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<p>Do you actually use NCHAN for anything? If you are not actively
using nchan, you should consider simply removing
`libnginx-mod-nchan`</p>
<p>Note also this is a third party module, so it's not necessarily
'endorsed' by NGINX Upstream per se. Also, Debian is *ancient*
with its nginx version and modules, I'd suggest you switch to a
more recent Debian version with newer nginx, or use the nginx.org
repositories (no third party plugins there though...)<br>
</p>
<p><br>
</p>
<p>Thomas<br>
</p>
<div class="moz-cite-prefix">On 8/31/20 11:03 AM, james.anderson
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:fa09e9a122794d50511016470282a05d.NginxMailingListEnglish@forum.nginx.org">
<pre class="moz-quote-pre" wrap="">we observe that after several days in service, where the server is reloaded
several hundred times a day, it eventually stops responding.
a reload completes, but still all connections time out.
a restart corrects the issue.
is there a limit to the number of times a server permits a reload before it
is necessary to restart it.
when the problem starts, entries like the following appear in the nginx
error log
ter process /usr/sbin/nginx -g daemon on; master_process on;:
/build/nginx-5J5hor/nginx-1.18.0/debian/modules/nchan/src/store/memory/memst\
ore.c:701: nchan_store_init_worker: Assertion `procslot_found == 1' failed.
2020/08/31 12:07:18 [alert] 1451759#1451759: worker process 1500846 exited
on signal 6 (core dumped)
2020/08/31 12:07:18 [alert] 1451759#1451759: shared memory zone "memstore"
was locked by 1500846
i see no mention of this issue here. but i did note
<a class="moz-txt-link-freetext" href="https://github.com/slact/nchan/issues/446">https://github.com/slact/nchan/issues/446</a>
versions:
root@nl12:~# uname -a
Linux nl12.dydra.com 5.4.0-42-generic #46-Ubuntu SMP Fri Jul 10 00:24:02 UTC
2020 x86_64 x86_64 x86_64 GNU/Linux
root@nl12:~# which nginx
/usr/sbin/nginx
root@nl12:~# /usr/sbin/nginx -v
nginx version: nginx/1.18.0 (Ubuntu)
Posted at Nginx Forum: <a class="moz-txt-link-freetext" href="https://forum.nginx.org/read.php?2,289247,289247#msg-289247">https://forum.nginx.org/read.php?2,289247,289247#msg-289247</a>
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</pre>
</blockquote>
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