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https://issues.apache.org/jira/browse/HBASE-24958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17186226#comment-17186226
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wenfeiyi666 commented on HBASE-24958:
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We have done a comparative test with ycsb, flushInMemory has higher throughput
and more stable time-consuming, which is true in actual use.
> CompactingMemStore.timeOfOldestEdit error update
> ------------------------------------------------
>
> Key: HBASE-24958
> URL: https://issues.apache.org/jira/browse/HBASE-24958
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 3.0.0-alpha-1, 2.3.1, 2.2.5
> Reporter: wenfeiyi666
> Assignee: wenfeiyi666
> Priority: Critical
> Fix For: 3.0.0-alpha-1, 2.2.6, 2.3.2
>
>
> when use 'flush in memory', update timeOfOldestEdit every flush in memory,
> cause PeriodicMemStoreFlusher to not take effect, wals not free, constant
> backlog until maxlogs triggers forced flush, makes failure recovery slower
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