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From "Samarth Jain (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-3518) Memory Leak in RenewLeaseTask
Date Mon, 12 Dec 2016 20:03:58 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-3518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Samarth Jain updated PHOENIX-3518:
----------------------------------
    Fix Version/s: 4.10.0
                   4.9.1

> Memory Leak in RenewLeaseTask
> -----------------------------
>
>                 Key: PHOENIX-3518
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3518
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.7.0
>         Environment: 5.7.1-1.cdh5.7.1.p0.11 + jdk1.7.0_67
> 4.7.0-1.clabs_phoenix1.3.0.p0.000
> CentOS Linux release 7.0.1406 (Core)
> apache-tomcat-8.5.4 + jdk1.8.0_102 
>            Reporter: Jonathan Leech
>             Fix For: 4.9.1, 4.10.0
>
>         Attachments: PHOENIX-3518.patch, PHOENIX-3518_v2.patch
>
>
> Looks like PHOENIX-2357 introduced a memory leak, at least for me... I end up with old
gen filled up with objects - 100,000,000 instances each of WeakReference and LinkedBlockingQueue$Node,
owned by ConnectionQueryServicesImpl.connectionsQueue. The PhoenixConnection referred to by
the  WeakReference is null for all but the few active connections. I don't see anything in
the log - I can't confirm that it's logging properly though. Per the docs for ScheduledThreadPoolExecutor,
if the run method throws an error, further executions are suppressed.



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