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https://issues.apache.org/jira/browse/HBASE-24788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17168632#comment-17168632
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Hudson commented on HBASE-24788:
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Results for branch branch-1
[build #1335 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-1/1335/]:
(x) *{color:red}-1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-1/1335//General_Nightly_Build_Report/]
(x) {color:red}-1 jdk7 checks{color}
-- For more information [see jdk7
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-1/1335//JDK7_Nightly_Build_Report/]
(x) {color:red}-1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-1/1335//JDK8_Nightly_Build_Report_(Hadoop2)/]
(x) {color:red}-1 source release artifact{color}
-- See build output for details.
> Fix the connection leaks on getting hbase admin from unclosed connection
> ------------------------------------------------------------------------
>
> Key: HBASE-24788
> URL: https://issues.apache.org/jira/browse/HBASE-24788
> Project: HBase
> Issue Type: Bug
> Components: mapreduce
> Affects Versions: 3.0.0-alpha-1, 2.3.0, 1.6.0
> Reporter: Sandeep Pal
> Assignee: Sandeep Pal
> Priority: Major
> Fix For: 3.0.0-alpha-1, 2.3.1, 1.7.0, 2.4.0, 2.2.7
>
>
> Observed the significant increase in ZK connection on performance testing on
> map reduce jobs. Turns out the
> [TableOutputFormat.checkOutputSpecs()|https://github.com/apache/hbase/blob/master/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.java#L182]
> is not closing the connection it uses to get the hbase admin. It closes the
> hbase admin but never close the connection to get the admin.
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