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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2015/11/25 18:47:10 UTC
[jira] [Commented] (HBASE-14883)
TestSplitTransactionOnCluster#testFailedSplit flakey
[ https://issues.apache.org/jira/browse/HBASE-14883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15027247#comment-15027247 ]
stack commented on HBASE-14883:
-------------------------------
Pushed the patch to branch-1.2 and branch-1. Leaving open to see if we fail again any time soon.
> TestSplitTransactionOnCluster#testFailedSplit flakey
> ----------------------------------------------------
>
> Key: HBASE-14883
> URL: https://issues.apache.org/jira/browse/HBASE-14883
> Project: HBase
> Issue Type: Sub-task
> Components: flakey, test
> Affects Versions: 1.2.0, 1.3.0
> Reporter: stack
> Assignee: stack
> Attachments: 14883-branch-1.txt
>
>
> Only in branch-1 and branch-1.2.
> Fails look like this:
> https://builds.apache.org/view/H-L/view/HBase/job/HBase-1.3/jdk=latest1.8,label=Hadoop/397/
> TEST-org.apache.hadoop.hbase.regionserver.TestSplitTransactionOnCluster.xml.<init>
> If I look in the xml, I see this:
> {code}
> <testcase name="testFailedSplit" classname="org.apache.hadoop.hbase.regionserver.TestSplitTransactionOnCluster" time="8.275">
> <flakyFailure type="java.lang.AssertionError:">java.lang.AssertionError: null
> at org.junit.Assert.fail(Assert.java:86)
> at org.junit.Assert.assertTrue(Assert.java:41)
> at org.junit.Assert.assertTrue(Assert.java:52)
> at org.apache.hadoop.hbase.regionserver.TestSplitTransactionOnCluster.testFailedSplit(TestSplitTransactionOnCluster.java:1339)
> <system-err><![CDATA[
> {code}
> ... the xml is cut off.
> testFailedSplit seems to be the culprit.
> If I look in the -output.txt I see:
> {code}
> ....
> 2015-11-25 09:00:37,816 DEBUG [asf905.gq1.ygridcore.net,48894,1448441976062_ChoreService_1] balancer.BaseLoadBalancer$Cluster(838): Lowest locality region index is 0 and its region server contains 3 regions
> 2015-11-25 09:00:37,816 DEBUG [asf905.gq1.ygridcore.net,48894,1448441976062_ChoreService_1] balancer.BaseLoadBalancer$Cluster(813): Lowest locality region server with non zero regions is asf905.gq1.ygridcore.net with locality 0.0
> 2015-11-25 09:00:37,816 DEBUG [asf905.gq1.ygridcore.net,48894,1448441976062_ChoreService_1] balancer.BaseLoadBalancer$Cluster(838): Lowest locality region index is 0 and its region server contains 3 regions
> 2015-11-25 09:00:37,817 DEBUG [asf905.gq1.ygridcore.net,48894,1448441976062_ChoreService_1] balancer.BaseLoadBalancer$Cluster(813): Lowest locality region server with non zero regions is asf905.gq1.ygridcore.net with locality 0.0
> ...
> {code}
> spewing...
> This test was added here:
> {code}
> kalashnikov:hbase.git.commit stack$ git log -S testFailedSplit ./hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.java
> commit 871444cb0a733b82af843952253b4545a407979a
> Author: Andrew Purtell <ap...@apache.org>
> Date: Mon Dec 15 17:31:33 2014 -0800
> HBASE-12686 Failures in split before PONR not clearing the daughter regions from regions in transition during rollback (Vandana Ayyalasomayajula)
> {code}
> The balancer is not coming back true (line #1339 assert is null according to above)
> {code}
> ...
> 1337 regions = TESTING_UTIL.getHBaseAdmin().getTableRegions(tableName);
> 1338 assertTrue(regions.size() == 1);
> 1339 assertTrue(admin.balancer());
> ...
> {code}
> Line #1339 was not in original test. It was added later:
> {code}
> commit 46f993b19fa11d1a8880d08045be43e38017b46a
> Author: Virag Kothari <vi...@yahoo-inc.com>
> Date: Wed Jan 7 10:58:32 2015 -0800
> HBASE-12694 testTableExistsIfTheSpecifiedTableRegionIsSplitParent in TestSplitTransactionOnCluster class leaves regions in transition (Vandana Ayyalasomayajula)
> {code}
> We are having trouble achieving a balance.... Let me see.
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