[jira] [Commented] (HBASE-16991) Make the initialization of AsyncConnection asynchronous

["Yu Li (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-16991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15628732#comment-15628732 ] 

Yu Li commented on HBASE-16991:
-------------------------------

It seems to me in UT cases we are still using blocking mode (future.get) although we already have {{createAsyncConnection}} returning a CompletableFuture, mind take use of it and make the UT an example of fully asynchronous?

Another question is that for blocking mode we no longer cache the connections for customer and depend on recommending user to only call create connection method once inside a single jvm process (honestly I don't even think this is a good idea...), but shall we follow the same pattern for async connections? If so we always have to block at the first time of getting connection although the implementation is non-blocking?

Thanks.

> Make the initialization of AsyncConnection asynchronous
> -------------------------------------------------------
>
>                 Key: HBASE-16991
>                 URL: https://issues.apache.org/jira/browse/HBASE-16991
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Client
>    Affects Versions: 2.0.0
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-16991.patch
>
>
> Now the ConnectionFactory.createAsyncConnection is still blocking. We should make it return a CompletableFuture to make the async client fully asynchronous.



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