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https://issues.apache.org/jira/browse/HBASE-15617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15291649#comment-15291649
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Hudson commented on HBASE-15617:
--------------------------------
ABORTED: Integrated in HBase-0.98-matrix #346 (See
[https://builds.apache.org/job/HBase-0.98-matrix/346/])
HBASE-15617 Canary in regionserver mode might not enumerate all (apurtell: rev
8dfbdc9e155ebe987ed1855b3192f8cc0fbedd9d)
* hbase-server/src/test/java/org/apache/hadoop/hbase/tool/TestCanaryTool.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/tool/Canary.java
> Canary in regionserver mode might not enumerate all regionservers
> -----------------------------------------------------------------
>
> Key: HBASE-15617
> URL: https://issues.apache.org/jira/browse/HBASE-15617
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: Andrew Purtell
> Assignee: Sanjeev Lakshmanan
> Priority: Minor
> Labels: beginner
> Fix For: 2.0.0, 1.3.0, 1.2.2, 0.98.20
>
> Attachments: HBASE-15617-v1.patch, HBASE-15617.patch
>
>
> When running in regionserver mode the Canary is expected to probe for service
> health one time per regionserver during a probe interval.
> Each time the canary chore fires, we create a RegionServerMonitor, which uses
> filterRegionServerByName (via getAllRegionServerByName) to enumerate over all
> table descriptors, find the locations for each table, then assemble the list
> of regionservers to probe from this result. The list may not contain all live
> regionservers, if there is a regionserver up but for some reason not serving
> any regions. To ensure we have the complete list of live regionservers I
> think it would be better to use Admin#getClusterStatus and enumerate the live
> server list returned in the result.
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