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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12685) TestSplitLogManager#testLogFilesAreArchived sometimes times out due to race condition
Date Mon, 15 Dec 2014 04:13:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14246303#comment-14246303
] 

Anoop Sam John commented on HBASE-12685:
----------------------------------------

LGTM

> TestSplitLogManager#testLogFilesAreArchived sometimes times out due to race condition

> --------------------------------------------------------------------------------------
>
>                 Key: HBASE-12685
>                 URL: https://issues.apache.org/jira/browse/HBASE-12685
>             Project: HBase
>          Issue Type: Test
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Minor
>         Attachments: 12685-v1.txt
>
>
> From https://builds.apache.org/job/hbase-0.98/739/testReport/org.apache.hadoop.hbase.master/TestSplitLogManager/testLogFilesAreArchived/
:
> {code}
> 2014-12-14 14:40:30,420 INFO  [Thread-27] master.SplitLogManager(325): started splitting
1 logs in [/home/jenkins/jenkins-slave/workspace/HBase-0.98/hbase-server/target/test-data/c065c13d-bc83-48e7-9178-51a14df531c3/testLogFilesAreArchived/f7ae1e8f-c848-4089-b5b1-20aff73c81dd]
> 2014-12-14 14:40:30,422 WARN  [Thread-31] master.TestSplitLogManager$5(527): org.apache.zookeeper.KeeperException$NoNodeException:
KeeperErrorCode = NoNode for /hbase/splitWAL/f7ae1e8f-c848-4089-b5b1-20aff73c81dd%2Ffoo%2C1%2C1
> 2014-12-14 14:40:30,423 DEBUG [main-EventThread] master.SplitLogManager(703): put up
splitlog task at znode /hbase/splitWAL/f7ae1e8f-c848-4089-b5b1-20aff73c81dd%2Ffoo%2C1%2C1
> {code}
> The thread which mocks split done called ZKUtil.setData() before SplitLogManager put
up the splitlog task znode. The setting of done to true should exclude the above scenario.
> Otherwise log split task would miss the split done mock, resulting in test failure:
> {code}
> 2014-12-14 14:41:18,562 INFO  [main-EventThread] master.SplitLogManager(753): task /hbase/splitWAL/RESCAN0000000004
entered state: DONE dummy-master,1,1
> 2014-12-14 14:41:18,563 DEBUG [main-EventThread] zookeeper.ZooKeeperWatcher(312): split-log-manager-testsa62d20ae-9904-4dc6-9e79-b7d98486dd49-0x14a493e58af0000,
quorum=localhost:50869, baseZNode=/hbase Received ZooKeeper Event, type=NodeDeleted, state=SyncConnected,
path=/hbase/splitWAL/RESCAN0000000004
> 2014-12-14 14:41:18,563 DEBUG [main-EventThread] master.SplitLogManager$DeleteAsyncCallback(1712):
deleted /hbase/splitWAL/RESCAN0000000004
> 2014-12-14 14:41:18,563 DEBUG [main-EventThread] master.SplitLogManager(935): deleted
task without in memory state /hbase/splitWAL/RESCAN0000000004
> 2014-12-14 14:41:20,562 INFO  [dummy-master,1,1.splitLogManagerTimeoutMonitor] master.SplitLogManager$TimeoutMonitor(1502):
total tasks = 1 unassigned = 1 tasks={/hbase/splitWAL/f7ae1e8f-c848-4089-b5b1-20aff73c81dd%2Ffoo%2C1%2C1=last_update
= -1 last_version = -1 cur_worker_name = null status = in_progress incarnation = 0 resubmits
= 0 batch = installed = 1 done = 0 error = 0}
> 2014-12-14 14:41:25,568 INFO  [dummy-master,1,1.splitLogManagerTimeoutMonitor] master.SplitLogManager$TimeoutMonitor(1502):
total tasks = 1 unassigned = 1 tasks={/hbase/splitWAL/f7ae1e8f-c848-4089-b5b1-20aff73c81dd%2Ffoo%2C1%2C1=last_update
= -1 last_version = -1 cur_worker_name = null status = in_progress incarnation = 0 resubmits
= 0 batch = installed = 1 done = 0 error = 0}
> 2014-12-14 14:41:30,399 WARN  [Thread-27] master.SplitLogManager(441): Interrupted while
waiting for log splits to be completed
> {code}



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