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Posted to dev@lucene.apache.org by "Michael McCandless (JIRA)" <ji...@apache.org> on 2011/05/01 16:01:03 UTC

[jira] [Created] (LUCENE-3059) PulsingTermState.clone leaks memory

PulsingTermState.clone leaks memory
-----------------------------------

                 Key: LUCENE-3059
                 URL: https://issues.apache.org/jira/browse/LUCENE-3059
             Project: Lucene - Java
          Issue Type: Bug
    Affects Versions: 4.0
            Reporter: Michael McCandless
            Assignee: Michael McCandless
             Fix For: 4.0
         Attachments: LUCENE-3059.patch

I looked at the heap dump from the OOME this morning (thank you Uwe
for turning this on!), and I think it's a real memory leak.

Well, not really a leak; rather, the cloned PulsingTermState, which we
cache in the terms dict cache, is hanging onto large byte[]
unnecessarily.


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[jira] [Resolved] (LUCENE-3059) PulsingTermState.clone leaks memory

Posted by "Michael McCandless (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/LUCENE-3059?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael McCandless resolved LUCENE-3059.
----------------------------------------

    Resolution: Fixed

> PulsingTermState.clone leaks memory
> -----------------------------------
>
>                 Key: LUCENE-3059
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3059
>             Project: Lucene - Java
>          Issue Type: Bug
>    Affects Versions: 4.0
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 4.0
>
>         Attachments: LUCENE-3059.patch
>
>
> I looked at the heap dump from the OOME this morning (thank you Uwe
> for turning this on!), and I think it's a real memory leak.
> Well, not really a leak; rather, the cloned PulsingTermState, which we
> cache in the terms dict cache, is hanging onto large byte[]
> unnecessarily.

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[jira] [Updated] (LUCENE-3059) PulsingTermState.clone leaks memory

Posted by "Michael McCandless (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/LUCENE-3059?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael McCandless updated LUCENE-3059:
---------------------------------------

    Attachment: LUCENE-3059.patch

Patch.  I fixed PulsingTermState's clone to make a new PulsingTerm
state and then copy (like we do for StandardCodec).  I did the same
for SepCodec, though I don't think that one is leaking memory.


> PulsingTermState.clone leaks memory
> -----------------------------------
>
>                 Key: LUCENE-3059
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3059
>             Project: Lucene - Java
>          Issue Type: Bug
>    Affects Versions: 4.0
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 4.0
>
>         Attachments: LUCENE-3059.patch
>
>
> I looked at the heap dump from the OOME this morning (thank you Uwe
> for turning this on!), and I think it's a real memory leak.
> Well, not really a leak; rather, the cloned PulsingTermState, which we
> cache in the terms dict cache, is hanging onto large byte[]
> unnecessarily.

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