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https://issues.apache.org/jira/browse/HDFS-16848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17635800#comment-17635800
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ASF GitHub Bot commented on HDFS-16848:
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howzi commented on PR #5147:
URL: https://github.com/apache/hadoop/pull/5147#issuecomment-1319819705
> @howzi Hello, thank you very much for your contribution, but this seems to
create more pressure on zk. I'm a bit worried that zk will have problems if
executed concurrently.
>
> @ZanderXu Can you help review this pr?
Thank you for reply, it exactly create more pressure on zk for some moment,
but didn't create more read/write requests. Maybe it shouldn't be a default
configuration
> RBF:Improving StateStoreZookeeperImpl
> --------------------------------------
>
> Key: HDFS-16848
> URL: https://issues.apache.org/jira/browse/HDFS-16848
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: rbf
> Reporter: Sun Hao
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
>
> Currently, router is getting/updating state from zk sequentially. It will
> slowdown router load/update state cache especially for a large cluster or a
> multi region cluster.
> We propose adding a threadpool to deal with zk state synchronization。
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