[Gluster-devel] High load on glusterfsd process

ABHISHEK PALIWAL abhishpaliwal at gmail.com
Fri Apr 21 06:00:36 UTC 2017


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/e77d12b3-92f8-4dfe-9a7f-246e901cbdf1/002700/firewall_-J208482-4000025_20170126T113552+0000.log.gz",
{st_mode=S_IFREG|0670, st_size=1995, ...}) = 0
lgetxattr("/opt/lvmdir/c2/brick/.glusterfs/e7/7d/e77d12b3-92f8-4dfe-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/e77d12b3-92f8-4dfe-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/e77d12b3-92f8-4dfe-9a7f-246e901cbdf1/002700/tcli_-J208482-4000025_20170123T180550+0000.log.gz",
{st_mode=S_IFREG|0670, st_size=169, ...}) = 0
lgetxattr("/opt/lvmdir/c2/brick/.glusterfs/e7/7d/e77d12b3-92f8-4dfe-9a7f-246e901cbdf1/002700/tcli_-J208482-4000025_20170123T180550+0000.log.gz",
"trusted.bit-rot.bad-file", 0x3fff81f58550, 255) = -1 ENODATA (No data
available)
lgetxattr("/opt/lvmdir/c2/brick/.glusterfs/e7/7d/e77d12b3-92f8-4dfe-9a7f-246e901cbdf1/002700/tcli_-J208482-4000025_20170123T180550+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
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