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https://issues.apache.org/jira/browse/HBASE-21512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang updated HBASE-21512:
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Hadoop Flags: Incompatible change
> Reimplement sync client based on async client
> ---------------------------------------------
>
> Key: HBASE-21512
> URL: https://issues.apache.org/jira/browse/HBASE-21512
> Project: HBase
> Issue Type: Umbrella
> Components: asyncclient, Client
> Reporter: Duo Zhang
> Priority: Major
> Fix For: 3.0.0
>
>
> At least for the RSProcedureDispatcher, with CompletableFuture we do not need
> to set a delay and use a thread pool any more, which could reduce the
> resource usage and also the latency.
> Once this is done, I think we can remove the ClusterConnection completely,
> and start to rewrite the old sync client based on the async client, which
> could reduce the code base a lot for our client.
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