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https://issues.apache.org/jira/browse/HBASE-22315?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ankit Singhal updated HBASE-22315:
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Attachment: HBASE-22315.branch-2.2.001.patch
> Adding some logging which helped us internally in debugging issues
> ------------------------------------------------------------------
>
> Key: HBASE-22315
> URL: https://issues.apache.org/jira/browse/HBASE-22315
> Project: HBase
> Issue Type: Bug
> Components: logging
> Affects Versions: 2.2.0
> Reporter: Ankit Singhal
> Priority: Major
> Attachments: HBASE-22315.branch-2.2.001.patch
>
>
> [~ted_yu]/[~elserj] has added some logging to debug certain cases(defined
> below) encountered during the testing.
>
> * Region replica ends up on the same RS - add debug log for
> RegionReplicaHostCostFunction
> * Debugging why regionservers are going down with Memstore compaction
> * When hbase:namespace table was not assigned
> * Logging in Procedure wals to debug HBASE-20552
> * HMaster not assigning regions properly with RSGroups feature
>
> Currently, it is sitting in our local branch but it would be good if we can
> add them upstream so others can also benefit from it.
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