[Gluster-users] Memory leak in GlusterFS FUSE client

[Soumya Koduri]

I have made changes to fix the lookup leak in a different way (as 
discussed with Pranith) and uploaded them in the latest patch set #4
	- http://review.gluster.org/#/c/13096/

Please check if it resolves the mem leak and hopefully doesn't result in 
any assertion :)

Thanks,
Soumya

On 01/08/2016 05:04 PM, Soumya Koduri wrote:
> I could reproduce while testing deep directories with in the mount
> point. I root caus'ed the issue & had discussion with Pranith to
> understand the purpose and recommended way of taking nlookup on inodes.
>
> I shall make changes to my existing fix and post the patch soon.
> Thanks for your patience!
>
> -Soumya
>
> On 01/07/2016 07:34 PM, Oleksandr Natalenko wrote:
>> OK, I've patched GlusterFS v3.7.6 with 43570a01 and 5cffb56b (the most
>> recent
>> revisions) and NFS-Ganesha v2.3.0 with 8685abfc (most recent revision
>> too).
>>
>> On traversing GlusterFS volume with many files in one folder via NFS
>> mount I
>> get an assertion:
>>
>> ===
>> ganesha.nfsd: inode.c:716: __inode_forget: Assertion `inode->nlookup >=
>> nlookup' failed.
>> ===
>>
>> I used GDB on NFS-Ganesha process to get appropriate stacktraces:
>>
>> 1. short stacktrace of failed thread:
>>
>> https://gist.github.com/7f63bb99c530d26ded18
>>
>> 2. full stacktrace of failed thread:
>>
>> https://gist.github.com/d9bc7bc8f6a0bbff9e86
>>
>> 3. short stacktrace of all threads:
>>
>> https://gist.github.com/f31da7725306854c719f
>>
>> 4. full stacktrace of all threads:
>>
>> https://gist.github.com/65cbc562b01211ea5612
>>
>> GlusterFS volume configuration:
>>
>> https://gist.github.com/30f0129d16e25d4a5a52
>>
>> ganesha.conf:
>>
>> https://gist.github.com/9b5e59b8d6d8cb84c85d
>>
>> How I mount NFS share:
>>
>> ===
>> mount -t nfs4 127.0.0.1:/mail_boxes /mnt/tmp -o
>> defaults,_netdev,minorversion=2,noac,noacl,lookupcache=none,timeo=100
>> ===
>>
>> On четвер, 7 січня 2016 р. 12:06:42 EET Soumya Koduri wrote:
>>> Entries_HWMark = 500;
>>
>>
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