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https://issues.apache.org/jira/browse/HBASE-4993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13168374#comment-13168374
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nkeywal commented on HBASE-4993:
--------------------------------
Errors are hadoop-qa related, usual "Too many open files"
client.TestAdmin#testCheckHBaseAvailableClosesConnection: 559 threads (was
293), 1016 file descriptors (was 478).
java.io.FileNotFoundException:
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/trunk/target/test-data/41fdcdb6-e088-480d-b131-18b5ad56356b/dfscluster_822e8789-caad-4a9f-a090-44b5e9e28fc8/dfs/data/data5/blocksBeingWritten/blk_-3873967043651795350_1007.meta
(Too many open files)
client.TestInstantSchemaChange#testInstantSchemaJanitor: 343 threads (was 120),
874 file descriptors (was 598).
Can be committed imho.
> Performance regression in minicluster creation
> ----------------------------------------------
>
> Key: HBASE-4993
> URL: https://issues.apache.org/jira/browse/HBASE-4993
> Project: HBase
> Issue Type: Bug
> Components: master
> Affects Versions: 0.94.0
> Environment: all
> Reporter: nkeywal
> Assignee: nkeywal
> Attachments: 4993.patch, 4993.v3.patch
>
>
> Side effect of 4610: the mini cluster needs 4,5 seconds to start
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