Pranith can you send the client and bricks logs.
Thanks,
Susant~
----- Original Message -----
From: "Pranith Kumar Karampuri" <pkarampu@xxxxxxxxxx>
To: "Franco Broi" <franco.broi@xxxxxxxxxx>
Cc: gluster-users@xxxxxxxxxxx, "Raghavendra Gowdappa" <rgowdapp@xxxxxxxxxx>, spalai@xxxxxxxxxx, kdhananj@xxxxxxxxxx, vsomyaju@xxxxxxxxxx, nbalacha@xxxxxxxxxx
Sent: Wednesday, 4 June, 2014 7:53:41 AM
Subject: Re: glusterfsd process spinning
hi Franco,
CC Devs who work on DHT to comment.
Pranith
On 06/04/2014 07:39 AM, Franco Broi wrote:
> On Wed, 2014-06-04 at 07:28 +0530, Pranith Kumar Karampuri wrote:
>> Franco,
>> Thanks for providing the logs. I just copied over the logs to my
>> machine. Most of the logs I see are related to "No such File or
>> Directory" I wonder what lead to this. Do you have any idea?
> No but I'm just looking at my 3.5 Gluster volume and it has a directory
> that looks empty but can't be deleted. When I look at the directories on
> the servers there are definitely files in there.
>
> [franco@charlie1 franco]$ rmdir /data2/franco/dir1226/dir25
> rmdir: failed to remove `/data2/franco/dir1226/dir25': Directory not empty
> [franco@charlie1 franco]$ ls -la /data2/franco/dir1226/dir25
> total 8
> drwxrwxr-x 2 franco support 60 May 21 03:58 .
> drwxrwxr-x 3 franco support 24 Jun 4 09:37 ..
>
> [root@nas6 ~]# ls -la /data*/gvol/franco/dir1226/dir25
> /data21/gvol/franco/dir1226/dir25:
> total 2081
> drwxrwxr-x 13 1348 200 13 May 21 03:58 .
> drwxrwxr-x 3 1348 200 3 May 21 03:58 ..
> drwxrwxr-x 2 1348 200 2 May 16 12:05 dir13017
> drwxrwxr-x 2 1348 200 2 May 16 12:05 dir13018
> drwxrwxr-x 2 1348 200 3 May 16 12:05 dir13020
> drwxrwxr-x 2 1348 200 3 May 16 12:05 dir13021
> drwxrwxr-x 2 1348 200 3 May 16 12:05 dir13022
> drwxrwxr-x 2 1348 200 2 May 16 12:05 dir13024
> drwxrwxr-x 2 1348 200 2 May 16 12:05 dir13027
> drwxrwxr-x 2 1348 200 3 May 16 12:05 dir13028
> drwxrwxr-x 2 1348 200 2 May 16 12:06 dir13029
> drwxrwxr-x 2 1348 200 2 May 16 12:06 dir13031
> drwxrwxr-x 2 1348 200 3 May 16 12:06 dir13032
>
> /data22/gvol/franco/dir1226/dir25:
> total 2084
> drwxrwxr-x 13 1348 200 13 May 21 03:58 .
> drwxrwxr-x 3 1348 200 3 May 21 03:58 ..
> drwxrwxr-x 2 1348 200 2 May 16 12:05 dir13017
> drwxrwxr-x 2 1348 200 2 May 16 12:05 dir13018
> drwxrwxr-x 2 1348 200 2 May 16 12:05 dir13020
> drwxrwxr-x 2 1348 200 2 May 16 12:05 dir13021
> drwxrwxr-x 2 1348 200 2 May 16 12:05 dir13022
> .....
>
> Maybe Gluster is losing track of the files??
>
>> Pranith
>>
>> On 06/02/2014 02:48 PM, Franco Broi wrote:
>>> Hi Pranith
>>>
>>> Here's a listing of the brick logs, looks very odd especially the size
>>> of the log for data10.
>>>
>>> [root@nas3 bricks]# ls -ltrh
>>> total 2.6G
>>> -rw------- 1 root root 381K May 13 12:15 data12-gvol.log-20140511
>>> -rw------- 1 root root 430M May 13 12:15 data11-gvol.log-20140511
>>> -rw------- 1 root root 328K May 13 12:15 data9-gvol.log-20140511
>>> -rw------- 1 root root 2.0M May 13 12:15 data10-gvol.log-20140511
>>> -rw------- 1 root root 0 May 18 03:43 data10-gvol.log-20140525
>>> -rw------- 1 root root 0 May 18 03:43 data11-gvol.log-20140525
>>> -rw------- 1 root root 0 May 18 03:43 data12-gvol.log-20140525
>>> -rw------- 1 root root 0 May 18 03:43 data9-gvol.log-20140525
>>> -rw------- 1 root root 0 May 25 03:19 data10-gvol.log-20140601
>>> -rw------- 1 root root 0 May 25 03:19 data11-gvol.log-20140601
>>> -rw------- 1 root root 0 May 25 03:19 data9-gvol.log-20140601
>>> -rw------- 1 root root 98M May 26 03:04 data12-gvol.log-20140518
>>> -rw------- 1 root root 0 Jun 1 03:37 data10-gvol.log
>>> -rw------- 1 root root 0 Jun 1 03:37 data11-gvol.log
>>> -rw------- 1 root root 0 Jun 1 03:37 data12-gvol.log
>>> -rw------- 1 root root 0 Jun 1 03:37 data9-gvol.log
>>> -rw------- 1 root root 1.8G Jun 2 16:35 data10-gvol.log-20140518
>>> -rw------- 1 root root 279M Jun 2 16:35 data9-gvol.log-20140518
>>> -rw------- 1 root root 328K Jun 2 16:35 data12-gvol.log-20140601
>>> -rw------- 1 root root 8.3M Jun 2 16:35 data11-gvol.log-20140518
>>>
>>> Too big to post everything.
>>>
>>> Cheers,
>>>
>>> On Sun, 2014-06-01 at 22:00 -0400, Pranith Kumar Karampuri wrote:
>>>> ----- Original Message -----
>>>>> From: "Pranith Kumar Karampuri" <pkarampu@xxxxxxxxxx>
>>>>> To: "Franco Broi" <franco.broi@xxxxxxxxxx>
>>>>> Cc: gluster-users@xxxxxxxxxxx
>>>>> Sent: Monday, June 2, 2014 7:01:34 AM
>>>>> Subject: Re: glusterfsd process spinning
>>>>>
>>>>>
>>>>>
>>>>> ----- Original Message -----
>>>>>> From: "Franco Broi" <franco.broi@xxxxxxxxxx>
>>>>>> To: "Pranith Kumar Karampuri" <pkarampu@xxxxxxxxxx>
>>>>>> Cc: gluster-users@xxxxxxxxxxx
>>>>>> Sent: Sunday, June 1, 2014 10:53:51 AM
>>>>>> Subject: Re: glusterfsd process spinning
>>>>>>
>>>>>>
>>>>>> The volume is almost completely idle now and the CPU for the brick
>>>>>> process has returned to normal. I've included the profile and I think it
>>>>>> shows the latency for the bad brick (data12) is unusually high, probably
>>>>>> indicating the filesystem is at fault after all??
>>>>> I am not sure if we can believe the outputs now that you say the brick
>>>>> returned to normal. Next time it is acting up, do the same procedure and
>>>>> post the result.
>>>> On second thought may be its not a bad idea to inspect the log files of the bricks in nas3. Could you post them.
>>>>
>>>> Pranith
>>>>
>>>>> Pranith
>>>>>> On Sun, 2014-06-01 at 01:01 -0400, Pranith Kumar Karampuri wrote:
>>>>>>> Franco,
>>>>>>> Could you do the following to get more information:
>>>>>>>
>>>>>>> "gluster volume profile <volname> start"
>>>>>>>
>>>>>>> Wait for some time, this will start gathering what operations are coming
>>>>>>> to
>>>>>>> all the bricks"
>>>>>>> Now execute "gluster volume profile <volname> info" >
>>>>>>> /file/you/should/reply/to/this/mail/with
>>>>>>>
>>>>>>> Then execute:
>>>>>>> gluster volume profile <volname> stop
>>>>>>>
>>>>>>> Lets see if this throws any light on the problem at hand
>>>>>>>
>>>>>>> Pranith
>>>>>>> ----- Original Message -----
>>>>>>>> From: "Franco Broi" <franco.broi@xxxxxxxxxx>
>>>>>>>> To: gluster-users@xxxxxxxxxxx
>>>>>>>> Sent: Sunday, June 1, 2014 9:02:48 AM
>>>>>>>> Subject: glusterfsd process spinning
>>>>>>>>
>>>>>>>> Hi
>>>>>>>>
>>>>>>>> I've been suffering from continual problems with my gluster filesystem
>>>>>>>> slowing down due to what I thought was congestion on a single brick
>>>>>>>> being caused by a problem with the underlying filesystem running slow
>>>>>>>> but I've just noticed that the glusterfsd process for that particular
>>>>>>>> brick is running at 100%+, even when the filesystem is almost idle.
>>>>>>>>
>>>>>>>> I've done a couple of straces of the brick and another on the same
>>>>>>>> server, does the high number of futex errors give any clues as to what
>>>>>>>> might be wrong?
>>>>>>>>
>>>>>>>> % time seconds usecs/call calls errors syscall
>>>>>>>> ------ ----------- ----------- --------- --------- ----------------
>>>>>>>> 45.58 0.027554 0 191665 20772 futex
>>>>>>>> 28.26 0.017084 0 137133 readv
>>>>>>>> 26.04 0.015743 0 66259 epoll_wait
>>>>>>>> 0.13 0.000077 3 23 writev
>>>>>>>> 0.00 0.000000 0 1 epoll_ctl
>>>>>>>> ------ ----------- ----------- --------- --------- ----------------
>>>>>>>> 100.00 0.060458 395081 20772 total
>>>>>>>>
>>>>>>>> % time seconds usecs/call calls errors syscall
>>>>>>>> ------ ----------- ----------- --------- --------- ----------------
>>>>>>>> 99.25 0.334020 133 2516 epoll_wait
>>>>>>>> 0.40 0.001347 0 4090 26 futex
>>>>>>>> 0.35 0.001192 0 5064 readv
>>>>>>>> 0.00 0.000000 0 20 writev
>>>>>>>> ------ ----------- ----------- --------- --------- ----------------
>>>>>>>> 100.00 0.336559 11690 26 total
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Cheers,
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Gluster-users mailing list
>>>>>>>> Gluster-users@xxxxxxxxxxx
>>>>>>>> http://supercolony.gluster.org/mailman/listinfo/gluster-users
>>>>>>>>
>
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