Bug #70456 [NEW]: PHP mysqlnd doesn't activate TCP keep-alive when connecting to a server

From: turchanov at farpost dot com Operating system: Linux PHP version: 5.6.13 Package: MySQLi related Bug Type: Bug Bug description:PHP mysqlnd doesn't activate TCP keep-alive when connecting to a server Description: ------------ libmysqlclient activates TCP keep-alive when connecting to a server but mysqlnd doesn't do that. This breaks API guarantees provided by libmysqlclient. Specifically this affect us in situation when IP address of a server migrates from host to another host conected PHP client hangs indefinitely (which didn't happen when we were using PHP libmysqlclient driver). Proposed fix: https://github.com/php/php-src/pull/1499 -- Edit bug report at https://bugs.php.net/bug.php?id=70456&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=70456&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=70456&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=70456&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=70456&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=70456&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=70456&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=70456&r=needscript Try newer version: https://bugs.php.net/fix.php?id=70456&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=70456&r=support Expected behavior: https://bugs.php.net/fix.php?id=70456&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=70456&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=70456&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=70456&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70456&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=70456&r=dst IIS Stability: https://bugs.php.net/fix.php?id=70456&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=70456&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=70456&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=70456&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=70456&r=mysqlcfg