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https://issues.apache.org/jira/browse/HBASE-22039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang updated HBASE-22039:
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Attachment: HBASE-22039-v1.patch
> Should add the synchronous parameter for the XXXSwitch method in AsyncAdmin
> ---------------------------------------------------------------------------
>
> Key: HBASE-22039
> URL: https://issues.apache.org/jira/browse/HBASE-22039
> Project: HBase
> Issue Type: Sub-task
> Components: Admin, asyncclient, Client
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: 3.0.0, 2.2.0, 2.3.0
>
> Attachments: HBASE-22039-v1.patch, HBASE-22039-v1.patch,
> HBASE-22039.patch
>
>
> For now we always pass true to HMaster, maybe the decision is that user just
> do not need to calling get on the returned Future if it wants asynchronous.
> But the problem here is that, the return value is not void, it is a boolean,
> which is the previous state of the flag, sometimes users do not need to wait
> until the previous transitions or split/merge to complete, but they still
> want to get the previous value of the flag.
> So we still need to provide the synchronous parameter.
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