRS,
"repairs",
"CREATE TABLE %s ("
+ "parent_id timeuuid, "
+ "started_at timestamp, "
+ "last_update timestamp, "
+ "repaired_at timestamp, "
+ "state int, "
+ "coordinator inet, "
+ "coordinator_port int,"
+ "participants set<inet>,"
+ "participants_wp set<text>,"
+ "ranges set<blob>, "
+ "cfids set<uuid>, "
+ "PRIMARY KEY (parent_id))").build();
@Deprecated
private static final TableMetadata LegacyPeers =
parse(LEGACY_PEERS,
"information about known peers in the cluster",
"CREATE TABLE %s ("
+ "peer inet,"
+ "data_center text,"
+ "host_id uuid,"
+ "preferred_ip inet,"
+ "rack text,"
+ "release_version text,"
+ "rpc_address inet,"
+ "schema_version uuid,"
+ "tokens set<varchar>,"
+ "PRIMARY KEY ((peer)))")
.build();
@Deprecated
private static final TableMetadata LegacyPeerEvents =
parse(LEGACY_PEER_EVENTS,
"events related to peers",
"CREATE TABLE %s ("
+ "peer inet,"
+ "hints_dropped map<timeuuid, int>,"
+ "PRIMARY KEY ((peer)))")
.build();
@Deprecated
private static final TableMetadata LegacyTransferredRanges =
parse(LEGACY_TRANSFERRED_RANGES,
"record of transferred ranges for streaming operation",
"CREATE TABLE %s ("
+ "operation text,"
+ "peer inet,"
+ "keyspace_name text,"
+ "ranges set<blob>,"
+ "PRIMARY KEY ((operation, keyspace_name), peer))")
.build();
@Deprecated
private static final TableMetadata LegacyAvailableRanges =
parse(LEGACY_AVAILABLE_RANGES,
"available keyspace/ranges during bootstrap/replace that are ready to be served",
"CREATE TABLE %s ("
+ "keyspace_name text,"
+ "ranges set<blob>,"
+ "PRIMARY KEY ((keyspace_name)))")
.build();
private static TableMetadata.Builder parse(String table, String description, String cql)
{
return CreateTableStatement.parse(format(cql, table), SchemaConstants.SYSTEM_KEYSPACE_NAME)
.id(TableId.forSystemTable(SchemaConstants.SYSTEM_KEYSPACE_NAME, table))
.gcGraceSeconds(0)
.memtableFlushPeriod((int) TimeUnit.HOURS.toMillis(1))
.comment(description);
}
public static KeyspaceMetadata metadata()
{
return KeyspaceMetadata.create(SchemaConstants.SYSTEM_KEYSPACE_NAME, KeyspaceParams.local(), tables(), Views.none(), Types.none(), UserFunctions.none());
}
private static Tables tables()
{
return Tables.of(BuiltIndexes,
Batches,
Paxos,
PaxosRepairHistoryTable,
Local,
PeersV2,
LegacyPeers,
PeerEventsV2,
LegacyPeerEvents,
CompactionHistory,
LegacySSTableActivity,
SSTableActivity,
LegacySizeEstimates,
TableEstimates,
AvailableRangesV2,
LegacyAvailableRanges,
TransferredRangesV2,
LegacyTransferredRanges,
ViewBuildsInProgress,
BuiltViews,
PreparedStatements,
Repairs,
TopPartitions);
}
private static volatile Map<TableId, Pair<CommitLogPosition, Long>> truncationRecords;
public enum BootstrapState
{
NEEDS_BOOTSTRAP,
COMPLETED,
IN_PROGRESS,
DECOMMISSIONED
}
public static void persistLocalMetadata()
{
persistLocalMetadata(UUID::randomUUID);
}
@VisibleForTesting
public static void persistLocalMetadata(Supplier<UUID> nodeIdSupplier)
{
String req = "INSERT INTO system.%s (" +
"key," +
"cluster_name," +
"release_version," +
"cql_version," +
"native_protocol_version," +
"data_center," +
"rack," +
"partitioner," +
"rpc_address," +
"rpc_port," +
"broadcast_address," +
"broadcast_port," +
"listen_address," +
"listen_port" +
") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
IEndpointSnitch snitch = DatabaseDescriptor.getEndpointSnitch();
executeOnceInternal(format(req, LOCAL),
LOCAL,
DatabaseDescriptor.getClusterName(),
FBUtilities.getReleaseVersionString(),
QueryProcessor.CQL_VERSION.toString(),
String.valueOf(ProtocolVersion.CURRENT.asInt()),
snitch.getLocalDatacenter(),
snitch.getLocalRack(),
DatabaseDescriptor.getPartitioner().getClass().getName(),
FBUtilities.getJustBroadcastNativeAddress(),
DatabaseDescriptor.getNativeTransportPort(),
FBUtilities.getJustBroadcastAddress(),
DatabaseDescriptor.getStoragePort(),
FBUtilities.getJustLocalAddress(),
DatabaseDescriptor.getStoragePort());
// We should store host ID as soon as possible in the system.local table and flush that table to disk so that
// we can be sure that those changes are stored in sstable and not in the commit log (see CASSANDRA-18153).
// It is very unlikely that when upgrading the host id is not flushed to disk, but if that's the case, we limit
// this change only to the new installations or the user should just flush system.local table.
if (!CommitLog.instance.hasFilesToReplay())
SystemKeyspace.getOrInitializeLocalHostId(nodeIdSupplier);
}
public static void updateCompactionHistory(TimeUUID taskId,
String ksname,
String cfname,
long compactedAt,
long bytesIn,
long bytesOut,
Map<Integer, Long> rowsMerged,
Map<String, String> compactionProperties)
{
// don't write anything when the history table itself is compacted, since that would in turn cause new compactions
if (ksname.equals("system") && cfname.equals(COMPACTION_HISTORY))
return;
String req = "INSERT INTO system.%s (id, keyspace_name, columnfamily_name, compacted_at, bytes_in, bytes_out, rows_merged, compaction_properties) VALUES (?, ?, ?, ?, ?, ?, ?, ?)";
executeInternal(format(req, COMPACTION_HISTORY),
taskId,
ksname,
cfname,
ByteBufferUtil.bytes(compactedAt),
bytesIn,
bytesOut,
rowsMerged,
compactionProperties);
}
public static TabularData getCompactionHistory() throws OpenDataException
{
UntypedResultSet queryResultSet = executeInternal(format("SELECT * from system.%s", COMPACTION_HISTORY));
return CompactionHistoryTabularData.from(queryResultSet);
}
public static boolean isViewBuilt(String keyspaceName, String viewName)
{
String req = "SELECT view_name FROM %s.\"%s\" WHERE keyspace_name=? AND view_name=?";
UntypedResultSet result = executeInternal(format(req, SchemaConstants.SYSTEM_KEYSPACE_NAME, BUILT_VIEWS), keyspaceName, viewName);
return !result.isEmpty();
}
public static boolean isViewStatusReplicated(String keyspaceName, String viewName)
{
String req = "SELECT status_replicated FROM %s.\"%s\" WHERE keyspace_name=? AND view_name=?";
UntypedResultSet result = executeInternal(format(req, SchemaConstants.SYSTEM_KEYSPACE_NAME, BUILT_VIEWS), keyspaceName, viewName);
if (result.isEmpty())
return false;
UntypedResultSet.Row row = result.one();
return row.has("status_replicated") && row.getBoolean("status_replicated");
}
public static void setViewBuilt(String keyspaceName, String viewName, boolean replicated)
{
if (isViewBuilt(keyspaceName, viewName) && isViewStatusReplicated(keyspaceName, viewName) == replicated)
return;
String req = "INSERT INTO %s.\"%s\" (keyspace_name, view_name, status_replicated) VALUES (?, ?, ?)";
executeInternal(format(req, SchemaConstants.SYSTEM_KEYSPACE_NAME, BUILT_VIEWS), keyspaceName, viewName, replicated);
forceBlockingFlush(BUILT_VIEWS);
}
public static void setViewRemoved(String keyspaceName, String viewName)
{
String buildReq = "DELETE FROM %s.%s WHERE keyspace_name = ? AND view_name = ?";
executeInternal(String.format(buildReq, SchemaConstants.SYSTEM_KEYSPACE_NAME, VIEW_BUILDS_IN_PROGRESS), keyspaceName, viewName);
String builtReq = "DELETE FROM %s.\"%s\" WHERE keyspace_name = ? AND view_name = ? IF EXISTS";
executeInternal(String.format(builtReq, SchemaConstants.SYSTEM_KEYSPACE_NAME, BUILT_VIEWS), keyspaceName, viewName);
forceBlockingFlush(VIEW_BUILDS_IN_PROGRESS, BUILT_VIEWS);
}
public static void finishViewBuildStatus(String ksname, String viewName)
{
// We flush the view built first, because if we fail now, we'll restart at the last place we checkpointed
// view build.
// If we flush the delete first, we'll have to restart from the beginning.
// Also, if writing to the built_view succeeds, but the view_builds_in_progress deletion fails, we will be able
// to skip the view build next boot.
setViewBuilt(ksname, viewName, false);
executeInternal(String.format("DELETE FROM system.%s WHERE keyspace_name = ? AND view_name = ?", VIEW_BUILDS_IN_PROGRESS), ksname, viewName);
forceBlockingFlush(VIEW_BUILDS_IN_PROGRESS);
}
public static void setViewBuiltReplicated(String ksname, String viewName)
{
setViewBuilt(ksname, viewName, true);
}
public static void updateViewBuildStatus(String ksname, String viewName, Range<Token> range, Token lastToken, long keysBuilt)
{
String req = "INSERT INTO system.%s (keyspace_name, view_name, start_token, end_token, last_token, keys_built) VALUES (?, ?, ?, ?, ?, ?)";
Token.TokenFactory factory = ViewBuildsInProgress.partitioner.getTokenFactory();
executeInternal(format(req, VIEW_BUILDS_IN_PROGRESS),
ksname,
viewName,
factory.toString(range.left),
factory.toString(range.right),
factory.toString(lastToken),
keysBuilt);
}
public static Map<Range<Token>, Pair<Token, Long>> getViewBuildStatus(String ksname, String viewName)
{
String req = "SELECT start_token, end_token, last_token, keys_built FROM system.%s WHERE keyspace_name = ? AND view_name = ?";
Token.TokenFactory factory = ViewBuildsInProgress.partitioner.getTokenFactory();
UntypedResultSet rs = executeInternal(format(req, VIEW_BUILDS_IN_PROGRESS), ksname, viewName);
if (rs == null || rs.isEmpty())
return Collections.emptyMap();
Map<Range<Token>, Pair<Token, Long>> status = new HashMap<>();
for (UntypedResultSet.Row row : rs)
{
Token start = factory.fromString(row.getString("start_token"));
Token end = factory.fromString(row.getString("end_token"));
Range<Token> range = new Range<>(start, end);
Token lastToken = row.has("last_token") ? factory.fromString(row.getString("last_token")) : null;
long keysBuilt = row.has("keys_built") ? row.getLong("keys_built") : 0;
status.put(range, Pair.create(lastToken, keysBuilt));
}
return status;
}
public static synchronized void saveTruncationRecord(ColumnFamilyStore cfs, long truncatedAt, CommitLogPosition position)
{
String req = "UPDATE system.%s SET truncated_at = truncated_at + ? WHERE key = '%s'";
executeInternal(format(req, LOCAL, LOCAL), truncationAsMapEntry(cfs, truncatedAt, position));
truncationRecords = null;
forceBlockingFlush(LOCAL);
}
/**
* This method is used to remove information about truncation time for specified column family
*/
public static synchronized void removeTruncationRecord(TableId id)
{
Pair<CommitLogPosition, Long> truncationRecord = getTruncationRecord(id);
if (truncationRecord == null)
return;
String req = "DELETE truncated_at[?] from system.%s WHERE key = '%s'";
executeInternal(format(req, LOCAL, LOCAL), id.asUUID());
truncationRecords = null;
forceBlockingFlush(LOCAL);
}
private static Map<UUID, ByteBuffer> truncationAsMapEntry(ColumnFamilyStore cfs, long truncatedAt, CommitLogPosition position)
{
try (DataOutputBuffer out = DataOutputBuffer.scratchBuffer.get())
{
CommitLogPosition.serializer.serialize(position, out);
out.writeLong(truncatedAt);
return singletonMap(cfs.metadata.id.asUUID(), out.asNewBuffer());
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
public static CommitLogPosition getTruncatedPosition(TableId id)
{
Pair<CommitLogPosition, Long> record = getTruncationRecord(id);
return record == null ? null : record.left;
}
public static long getTruncatedAt(TableId id)
{
Pair<CommitLogPosition, Long> record = getTruncationRecord(id);
return record == null ? Long.MIN_VALUE : record.right;
}
private static synchronized Pair<CommitLogPosition, Long> getTruncationRecord(TableId id)
{
if (truncationRecords == null)
truncationRecords = readTruncationRecords();
return truncationRecords.get(id);
}
private static Map<TableId, Pair<CommitLogPosition, Long>> readTruncationRecords()
{
UntypedResultSet rows = executeInternal(format("SELECT truncated_at FROM system.%s WHERE key = '%s'", LOCAL, LOCAL));
Map<TableId, Pair<CommitLogPosition, Long>> records = new HashMap<>();
if (!rows.isEmpty() && rows.one().has("truncated_at"))
{
Map<UUID, ByteBuffer> map = rows.one().getMap("truncated_at", UUIDType.instance, BytesType.instance);
for (Map.Entry<UUID, ByteBuffer> entry : map.entrySet())
records.put(TableId.fromUUID(entry.getKey()), truncationRecordFromBlob(entry.getValue()));
}
return records;
}
private static Pair<CommitLogPosition, Long> truncationRecordFromBlob(ByteBuffer bytes)
{
try (RebufferingInputStream in = new DataInputBuffer(bytes, true))
{
return Pair.create(CommitLogPosition.serializer.deserialize(in), in.available() > 0 ? in.readLong() : Long.MIN_VALUE);
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
/**
* Record tokens being used by another node
*/
public static synchronized void updateTokens(InetAddressAndPort ep, Collection<Token> tokens)
{
if (ep.equals(FBUtilities.getBroadcastAddressAndPort()))
return;
String req = "INSERT INTO system.%s (peer, tokens) VALUES (?, ?)";
executeInternal(String.format(req, LEGACY_PEERS), ep.getAddress(), tokensAsSet(tokens));
req = "INSERT INTO system.%s (peer, peer_port, tokens) VALUES (?, ?, ?)";
executeInternal(String.format(req, PEERS_V2), ep.getAddress(), ep.getPort(), tokensAsSet(tokens));
}
public static synchronized boolean updatePreferredIP(InetAddressAndPort ep, InetAddressAndPort preferred_ip)
{
if (preferred_ip.equals(getPreferredIP(ep)))
return false;
String req = "INSERT INTO system.%s (peer, preferred_ip) VALUES (?, ?)";
executeInternal(String.format(req, LEGACY_PEERS), ep.getAddress(), preferred_ip.getAddress());
req = "INSERT INTO system.%s (peer, peer_port, preferred_ip, preferred_port) VALUES (?, ?, ?, ?)";
executeInternal(String.format(req, PEERS_V2), ep.getAddress(), ep.getPort(), preferred_ip.getAddress(), preferred_ip.getPort());
forceBlockingFlush(LEGACY_PEERS, PEERS_V2);
return true;
}
public static synchronized void updatePeerInfo(InetAddressAndPort ep, String columnName, Object value)
{
if (ep.equals(FBUtilities.getBroadcastAddressAndPort()))
return;
String req = "INSERT INTO system.%s (peer, %s) VALUES (?, ?)";
executeInternal(String.format(req, LEGACY_PEERS, columnName), ep.getAddress(), value);
//This column doesn't match across the two tables
if (columnName.equals("rpc_address"))
{
columnName = "native_address";
}
req = "INSERT INTO system.%s (peer, peer_port, %s) VALUES (?, ?, ?)";
executeInternal(String.format(req, PEERS_V2, columnName), ep.getAddress(), ep.getPort(), value);
}
public static synchronized void updatePeerNativeAddress(InetAddressAndPort ep, InetAddressAndPort address)
{
if (ep.equals(FBUtilities.getBroadcastAddressAndPort()))
return;
String req = "INSERT INTO system.%s (peer, rpc_address) VALUES (?, ?)";
executeInternal(String.format(req, LEGACY_PEERS), ep.getAddress(), address.getAddress());
req = "INSERT INTO system.%s (peer, peer_port, native_address, native_port) VALUES (?, ?, ?, ?)";
executeInternal(String.format(req, PEERS_V2), ep.getAddress(), ep.getPort(), address.getAddress(), address.getPort());
}
public static synchronized void updateHintsDropped(InetAddressAndPort ep, TimeUUID timePeriod, int value)
{
// with 30 day TTL
String req = "UPDATE system.%s USING TTL 2592000 SET hints_dropped[ ? ] = ? WHERE peer = ?";
executeInternal(String.format(req, LEGACY_PEER_EVENTS), timePeriod, value, ep.getAddress());
req = "UPDATE system.%s USING TTL 2592000 SET hints_dropped[ ? ] = ? WHERE peer = ? AND peer_port = ?";
executeInternal(String.format(req, PEER_EVENTS_V2), timePeriod, value, ep.getAddress(), ep.getPort());
}
public static synchronized void updateSchemaVersion(UUID version)
{
String req = "INSERT INTO system.%s (key, schema_version) VALUES ('%s', ?)";
executeInternal(format(req, LOCAL, LOCAL), version);
}
private static Set<String> tokensAsSet(Collection<Token> tokens)
{
if (tokens.isEmpty())
return Collections.emptySet();
Token.TokenFactory factory = StorageService.instance.getTokenFactory();
Set<String> s = new HashSet<>(tokens.size());
for (Token tk : tokens)
s.add(factory.toString(tk));
return s;
}
private static Collection<Token> deserializeTokens(Collection<String> tokensStrings)
{
Token.TokenFactory factory = StorageService.instance.getTokenFactory();
List<Token> tokens = new ArrayList<>(tokensStrings.size());
for (String tk : tokensStrings)
tokens.add(factory.fromString(tk));
return tokens;
}
/**
* Remove stored tokens being used by another node
*/
public static synchronized void removeEndpoint(InetSocketAddress ep)
{
String req = "DELETE FROM system.%s WHERE peer = ?";
executeInternal(String.format(req, LEGACY_PEERS), ep.getAddress());
req = String.format("DELETE FROM system.%s WHERE peer = ? AND peer_port = ?", PEERS_V2);
executeInternal(req, ep.getAddress(), ep.getPort());
forceBlockingFlush(LEGACY_PEERS, PEERS_V2);
}
/**
* This method is used to update the System Keyspace with the new tokens for this node
*/
public static synchronized void updateTokens(Collection<Token> tokens)
{
assert !tokens.isEmpty() : "removeEndpoint should be used instead";
Collection<Token> savedTokens = getSavedTokens();
if (tokens.containsAll(savedTokens) && tokens.size() == savedTokens.size())
return;
String req = "INSERT INTO system.%s (key, tokens) VALUES ('%s', ?)";
executeInternal(format(req, LOCAL, LOCAL), tokensAsSet(tokens));
forceBlockingFlush(LOCAL);
}
public static void forceBlockingFlush(String ...cfnames)
{
if (!DatabaseDescriptor.isUnsafeSystem())
{
List<Future<CommitLogPosition>> futures = new ArrayList<>();
for (String cfname : cfnames)
{
futures.add(Keyspace.open(SchemaConstants.SYSTEM_KEYSPACE_NAME)
.getColumnFamilyStore(cfname)
.forceFlush(ColumnFamilyStore.FlushReason.INTERNALLY_FORCED));
}
FBUtilities.waitOnFutures(futures);
}
}
/**
* Return a map of stored tokens to IP addresses
*
*/
public static SetMultimap<InetAddressAndPort, Token> loadTokens()
{
SetMultimap<InetAddressAndPort, Token> tokenMap = HashMultimap.create();
for (UntypedResultSet.Row row : executeInternal("SELECT peer, peer_port, tokens FROM system." + PEERS_V2))
{
InetAddress address = row.getInetAddress("peer");
Integer port = row.getInt("peer_port");
InetAddressAndPort peer = InetAddressAndPort.getByAddressOverrideDefaults(address, port);
if (row.has("tokens"))
tokenMap.putAll(peer, deserializeTokens(row.getSet("tokens", UTF8Type.instance)));
}
return tokenMap;
}
/**
* Return a map of store host_ids to IP addresses
*
*/
public static Map<InetAddressAndPort, UUID> loadHostIds()
{
Map<InetAddressAndPort, UUID> hostIdMap = new HashMap<>();
for (UntypedResultSet.Row row : executeInternal("SELECT peer, peer_port, host_id FROM system." + PEERS_V2))
{
InetAddress address = row.getInetAddress("peer");
Integer port = row.getInt("peer_port");
InetAddressAndPort peer = InetAddressAndPort.getByAddressOverrideDefaults(address, port);
if (row.has("host_id"))
{
hostIdMap.put(peer, row.getUUID("host_id"));
}
}
return hostIdMap;
}
/**
* Get preferred IP for given endpoint if it is known. Otherwise this returns given endpoint itself.
*
* @param ep endpoint address to check
* @return Preferred IP for given endpoint if present, otherwise returns given ep
*/
public static InetAddressAndPort getPreferredIP(InetAddressAndPort ep)
{
Preconditions.checkState(DatabaseDescriptor.isDaemonInitialized()); // Make sure being used as a daemon, not a tool
String req = "SELECT preferred_ip, preferred_port FROM system.%s WHERE peer=? AND peer_port = ?";