[
https://issues.apache.org/jira/browse/HBASE-21186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753937#comment-16753937
]
Sahil Aggarwal commented on HBASE-21186:
----------------------------------------
>From my observation with ~ 2200 regions on 4 RS:
* Master is able to call assign region rpc pretty quick hence didn't find any
bottleneck at master side as RS queue up the RPC in the executor unbounded
workQueue.
* Region server was taking too much time in completing the assign region RPC
as in parallel it will execute only
hbase.regionserver.executor.openregion.threads number of RPCs at a time.
* Increasing the threads probably only execute more assign region RPC
parallely.
Let me check on how Master is making assign region RPC and if depends on any
other config too, then probably we can come up with the formula you are
suggesting.
> Document hbase.regionserver.executor.openregion.threads in MTTR section
> -----------------------------------------------------------------------
>
> Key: HBASE-21186
> URL: https://issues.apache.org/jira/browse/HBASE-21186
> Project: HBase
> Issue Type: Improvement
> Components: documentation
> Reporter: Sahil Aggarwal
> Assignee: Sahil Aggarwal
> Priority: Minor
> Attachments: HBASE-21186.master.001.patch,
> HBASE-21186.master.002.patch
>
>
> hbase.regionserver.executor.openregion.threads helps in improving MTTR by
> increasing assign rpc processing rate at RS from HMaster but is not
> documented.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
