#37944 [NEW]: Very Slow session_start on nfs-mount

From: g42 at gmx dot net Operating system: Gentoo Linux 2006.0 PHP version: 5.1.4 PHP Bug Type: Session related Bug description: Very Slow session_start on nfs-mount Description: ------------ Some PHP-Sites take very long to load (>60 seconds). A famous example is phpmyadmin. The wait-time accours after login, oder after changing the database. CacheGrind (created with xdebug) shows that php::session_start takes 60.011ms to start (1 call) while changing to another Database. The total script took 60.112ms php.ini changes: session.save_path = "/www/phptemp/sessions" /www is a nfs-mount, mounted with options: soft,retry=5,nfsvers=3,posix,tcp server-export: /raid/www 192.168.1.0/24(rw,sync,root_squash) Reproduce code: --------------- see phpmyadmin-2.8.1 http://www.phpmyadmin.net Expected result: ---------------- script-execution time <1 second Actual result: -------------- script-execution time >60 seconds -- Edit bug report at http://bugs.php.net/?id=37944&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=37944&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=37944&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=37944&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=37944&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=37944&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=37944&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=37944&r=needscript Try newer version: http://bugs.php.net/fix.php?id=37944&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=37944&r=support Expected behavior: http://bugs.php.net/fix.php?id=37944&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=37944&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=37944&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=37944&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=37944&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=37944&r=dst IIS Stability: http://bugs.php.net/fix.php?id=37944&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=37944&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=37944&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=37944&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=37944&r=mysqlcfg