[jira] Commented: (ZOOKEEPER-792) zkpython memory leak

["Lei Zhang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12897986#action_12897986 ] 

Lei Zhang commented on ZOOKEEPER-792:
-------------------------------------

We've been using this patch in production (16-node cluster) for over a month. I'd like to have it go into never release. Can somebody please code review?

> zkpython memory leak
> --------------------
>
>                 Key: ZOOKEEPER-792
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-792
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: contrib-bindings
>    Affects Versions: 3.3.1
>         Environment: vmware workstation - guest OS:Linux python:2.4.3
>            Reporter: Lei Zhang
>            Assignee: Lei Zhang
>             Fix For: 3.3.2, 3.4.0
>
>         Attachments: ZOOKEEPER-792.patch
>
>
> We recently upgraded zookeeper from 3.2.1 to 3.3.1, now we are seeing less client deadlock on session expiration, which is a definite plus!
> Unfortunately we are seeing memory leak that requires our zk clients to be restarted every half-day. Valgrind result:
> ==8804== 25 (12 direct, 13 indirect) bytes in 1 blocks are definitely lost in loss record 255 of 670
> ==8804==    at 0x4021C42: calloc (vg_replace_malloc.c:418)
> ==8804==    by 0x5047B42: parse_acls (zookeeper.c:369)
> ==8804==    by 0x5047EF6: pyzoo_create (zookeeper.c:1009)
> ==8804==    by 0x40786CC: PyCFunction_Call (in /usr/lib/libpython2.4.so.1.0)
> ==8804==    by 0x40B31DC: PyEval_EvalFrame (in /usr/lib/libpython2.4.so.1.0)
> ==8804==    by 0x40B4485: PyEval_EvalCodeEx (in /usr/lib/libpython2.4.so.1.0)

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