[Gluster-users] Glusterd proccess hangs on reboot

Thu Aug 31 15:25:11 UTC 2017

Hi Gaurav,

Any improvement about the issue?

On Tue, Aug 29, 2017 at 1:57 PM, Serkan Çoban <cobanserkan at gmail.com> wrote:
> glusterd returned to normal, here is the logs:
> https://www.dropbox.com/s/41jx2zn3uizvr53/80servers_glusterd_normal_status.zip?dl=0
>
>
> On Tue, Aug 29, 2017 at 1:47 PM, Serkan Çoban <cobanserkan at gmail.com> wrote:
>> Here is the logs after stopping all three volumes and restarting
>> glusterd in all nodes. I waited 70 minutes after glusterd restart but
>> it is still consuming %100 CPU.
>> https://www.dropbox.com/s/pzl0f198v03twx3/80servers_after_glusterd_restart.zip?dl=0
>>
>>
>> On Tue, Aug 29, 2017 at 12:37 PM, Gaurav Yadav <gyadav at redhat.com> wrote:
>>>
>>> I believe logs you have shared logs which consist of create volume followed
>>> by starting the volume.
>>> However, you have mentioned that when a node from 80 server cluster gets
>>> rebooted, glusterd process hangs.
>>>
>>> Could you please provide the logs which led glusterd to hang for all the
>>> cases along with gusterd process utilization.
>>>
>>>
>>> Thanks
>>> Gaurav
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Tue, Aug 29, 2017 at 2:44 PM, Serkan Çoban <cobanserkan at gmail.com> wrote:
>>>>
>>>> Here is the requested logs:
>>>>
>>>> https://www.dropbox.com/s/vt187h0gtu5doip/gluster_logs_20_40_80_servers.zip?dl=0
>>>>
>>>>
>>>> On Tue, Aug 29, 2017 at 7:48 AM, Gaurav Yadav <gyadav at redhat.com> wrote:
>>>> > Till now I haven't found anything significant.
>>>> >
>>>> > Can you send me gluster logs along with command-history-logs for these
>>>> > scenarios:
>>>> >  Scenario1 : 20 servers
>>>> >  Scenario2 : 40 servers
>>>> >  Scenario3:  80 Servers
>>>> >
>>>> >
>>>> > Thanks
>>>> > Gaurav
>>>> >
>>>> >
>>>> >
>>>> > On Mon, Aug 28, 2017 at 11:22 AM, Serkan Çoban <cobanserkan at gmail.com>
>>>> > wrote:
>>>> >>
>>>> >> Hi Gaurav,
>>>> >> Any progress about the problem?
>>>> >>
>>>> >> On Thursday, August 24, 2017, Serkan Çoban <cobanserkan at gmail.com>
>>>> >> wrote:
>>>> >>>
>>>> >>> Thank you Gaurav,
>>>> >>> Here is more findings:
>>>> >>> Problem does not happen using only 20 servers each has 68 bricks.
>>>> >>> (peer probe only 20 servers)
>>>> >>> If we use 40 servers with single volume, glusterd cpu %100 state
>>>> >>> continues for 5 minutes and it goes to normal state.
>>>> >>> with 80 servers we have no working state yet...
>>>> >>>
>>>> >>> On Thu, Aug 24, 2017 at 1:33 PM, Gaurav Yadav <gyadav at redhat.com>
>>>> >>> wrote:
>>>> >>> >
>>>> >>> > I am working on it and will share my findings as soon as possible.
>>>> >>> >
>>>> >>> >
>>>> >>> > Thanks
>>>> >>> > Gaurav
>>>> >>> >
>>>> >>> > On Thu, Aug 24, 2017 at 3:58 PM, Serkan Çoban
>>>> >>> > <cobanserkan at gmail.com>
>>>> >>> > wrote:
>>>> >>> >>
>>>> >>> >> Restarting glusterd causes the same thing. I tried with 3.12.rc0,
>>>> >>> >> 3.10.5. 3.8.15, 3.7.20 all same behavior.
>>>> >>> >> My OS is centos 6.9, I tried with centos 6.8 problem remains...
>>>> >>> >> Only way to a healthy state is destroy gluster config/rpms,
>>>> >>> >> reinstall
>>>> >>> >> and recreate volumes.
>>>> >>> >>
>>>> >>> >> On Thu, Aug 24, 2017 at 8:49 AM, Serkan Çoban
>>>> >>> >> <cobanserkan at gmail.com>
>>>> >>> >> wrote:
>>>> >>> >> > Here you can find 10 stack trace samples from glusterd. I wait 10
>>>> >>> >> > seconds between each trace.
>>>> >>> >> >
>>>> >>> >> > https://www.dropbox.com/s/9f36goq5xn3p1yt/glusterd_pstack.zip?dl=0
>>>> >>> >> >
>>>> >>> >> > Content of the first stack trace is here:
>>>> >>> >> >
>>>> >>> >> > Thread 8 (Thread 0x7f7a8cd4e700 (LWP 43069)):
>>>> >>> >> > #0  0x0000003aa5c0f00d in nanosleep () from
>>>> >>> >> > /lib64/libpthread.so.0
>>>> >>> >> > #1  0x000000303f837d57 in ?? () from /usr/lib64/libglusterfs.so.0
>>>> >>> >> > #2  0x0000003aa5c07aa1 in start_thread () from
>>>> >>> >> > /lib64/libpthread.so.0
>>>> >>> >> > #3  0x0000003aa58e8bbd in clone () from /lib64/libc.so.6
>>>> >>> >> > Thread 7 (Thread 0x7f7a8c34d700 (LWP 43070)):
>>>> >>> >> > #0  0x0000003aa5c0f585 in sigwait () from /lib64/libpthread.so.0
>>>> >>> >> > #1  0x000000000040643b in glusterfs_sigwaiter ()
>>>> >>> >> > #2  0x0000003aa5c07aa1 in start_thread () from
>>>> >>> >> > /lib64/libpthread.so.0
>>>> >>> >> > #3  0x0000003aa58e8bbd in clone () from /lib64/libc.so.6
>>>> >>> >> > Thread 6 (Thread 0x7f7a8b94c700 (LWP 43071)):
>>>> >>> >> > #0  0x0000003aa58acc4d in nanosleep () from /lib64/libc.so.6
>>>> >>> >> > #1  0x0000003aa58acac0 in sleep () from /lib64/libc.so.6
>>>> >>> >> > #2  0x000000303f8528fb in pool_sweeper () from
>>>> >>> >> > /usr/lib64/libglusterfs.so.0
>>>> >>> >> > #3  0x0000003aa5c07aa1 in start_thread () from
>>>> >>> >> > /lib64/libpthread.so.0
>>>> >>> >> > #4  0x0000003aa58e8bbd in clone () from /lib64/libc.so.6
>>>> >>> >> > Thread 5 (Thread 0x7f7a8af4b700 (LWP 43072)):
>>>> >>> >> > #0  0x0000003aa5c0ba5e in pthread_cond_timedwait@@GLIBC_2.3.2 ()
>>>> >>> >> > from
>>>> >>> >> > /lib64/libpthread.so.0
>>>> >>> >> > #1  0x000000303f864afc in syncenv_task () from
>>>> >>> >> > /usr/lib64/libglusterfs.so.0
>>>> >>> >> > #2  0x000000303f8729f0 in syncenv_processor () from
>>>> >>> >> > /usr/lib64/libglusterfs.so.0
>>>> >>> >> > #3  0x0000003aa5c07aa1 in start_thread () from
>>>> >>> >> > /lib64/libpthread.so.0
>>>> >>> >> > #4  0x0000003aa58e8bbd in clone () from /lib64/libc.so.6
>>>> >>> >> > Thread 4 (Thread 0x7f7a8a54a700 (LWP 43073)):
>>>> >>> >> > #0  0x0000003aa5c0ba5e in pthread_cond_timedwait@@GLIBC_2.3.2 ()
>>>> >>> >> > from
>>>> >>> >> > /lib64/libpthread.so.0
>>>> >>> >> > #1  0x000000303f864afc in syncenv_task () from
>>>> >>> >> > /usr/lib64/libglusterfs.so.0
>>>> >>> >> > #2  0x000000303f8729f0 in syncenv_processor () from
>>>> >>> >> > /usr/lib64/libglusterfs.so.0
>>>> >>> >> > #3  0x0000003aa5c07aa1 in start_thread () from
>>>> >>> >> > /lib64/libpthread.so.0
>>>> >>> >> > #4  0x0000003aa58e8bbd in clone () from /lib64/libc.so.6
>>>> >>> >> > Thread 3 (Thread 0x7f7a886ac700 (LWP 43075)):
>>>> >>> >> > #0  0x0000003aa5c0b68c in pthread_cond_wait@@GLIBC_2.3.2 () from
>>>> >>> >> > /lib64/libpthread.so.0
>>>> >>> >> > #1  0x00007f7a898a099b in ?? () from
>>>> >>> >> > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>>>> >>> >> > #2  0x0000003aa5c07aa1 in start_thread () from
>>>> >>> >> > /lib64/libpthread.so.0
>>>> >>> >> > #3  0x0000003aa58e8bbd in clone () from /lib64/libc.so.6
>>>> >>> >> > Thread 2 (Thread 0x7f7a87cab700 (LWP 43076)):
>>>> >>> >> > #0  0x0000003aa5928692 in __strcmp_sse42 () from /lib64/libc.so.6
>>>> >>> >> > #1  0x000000303f82244a in ?? () from /usr/lib64/libglusterfs.so.0
>>>> >>> >> > #2  0x000000303f82433d in ?? () from /usr/lib64/libglusterfs.so.0
>>>> >>> >> > #3  0x000000303f8245f5 in dict_set () from
>>>> >>> >> > /usr/lib64/libglusterfs.so.0
>>>> >>> >> > #4  0x000000303f82524c in dict_set_str () from
>>>> >>> >> > /usr/lib64/libglusterfs.so.0
>>>> >>> >> > #5  0x00007f7a898da7fd in ?? () from
>>>> >>> >> > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>>>> >>> >> > #6  0x00007f7a8981b0df in ?? () from
>>>> >>> >> > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>>>> >>> >> > #7  0x00007f7a8981b47c in ?? () from
>>>> >>> >> > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>>>> >>> >> > #8  0x00007f7a89831edf in ?? () from
>>>> >>> >> > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>>>> >>> >> > #9  0x00007f7a897f28f7 in ?? () from
>>>> >>> >> > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>>>> >>> >> > #10 0x00007f7a897f0bb9 in ?? () from
>>>> >>> >> > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>>>> >>> >> > #11 0x00007f7a8984c89a in ?? () from
>>>> >>> >> > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>>>> >>> >> > #12 0x00007f7a898323ee in ?? () from
>>>> >>> >> > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>>>> >>> >> > #13 0x000000303f40fad5 in rpc_clnt_handle_reply () from
>>>> >>> >> > /usr/lib64/libgfrpc.so.0
>>>> >>> >> > #14 0x000000303f410c85 in rpc_clnt_notify () from
>>>> >>> >> > /usr/lib64/libgfrpc.so.0
>>>> >>> >> > #15 0x000000303f40bd68 in rpc_transport_notify () from
>>>> >>> >> > /usr/lib64/libgfrpc.so.0
>>>> >>> >> > #16 0x00007f7a88a6fccd in ?? () from
>>>> >>> >> > /usr/lib64/glusterfs/3.10.5/rpc-transport/socket.so
>>>> >>> >> > #17 0x00007f7a88a70ffe in ?? () from
>>>> >>> >> > /usr/lib64/glusterfs/3.10.5/rpc-transport/socket.so
>>>> >>> >> > #18 0x000000303f887806 in ?? () from /usr/lib64/libglusterfs.so.0
>>>> >>> >> > #19 0x0000003aa5c07aa1 in start_thread () from
>>>> >>> >> > /lib64/libpthread.so.0
>>>> >>> >> > #20 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6
>>>> >>> >> > Thread 1 (Thread 0x7f7a93844740 (LWP 43068)):
>>>> >>> >> > #0  0x0000003aa5c082fd in pthread_join () from
>>>> >>> >> > /lib64/libpthread.so.0
>>>> >>> >> > #1  0x000000303f8872d5 in ?? () from /usr/lib64/libglusterfs.so.0
>>>> >>> >> > #2  0x0000000000409020 in main ()
>>>> >>> >> >
>>>> >>> >> > On Wed, Aug 23, 2017 at 8:46 PM, Atin Mukherjee
>>>> >>> >> > <amukherj at redhat.com>
>>>> >>> >> > wrote:
>>>> >>> >> >> Could you be able to provide the pstack dump of the glusterd
>>>> >>> >> >> process?
>>>> >>> >> >>
>>>> >>> >> >> On Wed, 23 Aug 2017 at 20:22, Atin Mukherjee
>>>> >>> >> >> <amukherj at redhat.com>
>>>> >>> >> >> wrote:
>>>> >>> >> >>>
>>>> >>> >> >>> Not yet. Gaurav will be taking a look at it tomorrow.
>>>> >>> >> >>>
>>>> >>> >> >>> On Wed, 23 Aug 2017 at 20:14, Serkan Çoban
>>>> >>> >> >>> <cobanserkan at gmail.com>
>>>> >>> >> >>> wrote:
>>>> >>> >> >>>>
>>>> >>> >> >>>> Hi Atin,
>>>> >>> >> >>>>
>>>> >>> >> >>>> Do you have time to check the logs?
>>>> >>> >> >>>>
>>>> >>> >> >>>> On Wed, Aug 23, 2017 at 10:02 AM, Serkan Çoban
>>>> >>> >> >>>> <cobanserkan at gmail.com>
>>>> >>> >> >>>> wrote:
>>>> >>> >> >>>> > Same thing happens with 3.12.rc0. This time perf top shows
>>>> >>> >> >>>> > hanging
>>>> >>> >> >>>> > in
>>>> >>> >> >>>> > libglusterfs.so and below is the glusterd logs, which are
>>>> >>> >> >>>> > different
>>>> >>> >> >>>> > from 3.10.
>>>> >>> >> >>>> > With 3.10.5, after 60-70 minutes CPU usage becomes normal
>>>> >>> >> >>>> > and
>>>> >>> >> >>>> > we
>>>> >>> >> >>>> > see
>>>> >>> >> >>>> > brick processes come online and system starts to answer
>>>> >>> >> >>>> > commands
>>>> >>> >> >>>> > like
>>>> >>> >> >>>> > "gluster peer status"..
>>>> >>> >> >>>> >
>>>> >>> >> >>>> > [2017-08-23 06:46:02.150472] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.152181] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.152287] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.153503] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.153647] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.153866] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.153948] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.154018] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.154108] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.154162] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.154250] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.154322] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.154425] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.154494] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.154575] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.154649] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.154705] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.154774] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.154852] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.154903] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.154995] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.155052] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:02.155141] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:27.074052] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> > [2017-08-23 06:46:27.077034] E
>>>> >>> >> >>>> > [client_t.c:324:gf_client_ref]
>>>> >>> >> >>>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>>>> >>> >> >>>> > [0x7f5ae2c091b1]
>>>> >>> >> >>>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>>>> >>> >> >>>> > [0x7f5ae2c0851c]
>>>> >>> >> >>>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>>>> >>> >> >>>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid
>>>> >>> >> >>>> > argument]
>>>> >>> >> >>>> >
>>>> >>> >> >>>> > On Tue, Aug 22, 2017 at 7:00 PM, Serkan Çoban
>>>> >>> >> >>>> > <cobanserkan at gmail.com>
>>>> >>> >> >>>> > wrote:
>>>> >>> >> >>>> >> I reboot multiple times, also I destroyed the gluster
>>>> >>> >> >>>> >> configuration
>>>> >>> >> >>>> >> and recreate multiple times. The behavior is same.
>>>> >>> >> >>>> >>
>>>> >>> >> >>>> >> On Tue, Aug 22, 2017 at 6:47 PM, Atin Mukherjee
>>>> >>> >> >>>> >> <amukherj at redhat.com>
>>>> >>> >> >>>> >> wrote:
>>>> >>> >> >>>> >>> My guess is there is a corruption in vol list or peer list
>>>> >>> >> >>>> >>> which
>>>> >>> >> >>>> >>> has
>>>> >>> >> >>>> >>> lead
>>>> >>> >> >>>> >>> glusterd to get into a infinite loop of traversing a
>>>> >>> >> >>>> >>> peer/volume
>>>> >>> >> >>>> >>> list
>>>> >>> >> >>>> >>> and
>>>> >>> >> >>>> >>> CPU to hog up. Again this is a guess and I've not got a
>>>> >>> >> >>>> >>> chance to
>>>> >>> >> >>>> >>> take a
>>>> >>> >> >>>> >>> detail look at the logs and the strace output.
>>>> >>> >> >>>> >>>
>>>> >>> >> >>>> >>> I believe if you get to reboot the node again the problem
>>>> >>> >> >>>> >>> will
>>>> >>> >> >>>> >>> disappear.
>>>> >>> >> >>>> >>>
>>>> >>> >> >>>> >>> On Tue, 22 Aug 2017 at 20:07, Serkan Çoban
>>>> >>> >> >>>> >>> <cobanserkan at gmail.com>
>>>> >>> >> >>>> >>> wrote:
>>>> >>> >> >>>> >>>>
>>>> >>> >> >>>> >>>> As an addition perf top shows %80 libc-2.12.so
>>>> >>> >> >>>> >>>> __strcmp_sse42
>>>> >>> >> >>>> >>>> during
>>>> >>> >> >>>> >>>> glusterd %100 cpu usage
>>>> >>> >> >>>> >>>> Hope this helps...
>>>> >>> >> >>>> >>>>
>>>> >>> >> >>>> >>>> On Tue, Aug 22, 2017 at 2:41 PM, Serkan Çoban
>>>> >>> >> >>>> >>>> <cobanserkan at gmail.com>
>>>> >>> >> >>>> >>>> wrote:
>>>> >>> >> >>>> >>>> > Hi there,
>>>> >>> >> >>>> >>>> >
>>>> >>> >> >>>> >>>> > I have a strange problem.
>>>> >>> >> >>>> >>>> > Gluster version in 3.10.5, I am testing new servers.
>>>> >>> >> >>>> >>>> > Gluster
>>>> >>> >> >>>> >>>> > configuration is 16+4 EC, I have three volumes, each
>>>> >>> >> >>>> >>>> > have
>>>> >>> >> >>>> >>>> > 1600
>>>> >>> >> >>>> >>>> > bricks.
>>>> >>> >> >>>> >>>> > I can successfully create the cluster and volumes
>>>> >>> >> >>>> >>>> > without
>>>> >>> >> >>>> >>>> > any
>>>> >>> >> >>>> >>>> > problems. I write data to cluster from 100 clients for
>>>> >>> >> >>>> >>>> > 12
>>>> >>> >> >>>> >>>> > hours
>>>> >>> >> >>>> >>>> > again
>>>> >>> >> >>>> >>>> > no problem. But when I try to reboot a node, glusterd
>>>> >>> >> >>>> >>>> > process
>>>> >>> >> >>>> >>>> > hangs on
>>>> >>> >> >>>> >>>> > %100 CPU usage and seems to do nothing, no brick
>>>> >>> >> >>>> >>>> > processes
>>>> >>> >> >>>> >>>> > come
>>>> >>> >> >>>> >>>> > online. You can find strace of glusterd process for 1
>>>> >>> >> >>>> >>>> > minutes
>>>> >>> >> >>>> >>>> > here:
>>>> >>> >> >>>> >>>> >
>>>> >>> >> >>>> >>>> >
>>>> >>> >> >>>> >>>> >
>>>> >>> >> >>>> >>>> >
>>>> >>> >> >>>> >>>> > https://www.dropbox.com/s/c7bxfnbqxze1yus/gluster_strace.out?dl=0
>>>> >>> >> >>>> >>>> >
>>>> >>> >> >>>> >>>> > Here is the glusterd logs:
>>>> >>> >> >>>> >>>> >
>>>> >>> >> >>>> >>>> >
>>>> >>> >> >>>> >>>> > https://www.dropbox.com/s/hkstb3mdeil9a5u/glusterd.log?dl=0
>>>> >>> >> >>>> >>>> >
>>>> >>> >> >>>> >>>> >
>>>> >>> >> >>>> >>>> > By the way, reboot of one server completes without
>>>> >>> >> >>>> >>>> > problem
>>>> >>> >> >>>> >>>> > if
>>>> >>> >> >>>> >>>> > I
>>>> >>> >> >>>> >>>> > reboot
>>>> >>> >> >>>> >>>> > the servers before creating any volumes.
>>>> >>> >> >>>> >>>> _______________________________________________
>>>> >>> >> >>>> >>>> Gluster-users mailing list
>>>> >>> >> >>>> >>>> Gluster-users at gluster.org
>>>> >>> >> >>>> >>>> http://lists.gluster.org/mailman/listinfo/gluster-users
>>>> >>> >> >>>> >>>
>>>> >>> >> >>>> >>> --
>>>> >>> >> >>>> >>> - Atin (atinm)
>>>> >>> >> >>>
>>>> >>> >> >>> --
>>>> >>> >> >>> - Atin (atinm)
>>>> >>> >> >>
>>>> >>> >> >> --
>>>> >>> >> >> - Atin (atinm)
>>>> >>> >> _______________________________________________
>>>> >>> >> Gluster-users mailing list
>>>> >>> >> Gluster-users at gluster.org
>>>> >>> >> http://lists.gluster.org/mailman/listinfo/gluster-users
>>>> >>> >
>>>> >>> >
>>>> >
>>>> >
>>>
>>>