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https://issues.apache.org/jira/browse/HBASE-3223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12930881#action_12930881
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HBase Review Board commented on HBASE-3223:
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Message from: "Nicolas" <nspiegelb...@facebook.com>

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http://review.cloudera.org/r/1209/
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Review request for hbase.


Summary
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bin/hbase VersionInfo is a great existing utility to provide version info about 
Hbase jar files. Unfortunately, there is no way to currently get this 
information for the running process. For this jira, add an easy/quick way to 
see verify the rev of the running jar.
We got recently bit internally because our running jar was a different version 
from the jar that we had recently pushed and caused havoc on our cluster. This 
problem is more important to fix now that we have rolling upgrades and will 
regularly have cluster scenarios with mixed-version RSs.


This addresses bug HBASE-3223.
    http://issues.apache.org/jira/browse/HBASE-3223


Diffs
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  trunk/src/main/java/org/apache/hadoop/hbase/master/metrics/MasterMetrics.java 
1033788 
  trunk/src/main/java/org/apache/hadoop/hbase/metrics/HBaseInfo.java 
PRE-CREATION 
  trunk/src/main/java/org/apache/hadoop/hbase/metrics/MetricsMBeanBase.java 
1033788 
  trunk/src/main/java/org/apache/hadoop/hbase/metrics/MetricsString.java 
PRE-CREATION 
  
trunk/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerMetrics.java
 1033788 

Diff: http://review.cloudera.org/r/1209/diff


Testing
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loaded on dev cluster and verified that we this was exported via JMX


Thanks,

Nicolas




> Get VersionInfo for Running HBase Process
> -----------------------------------------
>
>                 Key: HBASE-3223
>                 URL: https://issues.apache.org/jira/browse/HBASE-3223
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Nicolas Spiegelberg
>            Assignee: Nicolas Spiegelberg
>             Fix For: 0.90.1
>
>
> bin/hbase VersionInfo is a great existing utility to provide version info 
> about Hbase jar files.  Unfortunately, there is no way to currently get this 
> information for the running process.  For this jira, add an easy/quick way to 
> see verify the rev of the running jar.
> We got recently bit internally because our running jar was a different 
> version from the jar that we had recently pushed and caused havoc on our 
> cluster.  This problem is more important to fix now that we have rolling 
> upgrades and will regularly have cluster scenarios with mixed-version RSs.

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