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Published 20 hours ago • verified publisher icon openresty

lj_str_new high CPU usague when performance testing

Open lizj3624 opened this issue 3 years ago • 2 comments

I found lj_str_new high cpu usague

  1. env OpenResty-1.15.8，OS：CentOS6，CPU: Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz, 15 worker http request 8k ~10k，10w qps

  2. lj_str_new high cpu usague when access_by_lua of ngx_lua ME1645502052074

lizj3624 avatar Feb 22 '22 04:02 lizj3624

You can try passing in the string length when calling ffi.string.

str = ffi.string(ptr [,len])

cppcoffee avatar Feb 22 '22 04:02 cppcoffee

thx，i try

lizj3624 avatar Feb 22 '22 05:02 lizj3624