Yahoo! Distribution of Hadoop Change Log
Patches from the following Apache Jira issues have been applied
to this release in the order indicated. This is in addition to
the patches applied from issues referenced in CHANGES.txt.
17. HADOOP-5818. Revert the renaming from FSNamesystem.checkSuperuserPrivilege
to checkAccess by HADOOP-5643. (Amar Kamat via szetszwo)
https://issues.apache.org/jira/secure/attachment/12409835/5818for0.20.patch
16. HADOOP-5801. Fixes the problem: If the hosts file is changed across restart
then it should be refreshed upon recovery so that the excluded hosts are
lost and the maps are re-executed. (Amar Kamat via ddas)
https://issues.apache.org/jira/secure/attachment/12409834/5801-0.20.patch
15. HADOOP-5643. HADOOP-5643. Adds a way to decommission TaskTrackers
while the JobTracker is running. (Amar Kamat via ddas)
https://issues.apache.org/jira/secure/attachment/12409833/Fixed+5643-0.20
14. HADOOP-5923 and HADOOP-5924. Fixes a corner case problem to do with job recovery
with empty history files. Also, after a JT restart, sends KillTaskAction to
tasks that report back but the corresponding job hasn't been initialized
yet. (Amar Kamat via ddas)
https://issues.apache.org/jira/secure/attachment/12410172/H-5924.20.patch
https://issues.apache.org/jira/secure/attachment/12410174/H-5923.20.patch
13. HADOOP-5908. Fixes a problem to do with ArithmeticException in the
JobTracker when there are jobs with 0 maps. (Amar Kamat via ddas)
https://issues.apache.org/jira/secure/attachment/12410171/HADOOP-5908-v3.2.20.patch
12. HADOOP-5419. Provide a facility to query the Queue ACLs for the
current user. (Rahul Kumar Singh via yhemanth)
http://issues.apache.org/jira/secure/attachment/12409323/hadoop-5419-v20.patch
11. HADOOP-5733. Add map/reduce slot capacity and blacklisted capacity to
JobTracker metrics. (Sreekanth Ramakrishnan via cdouglas)
http://issues.apache.org/jira/secure/attachment/12409322/hadoop-5733-v20.patch
10. HADOOP-5738. Split "waiting_tasks" JobTracker metric into waiting maps and
waiting reduces. (Sreekanth Ramakrishnan via cdouglas)
https://issues.apache.org/jira/secure/attachment/12409321/5738-y20.patch
9. HADOOP-4842. Streaming now allows specifiying a command for the combiner.
(Amareshwari Sriramadasu via ddas)
http://issues.apache.org/jira/secure/attachment/12402355/patch-4842-3.txt
8. HADOOP-5739. After JobTracker restart Capacity Schduler does not schedules
pending tasks from already running tasks.
https://issues.apache.org/jira/secure/attachment/12410166/hadoop-5739-20-alt.patch
7. HADOOP-5396. Provide ability to refresh queue ACLs in the JobTracker
without having to restart the daemon.
(Sreekanth Ramakrishnan and Vinod Kumar Vavilapalli via yhemanth)
http://issues.apache.org/jira/secure/attachment/12409319/5396-20.patch
6. HADOOP-4490. Provide ability to run tasks as job owners.
(Sreekanth Ramakrishnan via yhemanth)
http://issues.apache.org/jira/secure/attachment/12409318/hadoop-4490-br20-3.patch
https://issues.apache.org/jira/secure/attachment/12410170/hadoop-4490-br20-3.2.patch
5. HADOOP-5442. Paginate jobhistory display and added some search
capabilities. (Amar Kamat via acmurthy)
http://issues.apache.org/jira/secure/attachment/12402301/HADOOP-5442-v1.12.patch
4. HADOOP-3327. Improves handling of READ_TIMEOUT during map output copying.
(Amareshwari Sriramadasu via ddas)
http://issues.apache.org/jira/secure/attachment/12399449/patch-3327-2.txt
3. HADOOP-5113. Fixed logcondense to remove files for usernames
beginning with characters specified in the -l option.
(Peeyush Bishnoi via yhemanth)
http://issues.apache.org/jira/secure/attachment/12409317/hadoop-5113-0.18.txt
2. HADOOP-2898. Provide an option to specify a port range for
Hadoop services provisioned by HOD.
(Peeyush Bishnoi via yhemanth)
http://issues.apache.org/jira/secure/attachment/12409316/hadoop-2898-0.20.txt
1. HADOOP-4930. Implement a Linux native executable that can be used to
launch tasks as users. (Sreekanth Ramakrishnan via yhemanth)
http://issues.apache.org/jira/secure/attachment/12409402/hadoop-4930v20.patch
) is private.
