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https://issues.apache.org/jira/browse/HBASE-8420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jimmy Xiang updated HBASE-8420:
-------------------------------
Status: Patch Available (was: Open)
Attached v5. In case a submitted task is interrupted by cancel(), the
prefetched result size counter is reduced if it is already increased. Also
added some change to make the test not flaky by making sure the right region
scanner holder is used to check prefetching flag/counter in the test.
> Port HBASE-6874 Implement prefetching for scanners from 0.89-fb
> -----------------------------------------------------------------
>
> Key: HBASE-8420
> URL: https://issues.apache.org/jira/browse/HBASE-8420
> Project: HBase
> Issue Type: Improvement
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Attachments: 0.94-8420_v1.patch, 0.94-8420_v2.patch,
> trunk-8420_v1.patch, trunk-8420_v2.patch, trunk-8420_v3.patch,
> trunk-8420_v4.patch, trunk-8420_v5.patch
>
>
> This should help scanner performance. We should have it in trunk.
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