Are there hang request in /sys/kernel/debug/ceph/xxxx/osdc
On Fri, Aug 24, 2018 at 9:32 PM Zhenshi Zhou <deaderzzs@xxxxxxxxx> wrote:
>
> I'm afaid that the client hangs again...the log shows:
>
> 2018-08-24 21:27:54.714334 [WRN] slow request 62.607608 seconds old, received at 2018-08-24 21:26:52.106633: client_request(client.213528:241811 getattr pAsLsXsFs #0x100002e7e5a 2018-08-24 21:26:52.106425 caller_uid=0, caller_gid=0{}) currently failed to rdlock, waiting
> 2018-08-24 21:27:54.714320 [WRN] 3 slow requests, 1 included below; oldest blocked for > 843.556758 secs
> 2018-08-24 21:27:24.713740 [WRN] slow request 32.606979 seconds old, received at 2018-08-24 21:26:52.106633: client_request(client.213528:241811 getattr pAsLsXsFs #0x100002e7e5a 2018-08-24 21:26:52.106425 caller_uid=0, caller_gid=0{}) currently failed to rdlock, waiting
> 2018-08-24 21:27:24.713729 [WRN] 3 slow requests, 1 included below; oldest blocked for > 813.556129 secs
> 2018-08-24 21:25:49.711778 [WRN] slow request 483.807963 seconds old, received at 2018-08-24 21:17:45.903726: client_request(client.213528:241810 getattr pAsLsXsFs #0x100002e7e5a 2018-08-24 21:17:45.903049 caller_uid=0, caller_gid=0{}) currently failed to rdlock, waiting
> 2018-08-24 21:25:49.711766 [WRN] 2 slow requests, 1 included below; oldest blocked for > 718.554206 secs
> 2018-08-24 21:21:54.707536 [WRN] client.213528 isn't responding to mclientcaps(revoke), ino 0x100002e7e5a pending pAsLsXsFr issued pAsLsXsFscr, sent 483.548912 seconds ago
> 2018-08-24 21:21:54.706930 [WRN] slow request 483.549363 seconds old, received at 2018-08-24 21:13:51.157483: client_request(client.267792:649065 setattr size=0 mtime=2018-08-24 21:13:51.163236 #0x100002e7e5a 2018-08-24 21:13:51.163236 caller_uid=0, caller_gid=0{}) currently failed to xlock, waiting
> 2018-08-24 21:21:54.706920 [WRN] 2 slow requests, 1 included below; oldest blocked for > 483.549363 secs
> 2018-08-24 21:21:49.706838 [WRN] slow request 243.803027 seconds old, received at 2018-08-24 21:17:45.903726: client_request(client.213528:241810 getattr pAsLsXsFs #0x100002e7e5a 2018-08-24 21:17:45.903049 caller_uid=0, caller_gid=0{}) currently failed to rdlock, waiting
> 2018-08-24 21:21:49.706828 [WRN] 2 slow requests, 1 included below; oldest blocked for > 478.549269 secs
> 2018-08-24 21:19:49.704294 [WRN] slow request 123.800486 seconds old, received at 2018-08-24 21:17:45.903726: client_request(client.213528:241810 getattr pAsLsXsFs #0x100002e7e5a 2018-08-24 21:17:45.903049 caller_uid=0, caller_gid=0{}) currently failed to rdlock, waiting
> 2018-08-24 21:19:49.704284 [WRN] 2 slow requests, 1 included below; oldest blocked for > 358.546729 secs
> 2018-08-24 21:18:49.703073 [WRN] slow request 63.799269 seconds old, received at 2018-08-24 21:17:45.903726: client_request(client.213528:241810 getattr pAsLsXsFs #0x100002e7e5a 2018-08-24 21:17:45.903049 caller_uid=0, caller_gid=0{}) currently failed to rdlock, waiting
> 2018-08-24 21:18:49.703062 [WRN] 2 slow requests, 1 included below; oldest blocked for > 298.545511 secs
> 2018-08-24 21:18:19.702465 [WRN] slow request 33.798637 seconds old, received at 2018-08-24 21:17:45.903726: client_request(client.213528:241810 getattr pAsLsXsFs #0x100002e7e5a 2018-08-24 21:17:45.903049 caller_uid=0, caller_gid=0{}) currently failed to rdlock, waiting
> 2018-08-24 21:18:19.702456 [WRN] 2 slow requests, 1 included below; oldest blocked for > 268.544880 secs
> 2018-08-24 21:17:54.702517 [WRN] client.213528 isn't responding to mclientcaps(revoke), ino 0x100002e7e5a pending pAsLsXsFr issued pAsLsXsFscr, sent 243.543893 seconds ago
> 2018-08-24 21:17:54.701904 [WRN] slow request 243.544331 seconds old, received at 2018-08-24 21:13:51.157483: client_request(client.267792:649065 setattr size=0 mtime=2018-08-24 21:13:51.163236 #0x100002e7e5a 2018-08-24 21:13:51.163236 caller_uid=0, caller_gid=0{}) currently failed to xlock, waiting
> 2018-08-24 21:17:54.701894 [WRN] 1 slow requests, 1 included below; oldest blocked for > 243.544331 secs
> 2018-08-24 21:15:54.700034 [WRN] client.213528 isn't responding to mclientcaps(revoke), ino 0x100002e7e5a pending pAsLsXsFr issued pAsLsXsFscr, sent 123.541410 seconds ago
> 2018-08-24 21:15:54.699385 [WRN] slow request 123.541822 seconds old, received at 2018-08-24 21:13:51.157483: client_request(client.267792:649065 setattr size=0 mtime=2018-08-24 21:13:51.163236 #0x100002e7e5a 2018-08-24 21:13:51.163236 caller_uid=0, caller_gid=0{}) currently failed to xlock, waiting
> 2018-08-24 21:15:54.699375 [WRN] 1 slow requests, 1 included below; oldest blocked for > 123.541822 secs
> 2018-08-24 21:14:57.055183 [WRN] Health check failed: 1 clients failing to respond to capability release (MDS_CLIENT_LATE_RELEASE)
> 2018-08-24 21:14:56.167868 [WRN] MDS health message (mds.0): Client docker39 failing to respond to capability release
> 2018-08-24 21:14:54.698753 [WRN] client.213528 isn't responding to mclientcaps(revoke), ino 0x100002e7e5a pending pAsLsXsFr issued pAsLsXsFscr, sent 63.540127 seconds ago
> 2018-08-24 21:14:54.698104 [WRN] slow request 63.540533 seconds old, received at 2018-08-24 21:13:51.157483: client_request(client.267792:649065 setattr size=0 mtime=2018-08-24 21:13:51.163236 #0x100002e7e5a 2018-08-24 21:13:51.163236 caller_uid=0, caller_gid=0{}) currently failed to xlock, waiting
> 2018-08-24 21:14:54.698086 [WRN] 1 slow requests, 1 included below; oldest blocked for > 63.540533 secs
> 2018-08-24 21:14:28.217536 [WRN] Health check failed: 1 MDSs report slow requests (MDS_SLOW_REQUEST)
> 2018-08-24 21:14:28.167096 [WRN] MDS health message (mds.0): 1 slow requests are blocked > 30 sec
>
>
>
> Yan, Zheng <ukernel@xxxxxxxxx> 于2018年8月14日周二 下午3:13写道：
>>
>> On Mon, Aug 13, 2018 at 9:55 PM Zhenshi Zhou <deaderzzs@xxxxxxxxx> wrote:
>> >
>> > Hi Burkhard,
>> > I'm sure the user has permission to read and write. Besides, we're not using EC data pools.
>> > Now the situation is that any openration to a specific file, the command will hang.
>> > Operations to any other files won't hang.
>> >
>>
>> can ceph-fuse client read the specific file ?
>>
>> > Burkhard Linke <Burkhard.Linke@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> 于2018年8月13日周一 下午9:42写道：
>> >>
>> >> Hi,
>> >>
>> >>
>> >> On 08/13/2018 03:22 PM, Zhenshi Zhou wrote:
>> >> > Hi,
>> >> > Finally, I got a running server with files /sys/kernel/debug/ceph/xxx/
>> >> >
>> >> > [root@docker27 525c4413-7a08-40ca-9a98-0a6df009025b.client213522]# cat mdsc
>> >> > [root@docker27 525c4413-7a08-40ca-9a98-0a6df009025b.client213522]# cat monc
>> >> > have monmap 2 want 3+
>> >> > have osdmap 4545 want 4546
>> >> > have fsmap.user 0
>> >> > have mdsmap 335 want 336+
>> >> > fs_cluster_id -1
>> >> > [root@docker27 525c4413-7a08-40ca-9a98-0a6df009025b.client213522]# cat osdc
>> >> > REQUESTS 6 homeless 0
>> >> > 82580 osd10 1.7f9ddac7 [10,13]/10 [10,13]/10
>> >> > 10000053a04.00000000 0x400024 1 write
>> >> > 81019 osd11 1.184ed679 [11,7]/11 [11,7]/11
>> >> > 1000005397b.00000000 0x400024 1 write
>> >> > 81012 osd12 1.cd98ed57 [12,9]/12 [12,9]/12
>> >> > 10000053971.00000000 0x400024 1 write,startsync
>> >> > 82589 osd12 1.7cd5405a [12,8]/12 [12,8]/12
>> >> > 10000053a13.00000000 0x400024 1 write,startsync
>> >> > 80972 osd13 1.91886156 [13,4]/13 [13,4]/13
>> >> > 10000053939.00000000 0x400024 1 write
>> >> > 81035 osd13 1.ac5ccb56 [13,4]/13 [13,4]/13
>> >> > 10000053997.00000000 0x400024 1 write
>> >> >
>> >> > The cluster claims nothing, and shows HEALTH_OK still.
>> >> > What I did is just vim a file storing on cephfs, and then it hung there.
>> >> > And I got a process with 'D' stat.
>> >> > By the way, the whole mount directory is still in use and with no error.
>> >>
>> >> So there are no pending mds requests, mon seems to be ok, too.
>> >>
>> >> But the osd requests seems to be stuck. Are you sure the ceph user used
>> >> for the mount point is allowed to write to the cephfs data pools? Are
>> >> you using additional EC data pools?
>> >>
>> >> Regards,
>> >> Burkhard
>> >> _______________________________________________
>> >> ceph-users mailing list
>> >> ceph-users@xxxxxxxxxxxxxx
>> >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>> >
>> > _______________________________________________
>> > ceph-users mailing list
>> > ceph-users@xxxxxxxxxxxxxx
>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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