wfgydbu commented on issue #2520:
URL: https://github.com/apache/apisix/issues/2520#issuecomment-717058930
> > > > After setup everythig, simply run `make reload` will reproduce these
errors.
> > >
> > >
> > > Have you confirmed where these errors are exposed? The old bunch of
worker processes or these new?
> >
> >
> > Hmm, Not sure yet. For now, only observation, they just occur in
`logs/error.log` in seconds after running `make run`.
>
> Could you check it out? Just compare the pid number in each line of
error.log, with this information, we can know whether this problem is due to
the worker shutting down.
Sure.
It should be newer worker processsers that produce these errors, check this
out:
`error.log`:
```
2020/10/27 15:53:46 [notice] 1180809#1180809: signal process started
2020/10/27 15:53:51 [error] 1180840#1180840: *2740601 [lua]
config_etcd.lua:192: failed to check item data of [/apisix/routes] err:failed
to acquire the lock: timeout ,val:
{"priority":0,"methods":["PUT","GET","POST","DELETE","PATCH","HEAD","OPTIONS","CONNECT","TRACE"],"upstream":{"nodes":{"127.0.0.1:8000":10},"hash_on":"vars","type":"roundrobin"},"id":"1","uri":"\/*"},
context: ngx.timer
2020/10/27 15:53:51 [error] 1180837#1180837: *2740605 [lua]
config_etcd.lua:192: failed to check item data of [/apisix/routes] err:failed
to acquire the lock: timeout ,val:
{"priority":0,"methods":["PUT","GET","POST","DELETE","PATCH","HEAD","OPTIONS","CONNECT","TRACE"],"upstream":{"nodes":{"127.0.0.1:8000":10},"hash_on":"vars","type":"roundrobin"},"id":"1","uri":"\/*"},
context: ngx.timer
```
compared with
```
[root@node10 testfile]# ps -ef | grep nginx
root 1157187 1 0 13:57 ? 00:00:00 nginx: master process
/usr/bin/openresty -p /kvm-hyt/apisix/ -c /kvm-hyt/apisix/conf/nginx.conf
nobody 1162507 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162508 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162509 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162510 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162511 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162512 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162513 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162514 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162515 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162516 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162517 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162518 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162519 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162520 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162521 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162522 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162523 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162524 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162525 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162526 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162527 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162528 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162529 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162530 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162531 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162532 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162533 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162534 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162535 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162536 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162537 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1162538 1157187 0 14:10 ? 00:00:04 nginx: worker process is
shutting down
nobody 1180811 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180812 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180813 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180814 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180815 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180816 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180817 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180818 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180819 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180820 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180821 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180822 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180823 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180824 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180825 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180826 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180827 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180828 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180829 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180830 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180831 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180832 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180833 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180834 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180835 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180836 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180837 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180838 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180839 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180840 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180841 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180842 1157187 0 15:53 ? 00:00:00 nginx: worker process
nobody 1180843 1157187 0 15:53 ? 00:00:00 nginx: cache manager
process
root 1180857 1163567 0 15:53 pts/12 00:00:00 grep --color=auto nginx
```
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