From: Operating system: Debian Lenny PHP version: 5.3.8 Package: FPM related Bug Type: Bug Bug description:When under load, PHP-FPM master process silently crashes
Description: ------------ I ran some load tests on a virtual machine which has 16GB ram and four 8Ghz VCores. The tests were run using JMeter. When ~300 simultaneous connections (10 request loop per connection) to FPM exist (through NGinx), The master process crashes and I get 502 errors. The remaining child processes continue executing their scripts then terminate. I use a static pool configuration, and no matter what the child processes number is, it crashes. -- Edit bug report at https://bugs.php.net/bug.php?id=60670&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=60670&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=60670&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=60670&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=60670&r=fixed Fixed in SVN and need be documented: https://bugs.php.net/fix.php?id=60670&r=needdocs Fixed in release: https://bugs.php.net/fix.php?id=60670&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=60670&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=60670&r=needscript Try newer version: https://bugs.php.net/fix.php?id=60670&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=60670&r=support Expected behavior: https://bugs.php.net/fix.php?id=60670&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=60670&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=60670&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=60670&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=60670&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=60670&r=dst IIS Stability: https://bugs.php.net/fix.php?id=60670&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=60670&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=60670&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=60670&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=60670&r=mysqlcfg