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From "stack (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4402) Retaining locality after restart broken
Date Wed, 05 Oct 2011 15:25:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13121042#comment-13121042
] 

stack commented on HBASE-4402:
------------------------------

I ran it again and got this:

{code}

Results :

Failed tests:   testSingleMethod(org.apache.hadoop.hbase.regionserver.TestServerCustomProtocol):
Results should contain region test,ccc,1317795815964.d181ee3cf99a2f9e33d6b4561f52a72f. for
row 'ccc'
  testOnlineChangeTableSchema(org.apache.hadoop.hbase.client.TestAdmin)
  testForceSplitMultiFamily(org.apache.hadoop.hbase.client.TestAdmin): expected:<2>
but was:<1>

Tests in error:
  testMergeTable(org.apache.hadoop.hbase.util.TestMergeTable): test timed out after 300000
milliseconds

Tests run: 1017, Failures: 3, Errors: 1, Skipped: 21
{code}

Similar machine did clean build of 0.92.  Will keep at it.
                
> Retaining locality after restart broken
> ---------------------------------------
>
>                 Key: HBASE-4402
>                 URL: https://issues.apache.org/jira/browse/HBASE-4402
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 0.92.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Blocker
>             Fix For: 0.92.0
>
>         Attachments: hbase-4402.txt, hbase-4402.txt
>
>
> In DefaultLoadBalancer, we implement the "retain assignment" function like so:
> {code}
>       if (sn != null && servers.contains(sn)) {
>         assignments.get(sn).add(region.getKey());
> {code}
> but this will never work since after a cluster restart, all servers have a new ServerName
with a new startcode.

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