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Bug #74542 Inconsistent php-fpm status page
Submitted: 2017-05-04 13:25 UTC Modified: 2022-12-23 14:49 UTC
Avg. Score:3.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: ugurkenar at peakgames dot net Assigned: bukka (profile)
Status: Closed Package: FPM related
PHP Version: 7.0.18 OS: CentOS Linux release 7.3.1611
Private report: No CVE-ID: None
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From: ugurkenar at peakgames dot net
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 [2017-05-04 13:25 UTC] ugurkenar at peakgames dot net
php-fpm status page shows inconsistent idle process count. The full status page shows that php-fpm has 0 idle process but all child process state is idle. 

gist shows the problem. As you can see almost every child process state is idle but "idle processes" metric is 0.

Also this issue does not exist in php-7.0.12. 


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 [2017-05-08 17:11 UTC]
-Package: Unknown/Other Function +Package: FPM related
 [2022-12-23 14:47 UTC]
-Status: Open +Status: Closed -Assigned To: +Assigned To: bukka
 [2022-12-23 14:47 UTC]
I have done some testing with dynamic process manager under load. My setup can be seen here: . Basically starting fpm with max 30 children (taken from the number of processes in gist), then starting nginx and using wrk. After the load test finishes, it show idle children but the scoreboard number was matching for me. There has been various changes since 7.0 fixing some race conditions in status so it is likely that this got fixed as well and it is no longer an issue. I also double checked the code and don't see any obvious race condition. If you still see the problem, please open a new issue on GitHub with steps how to recreate.
 [2022-12-23 14:49 UTC]
For the record my testing was with PHP 8.1
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