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From "Adam J Shook (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ACCUMULO-4787) Numerous leaked CLOSE_WAIT threads from TabletServer
Date Fri, 26 Jan 2018 17:10:00 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-4787?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Adam J Shook updated ACCUMULO-4787:
-----------------------------------
    Priority: Minor  (was: Major)

> Numerous leaked CLOSE_WAIT threads from TabletServer
> ----------------------------------------------------
>
>                 Key: ACCUMULO-4787
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4787
>             Project: Accumulo
>          Issue Type: Bug
>    Affects Versions: 1.8.1
>         Environment: * Ubuntu 14.04
> * HDFS 2.6.0 and 2.5.0 (in the middle of an upgrade cycle)
> * ZooKeeper 3.4.6
> * Accumulo 1.8.1
> * HotSpot 1.8.0_121
>            Reporter: Adam J Shook
>            Assignee: Adam J Shook
>            Priority: Minor
>
> I'm running into an issue across all environments where TabletServers are occupying a
large number of ports in a CLOSED_WAIT state writing to a DataNode at port 50010.  I'm seeing
numbers from around 12,000 to 20,000 ports.  In some instances, there were over 68k and
it was affecting other applications from getting a free port and they would fail to start
(which is how we found this in the first place).



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