[Gluster-devel] [Gluster-users] Memory leak in GlusterFS FUSE client

[Oleksandr Natalenko]

Brief test shows that Ganesha stopped leaking and crashing, so it seems 
to be good for me.

Nevertheless, back to my original question: what about FUSE client? It 
is still leaking despite all the fixes applied. Should it be considered 
another issue?

11.01.2016 12:26, Soumya Koduri написав:
> 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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