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https://issues.apache.org/jira/browse/HBASE-19253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16253003#comment-16253003
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binlijin commented on HBASE-19253:
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bq. How is the max determined ?
Just random select.
bq. When would the if block be executed ? It seems once the sleep is executed,
subsequent iterations would always sleep.
The handlerCount can be changed when update_config. First start 8 (default)
FlushHandler workers and only 2 do the flush the others just sleep, when
handlerCount changed dynamic, the number of workers can do flush changed.
bq. getFlusherThreadNum -> getFlusherThreadCount
OK.
bq. The second if can be 'else if'
OK.
> Dynamic change MemStoreFlusher FlushHandler workers
> ---------------------------------------------------
>
> Key: HBASE-19253
> URL: https://issues.apache.org/jira/browse/HBASE-19253
> Project: HBase
> Issue Type: Improvement
> Reporter: binlijin
> Assignee: binlijin
> Attachments: HBASE-19253.master.001.patch,
> HBASE-19253.master.002.patch
>
>
> Use update_config to dynamic change MemStoreFlusher FlushHandler workers
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