[Gluster-users] High load on glusterfsd process

[ABHISHEK PALIWAL]

What is the way to take this patch on Gluster 3.7.6 or only way to upgrade
the version?

On Mon, Apr 24, 2017 at 3:22 PM, ABHISHEK PALIWAL <abhishpaliwal at gmail.com>
wrote:

> Hi Kotresh,
>
> I have seen the patch available on the link which you shared. It seems we
> don't have some files in gluser 3.7.6 which you modified in the patch.
>
> Is there any possibility to provide the patch for Gluster 3.7.6?
>
> Regards,
> Abhishek
>
> On Mon, Apr 24, 2017 at 3:07 PM, Kotresh Hiremath Ravishankar <
> khiremat at redhat.com> wrote:
>
>> Hi Abhishek,
>>
>> Bitrot requires versioning of files to be down on writes.
>> This was being done irrespective of whether bitrot is
>> enabled or not. This takes considerable CPU. With the
>> fix https://review.gluster.org/#/c/14442/, it is made
>> optional and is enabled only with bitrot. If bitrot
>> is not enabled, then you won't see any setxattr/getxattrs
>> related to bitrot.
>>
>> The fix would be available in 3.11.
>>
>>
>> Thanks and Regards,
>> Kotresh H R
>>
>> ----- Original Message -----
>> > From: "ABHISHEK PALIWAL" <abhishpaliwal at gmail.com>
>> > To: "Pranith Kumar Karampuri" <pkarampu at redhat.com>
>> > Cc: "Gluster Devel" <gluster-devel at gluster.org>, "gluster-users" <
>> gluster-users at gluster.org>, "Kotresh Hiremath
>> > Ravishankar" <khiremat at redhat.com>
>> > Sent: Monday, April 24, 2017 11:30:57 AM
>> > Subject: Re: [Gluster-users] High load on glusterfsd process
>> >
>> > Hi Kotresh,
>> >
>> > Could you please update me on this?
>> >
>> > Regards,
>> > Abhishek
>> >
>> > On Sat, Apr 22, 2017 at 12:31 PM, Pranith Kumar Karampuri <
>> > pkarampu at redhat.com> wrote:
>> >
>> > > +Kotresh who seems to have worked on the bug you mentioned.
>> > >
>> > > On Fri, Apr 21, 2017 at 12:21 PM, ABHISHEK PALIWAL <
>> > > abhishpaliwal at gmail.com> wrote:
>> > >
>> > >>
>> > >> If the patch provided in that case will resolve my bug as well then
>> > >> please provide the patch so that I will backport it on 3.7.6
>> > >>
>> > >> On Fri, Apr 21, 2017 at 11:30 AM, ABHISHEK PALIWAL <
>> > >> abhishpaliwal at gmail.com> wrote:
>> > >>
>> > >>> Hi Team,
>> > >>>
>> > >>> I have noticed that there are so many glusterfsd threads are
>> running in
>> > >>> my system and we observed some of those thread consuming more cpu. I
>> > >>> did “strace” on two such threads (before the problem disappeared by
>> > >>> itself)
>> > >>> and found that there is a continuous activity like below:
>> > >>>
>> > >>> lstat("/opt/lvmdir/c2/brick/.glusterfs/e7/7d/e77d12b3-92f8-4
>> > >>> dfe-9a7f-246e901cbdf1/002700/firewall_-J208482-4000025_20170
>> 126T113552+0000.log.gz",
>> > >>> {st_mode=S_IFREG|0670, st_size=1995, ...}) = 0
>> > >>> lgetxattr("/opt/lvmdir/c2/brick/.glusterfs/e7/7d/e77d12b3-92
>> > >>> f8-4dfe-9a7f-246e901cbdf1/002700/firewall_-J208482-4000025_
>> 20170126T113552+0000.log.gz",
>> > >>> "trusted.bit-rot.bad-file", 0x3fff81f58550, 255) = -1 ENODATA (No
>> data
>> > >>> available)
>> > >>> lgetxattr("/opt/lvmdir/c2/brick/.glusterfs/e7/7d/e77d12b3-92
>> > >>> f8-4dfe-9a7f-246e901cbdf1/002700/firewall_-J208482-4000025_
>> 20170126T113552+0000.log.gz",
>> > >>> "trusted.bit-rot.signature", 0x3fff81f58550, 255) = -1 ENODATA (No
>> data
>> > >>> available)
>> > >>> lstat("/opt/lvmdir/c2/brick/.glusterfs/e7/7d/e77d12b3-92f8-4
>> > >>> dfe-9a7f-246e901cbdf1/002700/tcli_-J208482-4000025_20170123T
>> 180550+0000.log.gz",
>> > >>> {st_mode=S_IFREG|0670, st_size=169, ...}) = 0
>> > >>> lgetxattr("/opt/lvmdir/c2/brick/.glusterfs/e7/7d/e77d12b3-92
>> > >>> f8-4dfe-9a7f-246e901cbdf1/002700/tcli_-J208482-4000025_20170
>> 123T180550+0000.log.gz",
>> > >>> "trusted.bit-rot.bad-file", 0x3fff81f58550, 255) = -1 ENODATA (No
>> data
>> > >>> available)
>> > >>> lgetxattr("/opt/lvmdir/c2/brick/.glusterfs/e7/7d/e77d12b3-92
>> > >>> f8-4dfe-9a7f-246e901cbdf1/002700/tcli_-J208482-4000025_20170
>> 123T180550+0000.log.gz",
>> > >>> "trusted.bit-rot.signature", 0x3fff81f58550, 255) = -1 ENODATA (No
>> data
>> > >>> available)
>> > >>>
>> > >>> I have found the below existing issue which is very similar to my
>> > >>> scenario.
>> > >>>
>> > >>> https://bugzilla.redhat.com/show_bug.cgi?id=1298258
>> > >>>
>> > >>> We are using the gluster-3.7.6 and it seems that the issue is fixed
>> in
>> > >>> 3.8.4 version.
>> > >>>
>> > >>> Could you please let me know why it showing the number of above
>> logs and
>> > >>> reason behind it as it is not explained in the above bug.
>> > >>>
>> > >>> Regards,
>> > >>> Abhishek
>> > >>>
>> > >>> --
>> > >>>
>> > >>>
>> > >>>
>> > >>>
>> > >>> Regards
>> > >>> Abhishek Paliwal
>> > >>>
>> > >>
>> > >>
>> > >>
>> > >> --
>> > >>
>> > >>
>> > >>
>> > >>
>> > >> Regards
>> > >> Abhishek Paliwal
>> > >>
>> > >> _______________________________________________
>> > >> Gluster-users mailing list
>> > >> Gluster-users at gluster.org
>> > >> http://lists.gluster.org/mailman/listinfo/gluster-users
>> > >>
>> > >
>> > >
>> > >
>> > > --
>> > > Pranith
>> > >
>> >
>> >
>> >
>> > --
>> >
>> >
>> >
>> >
>> > Regards
>> > Abhishek Paliwal
>> >
>>
>
>
>
> --
>
>
>
>
> Regards
> Abhishek Paliwal
>



-- 




Regards
Abhishek Paliwal
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