[jira] Updated: (DIRSERVER-644) Memory Leak in Persistent search ?

["Emmanuel Lecharny (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DIRSERVER-644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Emmanuel Lecharny updated DIRSERVER-644:
----------------------------------------

    Affects Version/s: 1.5.4
        Fix Version/s:     (was: 1.0-RC4)
                       1.5.5

> Memory Leak in Persistent search ?
> ----------------------------------
>
>                 Key: DIRSERVER-644
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-644
>             Project: Directory ApacheDS
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.5.4, 1.0-RC3
>            Reporter: Emmanuel Lecharny
>            Priority: Blocker
>             Fix For: 1.5.5
>
>         Attachments: SearchTest.java
>
>
> After having profiled memory, it seems we have a memory leak in SessionRegistry.
> A little test (attached) does a search N times for N threads, and for each search, a OutstandingRequest is attached to the session. After a few thousands of search we fall in OOM. I've put some trace in those methods :
> SessionRegistry.addOutstandingRequest
> and
> SessionRegistry.removeOutstandingRequest
> Session Released
> addOutstandingRequest 2
> addOutstandingRequest 3
> addOutstandingRequest 4
> ... ( 100 requests)
> addOutstandingRequest 99
> addOutstandingRequest 100
> addOutstandingRequest 101
> remove session
> The SessionRegistry.removeOutstandingRequest is never called, except if an exception is raised (NamingException). 
> It may be on purpose ( persistent search), but we can't assume the server will be able to hold as many OutstandingRequest as we have search requests - or entries -.

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