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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14575) Reduce scope of compactions holding region lock
Date Wed, 14 Oct 2015 23:05:05 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14957974#comment-14957974
] 

Ted Yu commented on HBASE-14575:
--------------------------------

Looks like Nick is busy.

Patch v1 fixes a few mockito errors in the following form:
{code}
testSplitOffStripeDropDeletes(org.apache.hadoop.hbase.regionserver.compactions.TestStripeCompactionPolicy)
 Time elapsed: 0.155 sec  <<< ERROR!
org.mockito.exceptions.misusing.InvalidUseOfMatchersException:
Invalid use of argument matchers!
9 matchers expected, 8 recorded:
-> at org.apache.hadoop.hbase.regionserver.compactions.TestStripeCompactionPolicy.verifyCompaction(TestStripeCompactionPolicy.java:572)
-> at org.apache.hadoop.hbase.regionserver.compactions.TestStripeCompactionPolicy.verifyCompaction(TestStripeCompactionPolicy.java:572)
-> at org.apache.hadoop.hbase.regionserver.compactions.TestStripeCompactionPolicy.verifyCompaction(TestStripeCompactionPolicy.java:572)
-> at org.apache.hadoop.hbase.regionserver.compactions.TestStripeCompactionPolicy.verifyCompaction(TestStripeCompactionPolicy.java:572)
-> at org.apache.hadoop.hbase.regionserver.compactions.TestStripeCompactionPolicy.verifyCompaction(TestStripeCompactionPolicy.java:572)
-> at org.apache.hadoop.hbase.regionserver.compactions.TestStripeCompactionPolicy.dropDeletesMatcher(TestStripeCompactionPolicy.java:599)
-> at org.apache.hadoop.hbase.regionserver.compactions.TestStripeCompactionPolicy.dropDeletesMatcher(TestStripeCompactionPolicy.java:599)
-> at org.apache.hadoop.hbase.regionserver.compactions.TestStripeCompactionPolicy.verifyCompaction(TestStripeCompactionPolicy.java:572)
{code}

> Reduce scope of compactions holding region lock
> -----------------------------------------------
>
>                 Key: HBASE-14575
>                 URL: https://issues.apache.org/jira/browse/HBASE-14575
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Compaction, regionserver
>            Reporter: Nick Dimiduk
>            Assignee: Nick Dimiduk
>         Attachments: 14575-v1.patch, 14575.v00.patch
>
>
> Per [~devaraj]'s idea on parent issue, let's see if we can reduce the scope of critical
section under which compactions hold the region read lock.



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