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Posted to notifications@apisix.apache.org by GitBox <gi...@apache.org> on 2022/02/22 04:25:16 UTC
[GitHub] [apisix] lizj3624 opened a new issue #6412: bug: lj_str_new high CPU usague when performance testing with about 10k http request body
lizj3624 opened a new issue #6412:
URL: https://github.com/apache/apisix/issues/6412
### Issue description
lj_str_new high CPU usague when performance testing with about 10k http request body，I think it's ngx_lua promble, [ngx_lua issue](https://github.com/openresty/lua-nginx-module/issues/2015)，apisix tested similar case and encountered similar problems?
lj_str_new high cpu usague when access_by_lua of ngx_lua
### Environment
- OS (cmd: `uname -a`): Centos6
- OpenResty / Nginx version (cmd: `nginx -V` or `openresty -V`): OpenResty-1.15.8
- CPU: Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
- worker num: 15
- http request 8k ~10k，10w qps
### Steps to reproduce
1. performance testing with about 10k http request body
2. access_by_lua enabled
### Actual result
lj_str_new high CPU usague
### Error log
lj_str_new high CPU usague
### Expected result
_No response_
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[GitHub] [apisix] lizj3624 closed issue #6412: bug: lj_str_new high CPU usague when performance testing with about 10k http request body
Posted by GitBox <gi...@apache.org>.
lizj3624 closed issue #6412:
URL: https://github.com/apache/apisix/issues/6412
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[GitHub] [apisix] lizj3624 commented on issue #6412: bug: lj_str_new high CPU usague when performance testing with about 10k http request body
Posted by GitBox <gi...@apache.org>.
lizj3624 commented on issue #6412:
URL: https://github.com/apache/apisix/issues/6412#issuecomment-1047451854
I guress it's ngx_lua bug，i closed the issue in apisix， [ngx_lua issue](https://github.com/openresty/lua-nginx-module/issues/2015)
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[GitHub] [apisix] tzssangglass commented on issue #6412: bug: lj_str_new high CPU usague when performance testing with about 10k http request body
Posted by GitBox <gi...@apache.org>.
tzssangglass commented on issue #6412:
URL: https://github.com/apache/apisix/issues/6412#issuecomment-1047430152
ok, are you comfortable generating a flamegraph of your test case?
you can ref: https://github.com/apache/apisix/blob/master/.github/workflows/performance.yml
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