[Gluster-users] Glusterd proccess hangs on reboot

Mon Aug 28 05:52:58 UTC 2017

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
> <javascript:;>> 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
> <javascript:;>> 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
> <javascript:;>>
> >> 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
> <javascript:;>>
> >> > 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
> <javascript:;>>
> >> >> 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
> <javascript:;>>
> >> >>> 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 <javascript:;>>
> >> >>>> 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 <javascript:;>>
> >> >>>> > 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 <javascript:;>>
> >> >>>> >> 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 <javascript:;>>
> >> >>>> >>> 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 <javascript:;>>
> >> >>>> >>>> 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 <javascript:;>
> >> >>>> >>>> http://lists.gluster.org/mailman/listinfo/gluster-users
> >> >>>> >>>
> >> >>>> >>> --
> >> >>>> >>> - Atin (atinm)
> >> >>>
> >> >>> --
> >> >>> - Atin (atinm)
> >> >>
> >> >> --
> >> >> - Atin (atinm)
> >> _______________________________________________
> >> Gluster-users mailing list
> >> Gluster-users at gluster.org <javascript:;>
> >> http://lists.gluster.org/mailman/listinfo/gluster-users
> >
> >
>
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