[jira] [Updated] (ACCUMULO-4389) ReplicationOperations().drain(..) may return too quickly

["Josh Elser (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ACCUMULO-4389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Josh Elser updated ACCUMULO-4389:
---------------------------------
    Component/s: replication

> ReplicationOperations().drain(..) may return too quickly
> --------------------------------------------------------
>
>                 Key: ACCUMULO-4389
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4389
>             Project: Accumulo
>          Issue Type: Bug
>          Components: replication
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>            Priority: Critical
>             Fix For: 1.7.4, 1.8.2, 2.0.0
>
>
> Was taking a look at some logs from automated tests that [~romil.choksi] sent my way and noticed that MultiInstanceReplicationIT was failing infrequently.
> Looking at the output, I can see that the call was returning very quickly (essentially in the amount of time the RPC would take on the slow test hardware)
> {noformat}
> Drain completed in 25ms
> {noformat}
> Looking at the implementation of {{MasterClientServiceHandler.drainReplicationTable(...)}}, it's not handling the references we read from the metadata table correctly. I believe this is causing the test to return too quickly.



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