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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 52132] New: process activity score calculated incorrectly if time changes
Date Thu, 03 Nov 2011 23:15:02 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=52132

             Bug #: 52132
           Summary: process activity score calculated incorrectly if time
                    changes
           Product: Apache httpd-2
           Version: 2.2.8
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: mod_fcgid
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: aphplix@gmail.com
    Classification: Unclassified


Changing the system time by -1 hour caused the calculation of the process
activity score to be incorrect. This prevented the spawning of new application
processes for approx 1 hour.

FcgidTimeScore was set to default (1).
FcgidSpawnScoreUpLimit was set to default (10). 

/var/log/messages
Nov  3 19:42:58 server207-27 ntpd[5052]: synchronized to 213.171.201.6, stratum
2
Nov  3 18:42:58 server207-27 ntpd[5052]: time reset -3599.951366 s
Nov  3 18:42:58 server207-27 ntpd[5052]: kernel time sync enabled 0001
...

/var/log/httpd/error_log
[Thu Nov 03 18:57:37 2011] [info] mod_fcgid: /index.php spawn score 2534 >= 10,
skip the spawn request
[Thu Nov 03 18:57:38 2011] [info] mod_fcgid: /index.php spawn score 2533 >= 10,
skip the spawn request
...

/var/log/http/vhost/error_log
[Thu Nov 03 19:25:58 2011] [warn] mod_fcgid: can't apply process slot for
/index.php
[Thu Nov 03 19:26:00 2011] [warn] mod_fcgid: can't apply process slot for
/cometchat_receive.php
...

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