[jira] [Assigned] (HBASE-29380) Two concurrent remove peer requests may hang

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

     [ https://issues.apache.org/jira/browse/HBASE-29380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Duo Zhang reassigned HBASE-29380:
---------------------------------

    Assignee: Duo Zhang

> Two concurrent remove peer requests may hang
> --------------------------------------------
>
>                 Key: HBASE-29380
>                 URL: https://issues.apache.org/jira/browse/HBASE-29380
>             Project: HBase
>          Issue Type: Bug
>          Components: proc-v2, Replication
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>            Priority: Critical
>
> TestAsyncReplicationAdminApi fails about 75% on flaky dashboard.
> Tried locally, sometimes testRemovePeerTableCFs may hang.
> The situation here is that, at the end of this test method, we will call
> admin.removeReplicationPeer(ID_ONE);
> The admin here is an AsyncAdmin, so it will return immediately, and then in the Junit's AFter methods, we will call
> admin.removeReplicationPeer(ID_ONE).join();
> Sometimes, if the first request runs first, the remove peer procedure for the second one will not wake up so we hang there forever.
> Need to dig more.



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