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https://issues.apache.org/jira/browse/HBASE-18624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16173360#comment-16173360
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Ajay Jadhav commented on HBASE-18624:
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Thanks [~ram_krish] for suggestions.
Generally, the perf tests are setup with a table and filled up with data with
caching, no caching, flushing memstore etc. for testing get queries. So, for
now, keeping it at the table level. Ideally, the API should be granular to
record level to be more precise in testing. I'll create a JIRA to make it more
granular and see if that can be optimized.
> Added support for clearing BlockCache
> -------------------------------------
>
> Key: HBASE-18624
> URL: https://issues.apache.org/jira/browse/HBASE-18624
> Project: HBase
> Issue Type: Sub-task
> Affects Versions: 2.0.0, 1.3.0
> Reporter: Ajay Jadhav
> Assignee: Ajay Jadhav
> Fix For: 1.4.0
>
> Attachments: HBASE-18624.branch-1.001.patch,
> HBASE-18624.master.001.patch
>
>
> Bulk loading the primary HBase cluster triggers a lot of compactions
> resulting in archival/ creation
> of multiple HFiles. This process will cause a lot of items to become stale in
> replica’s BlockCache.
> This patch will help users to clear the block cache for a given table by
> either using shell or API.
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