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https://issues.apache.org/jira/browse/HBASE-20781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16523093#comment-16523093
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Duo Zhang commented on HBASE-20781:
-----------------------------------
The approach is fine. +1. But seems we broke some UTs?
> Save recalculating families in a WALEdit batch of Cells
> -------------------------------------------------------
>
> Key: HBASE-20781
> URL: https://issues.apache.org/jira/browse/HBASE-20781
> Project: HBase
> Issue Type: Sub-task
> Components: Performance
> Reporter: stack
> Assignee: stack
> Priority: Major
> Attachments: 2.0621.2.12782.cpu.svg, 2.0621.256k.51351.cpu.svg,
> 2.0623.families.121250.cpu.svg, HBASE-20781.branch-2.0.001.patch,
> HBASE-20781.master.001.patch
>
>
> Doing a doMiniBatchMutate, we calculate the set of families that the WALEdit
> Cells belong to up front but down after the RingBuffer when we make an
> FSWALEdit, we spin through all the Cells again to figure the set of families
> in a particularly painful way. Just pass the calculated family set in the
> WALEdit.
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