[jira] [Created] (HBASE-22039) Should add the synchronous parameter for the XXXSwitch method in AsyncAdmin

["Duo Zhang (JIRA)" <ji...@apache.org>]

Duo Zhang created HBASE-22039:
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             Summary: 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: Task
          Components: Admin, asyncclient, Client
            Reporter: Duo Zhang
             Fix For: 3.0.0, 2.2.0, 2.3.0, 2.1.5


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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