azura27 opened a new issue #3193:
URL: https://github.com/apache/apisix/issues/3193
### Issue description
When I test with WRK, 10 seconds flow would have one second error, and cause
the QPS to decrease 1w
For issue tracing:
in function: common_phase(phase_name) ADD log: core.log.error("nil instance:
api_ctx") after the "api_ctx = ngx.ctx.api_ctx"
in function: http_log_phase() ADD log: core.log.error("fail to create
healthcheck instance: ", err) after "api_ctx = common_phase("log")"
### Environment
* apisix version (cmd: `apisix version`): 2.0 (with changes from:
https://github.com/apache/apisix/pull/2575/files)
* OS: (cmd: `uname -a`) Linux 3.10.0-693.el7.x86_64 #1 SMP Tue Aug 22
21:09:27 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
* OpenResty / Nginx version: (cmd: `nginx -V` or `openresty -V`) 1.15.8.3
### Minimal test code / Steps to reproduce the issue
1. run apisix with plugins open: zipkin, limit-count,
prometheus,consumer-restriction,key-auth
2. run test with wrk ./wrk -t 4 -d 10 -c 3000
3.
### What's the actual result? (including assertion message & call stack if
applicable)
2021/01/05 13:51:25 [error] 5324#5324: *97919 [lua] init.lua:653:
common_phase(): nil instance: api_ctx while logging request, client:
2021/01/05 13:51:25 [error] 5324#5324: *97919 [lua] init.lua:753:
http_log_phase(): fail to create healthcheck instance: nil while logging
request, client:
### What's the expected result?
no error log and higher QPS
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