[Gluster-devel] [Gluster-users] Possible memory leak ?

Lalatendu Mohanty lmohanty at redhat.com
Thu Sep 12 20:44:05 UTC 2013


On 09/12/2013 07:01 AM, haiwei.xie-soulinfo wrote:
> hi,
>     We meet memory leak in 3.4.0 & sambavfs.
>     With mounting cifs, our application runs,'VIRT' of smbd process will increase untill oom-kill.
> using 'fsync/sync' or 'echo 1 > /proc/sys/vm/drop_caches' can't resolve it. With mounting fuse, no memory leaks.
>
>     I guess fuse API or samba-gluster-vfs  has bug, any advise?
>     Thanks,
Do you have any back trace for the crash, log messages  or anything that 
would help us debug the issue?

-Lala
> -terrs
>
>> I'm aware of 2 different kinds of memory leaks on 3.3.1, one is in
>> geo-replication and another one is native client side memory leak.
>> Sadly both got mixed in https://bugzilla.redhat.com/show_bug.cgi?id=841617
>>
>> I can tell you that geo-replication leak is still present in 3.4.0 and
>> native client leak isn't but I don't know what patch you need to backport :(
>>
>>
>> On Wed, Sep 11, 2013 at 1:16 PM, John Ewing <johnewing1 at gmail.com> wrote:
>>
>>> Hi,
>>>
>>> I am using gluster 3.3.1 on Centos 6, installed from
>>> the glusterfs-3.3.1-1.el6.x86_64.rpm rpms.
>>> I am seeing the Committed_AS memory continually increasing and the
>>> processes  using the memory are glusterfsd instances.
>>>
>>> see http://imgur.com/K3dalTW for graph.
>>>
>>> Both nodes are exhibiting the same behaviour, I have tried the suggested
>>>
>>> echo 2 > /proc/sys/vm/drop_caches
>>>
>>> but it made no difference. It there a known issue with 3.3.1 ?
>>>
>>> Thanks
>>>
>>> John
>>>
>>>
>>>
>>> _______________________________________________
>>> Gluster-users mailing list
>>> Gluster-users at gluster.org
>>> http://supercolony.gluster.org/mailman/listinfo/gluster-users
>>>
>
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