<div><div dir="auto">Could you be able to provide the pstack dump of the glusterd process?</div><br><div class="gmail_quote"><div>On Wed, 23 Aug 2017 at 20:22, Atin Mukherjee <<a href="mailto:amukherj@redhat.com">amukherj@redhat.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div dir="auto">Not yet. Gaurav will be taking a look at it tomorrow.</div></div><div><br><div class="gmail_quote"><div>On Wed, 23 Aug 2017 at 20:14, Serkan Çoban <<a href="mailto:cobanserkan@gmail.com" target="_blank">cobanserkan@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Atin,<br>
<br>
Do you have time to check the logs?<br>
<br>
On Wed, Aug 23, 2017 at 10:02 AM, Serkan Çoban <<a href="mailto:cobanserkan@gmail.com" target="_blank">cobanserkan@gmail.com</a>> wrote:<br>
> Same thing happens with 3.12.rc0. This time perf top shows hanging in<br>
> libglusterfs.so and below is the glusterd logs, which are different<br>
> from 3.10.<br>
> With 3.10.5, after 60-70 minutes CPU usage becomes normal and we see<br>
> brick processes come online and system starts to answer commands like<br>
> "gluster peer status"..<br>
><br>
> [2017-08-23 06:46:02.150472] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.152181] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.152287] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.153503] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.153647] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.153866] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.153948] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.154018] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.154108] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.154162] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.154250] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.154322] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.154425] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.154494] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.154575] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.154649] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.154705] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.154774] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.154852] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.154903] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.154995] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.155052] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:02.155141] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:27.074052] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
> [2017-08-23 06:46:27.077034] E [client_t.c:324:gf_client_ref]<br>
> (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)<br>
> [0x7f5ae2c091b1] -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)<br>
> [0x7f5ae2c0851c] -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)<br>
> [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
><br>
> On Tue, Aug 22, 2017 at 7:00 PM, Serkan Çoban <<a href="mailto:cobanserkan@gmail.com" target="_blank">cobanserkan@gmail.com</a>> wrote:<br>
>> I reboot multiple times, also I destroyed the gluster configuration<br>
>> and recreate multiple times. The behavior is same.<br>
>><br>
>> On Tue, Aug 22, 2017 at 6:47 PM, Atin Mukherjee <<a href="mailto:amukherj@redhat.com" target="_blank">amukherj@redhat.com</a>> wrote:<br>
>>> My guess is there is a corruption in vol list or peer list which has lead<br>
>>> glusterd to get into a infinite loop of traversing a peer/volume list and<br>
>>> CPU to hog up. Again this is a guess and I've not got a chance to take a<br>
>>> detail look at the logs and the strace output.<br>
>>><br>
>>> I believe if you get to reboot the node again the problem will disappear.<br>
>>><br>
>>> On Tue, 22 Aug 2017 at 20:07, Serkan Çoban <<a href="mailto:cobanserkan@gmail.com" target="_blank">cobanserkan@gmail.com</a>> wrote:<br>
>>>><br>
>>>> As an addition perf top shows %80 <a href="http://libc-2.12.so" rel="noreferrer" target="_blank">libc-2.12.so</a> __strcmp_sse42 during<br>
>>>> glusterd %100 cpu usage<br>
>>>> Hope this helps...<br>
>>>><br>
>>>> On Tue, Aug 22, 2017 at 2:41 PM, Serkan Çoban <<a href="mailto:cobanserkan@gmail.com" target="_blank">cobanserkan@gmail.com</a>><br>
>>>> wrote:<br>
>>>> > Hi there,<br>
>>>> ><br>
>>>> > I have a strange problem.<br>
>>>> > Gluster version in 3.10.5, I am testing new servers. Gluster<br>
>>>> > configuration is 16+4 EC, I have three volumes, each have 1600 bricks.<br>
>>>> > I can successfully create the cluster and volumes without any<br>
>>>> > problems. I write data to cluster from 100 clients for 12 hours again<br>
>>>> > no problem. But when I try to reboot a node, glusterd process hangs on<br>
>>>> > %100 CPU usage and seems to do nothing, no brick processes come<br>
>>>> > online. You can find strace of glusterd process for 1 minutes here:<br>
>>>> ><br>
>>>> > <a href="https://www.dropbox.com/s/c7bxfnbqxze1yus/gluster_strace.out?dl=0" rel="noreferrer" target="_blank">https://www.dropbox.com/s/c7bxfnbqxze1yus/gluster_strace.out?dl=0</a><br>
>>>> ><br>
>>>> > Here is the glusterd logs:<br>
>>>> > <a href="https://www.dropbox.com/s/hkstb3mdeil9a5u/glusterd.log?dl=0" rel="noreferrer" target="_blank">https://www.dropbox.com/s/hkstb3mdeil9a5u/glusterd.log?dl=0</a><br>
>>>> ><br>
>>>> ><br>
>>>> > By the way, reboot of one server completes without problem if I reboot<br>
>>>> > the servers before creating any volumes.<br>
>>>> _______________________________________________<br>
>>>> Gluster-users mailing list<br>
>>>> <a href="mailto:Gluster-users@gluster.org" target="_blank">Gluster-users@gluster.org</a><br>
>>>> <a href="http://lists.gluster.org/mailman/listinfo/gluster-users" rel="noreferrer" target="_blank">http://lists.gluster.org/mailman/listinfo/gluster-users</a><br>
>>><br>
>>> --<br>
>>> - Atin (atinm)<br>
</blockquote></div></div><div>-- <br></div><div class="m_-1780792131775678928gmail_signature" data-smartmail="gmail_signature">- Atin (atinm)</div></blockquote></div></div><div dir="ltr">-- <br></div><div class="gmail_signature" data-smartmail="gmail_signature">- Atin (atinm)</div>