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https://issues.apache.org/jira/browse/HBASE-16188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15869345#comment-15869345
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Hadoop QA commented on HBASE-16188:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s
{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 6s {color}
| {color:red} HBASE-16188 does not apply to master. Rebase required? Wrong
Branch? See https://yetus.apache.org/documentation/0.3.0/precommit-patchnames
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12852988/HBASE-16188-1.3.patch
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| JIRA Issue | HBASE-16188 |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/5728/console |
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This message was automatically generated.
> Add EventCounter information to log4j properties file
> -----------------------------------------------------
>
> Key: HBASE-16188
> URL: https://issues.apache.org/jira/browse/HBASE-16188
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 1.2.1
> Reporter: Lars George
> Assignee: Gopi Krishnan Nambiar
> Priority: Minor
> Labels: beginner
> Fix For: 2.0.0, 1.3.0
>
> Attachments: HBASE-16188-1.3.patch, HBASE-16188.patch
>
>
> Hadoop's {{JvmMetrics}}, which HBase also is using in Metrics2 and provides
> it as an MBean, has the ability to count log4j log calls. This is tracked by
> a special {{Appender}} class, also provided by Hadoop, called
> {{EventCounter}}.
> We should add some info how to enable this (or maybe even enable it by
> default?).
> The appender needs to be added in two places, shown here:
> {noformat}
> hbase.root.logger=INFO,console
> ...
> # Define the root logger to the system property "hbase.root.logger".
> log4j.rootLogger=${hbase.root.logger}, EventCounter
> log4j.appender.EventCounter=org.apache.hadoop.log.metrics.EventCounter
> {noformat}
> We could simply add this commented out akin to the {{hbase-env.sh}}.
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