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https://issues.apache.org/jira/browse/HBASE-14969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15125931#comment-15125931
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Duo Zhang commented on HBASE-14969:
-----------------------------------
The problem here is that {{hbase:meta}} is assigned to the RS so its
{{flushPressure}} is not 0 and cause the throughput limit differ from lower
bound.
It is only a testcase issue, can be fixed with an addendum. Let me try.
Thanks.
> Add throughput controller for flush
> -----------------------------------
>
> Key: HBASE-14969
> URL: https://issues.apache.org/jira/browse/HBASE-14969
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Affects Versions: 2.0.0, 1.3.0
> Reporter: Yu Li
> Assignee: Yu Li
> Fix For: 2.0.0, 1.3.0
>
> Attachments: HBASE-14969.branch-1.patch, HBASE-14969.patch,
> HBASE-14969_v10.patch, HBASE-14969_v2.patch, HBASE-14969_v3.patch,
> HBASE-14969_v4.patch, HBASE-14969_v5.patch, HBASE-14969_v6.patch,
> HBASE-14969_v9.patch, fd78628_9909808_compat_report.html,
> load-nothrottling.log, load-throttling.log
>
>
> In HBASE-8329 we added a throughput controller for compaction, to avoid spike
> caused by huge IO pressure like network/disk overflow. However, even with
> this control on, we are still observing disk utils near 100%, and by analysis
> we think this is caused by flush, especially when we increase the setting of
> {{hbase.hstore.flusher.count}}
> In this JIRA, we propose to add throughput control feature for flush, as a
> supplement of HBASE-8329 to better control IO pressure.
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