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Posted to users@httpd.apache.org by "motoda.hironori@fujitsu.com" <mo...@fujitsu.com> on 2021/04/05 07:32:18 UTC
[users@httpd] RE: The number of child processes is less than MinSpareThreads.
Hello,
We have issued the following bug report for this matter, so please reply to the bug report.
https://bz.apache.org/bugzilla/show_bug.cgi?id=65196
> The process status is shown in the output of the following command.
> # pstree -p `cat /opt/apache24/logs/httpd.pid`
>
> In (3), all child processes have been terminated and new child processes have been created.
> Isn't it a bug that all child processes are temporarily terminated?
> If it's not a bug, please tell me why.
>
>
> (1) It is in the state where httpd is started.
> ----------------------------------------------
> Tue Mar 16 13:38:09 JST 2021
> httpd(4035)-+-httpd(4036)-+-{httpd}(4046)
> | `-{httpd}(4047)
> |-httpd(4037)-+-{httpd}(4048)
> | `-{httpd}(4049)
> |-httpd(4038)-+-{httpd}(4050)
> | `-{httpd}(4051)
> |-httpd(4039)-+-{httpd}(4052)
> | `-{httpd}(4053)
> `-httpd(4040)-+-{httpd}(4054)
> `-{httpd}(4055)
> ----------------------------------------------
>
> (2) 6 requests are being processed.
> ----------------------------------------------
> Tue Mar 16 13:38:26 JST 2021
> httpd(4035)-+-httpd(4036)-+-{httpd}(4046)
> | `-{httpd}(4047)
> |-httpd(4037)-+-{httpd}(4048)
> | `-{httpd}(4049)
> |-httpd(4038)-+-{httpd}(4050)
> | `-{httpd}(4051)
> |-httpd(4039)-+-{httpd}(4052)
> | `-{httpd}(4053)
> |-httpd(4040)-+-{httpd}(4054)
> | `-{httpd}(4055)
> |-httpd(4101)-+-{httpd}(4103)
> | `-{httpd}(4104)
> |-httpd(4109)-+-{httpd}(4113)
> | `-{httpd}(4114)
> |-httpd(4110)-+-{httpd}(4115)
> | `-{httpd}(4116)
> |-httpd(4121)-+-{httpd}(4133)
> | `-{httpd}(4134)
> |-httpd(4122)-+-{httpd}(4135)
> | `-{httpd}(4136)
> |-httpd(4123)-+-{httpd}(4129)
> | `-{httpd}(4130)
> `-httpd(4124)-+-{httpd}(4131)
> `-{httpd}(4132)
> ----------------------------------------------
>
> (3) The following is the state transition after the request processing is completed.
> ----------------------------------------------
> Tue Mar 16 13:38:38 JST 2021
> httpd(4035)-+-httpd(4036)
> |-httpd(4037)
> |-httpd(4038)
> |-httpd(4039)
> |-httpd(4040)
> |-httpd(4101)
> |-httpd(4110)
> |-httpd(4121)
> |-httpd(4122)
> |-httpd(4123)
> `-httpd(4124)
> ----------------------------------------------
> Tue Mar 16 13:38:39 JST 2021
> httpd(4035)---httpd(4213)-+-{httpd}(4215)
> `-{httpd}(4216)
> ----------------------------------------------
> Tue Mar 16 13:38:40 JST 2021
> httpd(4035)-+-httpd(4213)-+-{httpd}(4215)
> | `-{httpd}(4216)
> |-httpd(4221)-+-{httpd}(4225)
> | `-{httpd}(4226)
> `-httpd(4222)-+-{httpd}(4227)
> `-{httpd}(4228)
> ----------------------------------------------
> Tue Mar 16 13:38:41 JST 2021
> httpd(4035)-+-httpd(4213)-+-{httpd}(4215)
> | `-{httpd}(4216)
> |-httpd(4221)-+-{httpd}(4225)
> | `-{httpd}(4226)
> |-httpd(4222)-+-{httpd}(4227)
> | `-{httpd}(4228)
> |-httpd(4233)-+-{httpd}(4245)
> | `-{httpd}(4246)
> |-httpd(4234)-+-{httpd}(4247)
> | `-{httpd}(4248)
> |-httpd(4235)-+-{httpd}(4241)
> | `-{httpd}(4242)
> `-httpd(4236)-+-{httpd}(4243)
> `-{httpd}(4244)
> ----------------------------------------------
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