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https://issues.apache.org/jira/browse/HBASE-12434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14200934#comment-14200934
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Andrew Purtell commented on HBASE-12434:
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+1
We could do the work of the new admin API in the shell but this could be useful
for a Java admin API client also.
We could probably overload the existing 'compact' command to invoke the new API
if it detects a regionserver name instead of a region name but that's
unnecessary work IMO.
> Add a command to compact all the regions in a regionserver
> ----------------------------------------------------------
>
> Key: HBASE-12434
> URL: https://issues.apache.org/jira/browse/HBASE-12434
> Project: HBase
> Issue Type: Improvement
> Components: shell
> Reporter: Liu Shaohui
> Assignee: Liu Shaohui
> Priority: Minor
> Fix For: 2.0.0
>
> Attachments: HBASE-12434-v1.diff
>
>
> When adding a new regionserver to the hbase cluster, the data locality of the
> regions in the new regionserver is very low. Most read hdfs requests from
> these regions are remote read, not local read. So, the latency of read
> request to these regions is not stable.
> Usually we can compact all the regions in the new regionserver to improve the
> data locality in offpeak.
> So we add a command: compact_rs in hbase shell.
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