Last modified: 2012-10-31 18:35:31 UTC
mw18 (at least) is missing the php5-memcached package: reedy@fenari:~$ tail -n 1000 /home/wikipedia/syslog/apache.log | grep Memcached Oct 31 15:36:14 10.0.11.18 apache2[21681]: PHP Fatal error: Class 'Memcached' not found in /usr/local/apache/common-local/php-1.21wmf3/includes/objectcache/MemcachedPeclBagOStuff.php on line 57 reedy@fenari:~$ ssh 10.0.11.18 Linux mw18 2.6.32-41-generic #89-Ubuntu SMP Fri Apr 27 22:18:56 UTC 2012 x86_64 GNU/Linux Ubuntu 10.04.4 LTS 78 packages can be updated. 64 updates are security updates. New release 'precise' available. Run 'do-release-upgrade' to upgrade to it. The last Puppet run was at Wed Oct 31 15:41:25 UTC 2012 (1 minutes ago). reedy@mw18:~$ dpkg -l | grep memcached ii memcached 1.4.2-1ubuntu3 A high-performance memory object caching sys reedy@mw18:~$ logout Connection to 10.0.11.18 closed. reedy@fenari:~$ ssh 10.0.11.17 Linux mw17 2.6.32-33-server #72-Ubuntu SMP Fri Jul 29 21:21:55 UTC 2011 x86_64 GNU/Linux Ubuntu 10.04.3 LTS 119 packages can be updated. 97 updates are security updates. New release 'precise' available. Run 'do-release-upgrade' to upgrade to it. The last Puppet run was at Wed Oct 31 14:58:51 UTC 2012 (43 minutes ago). reedy@mw17:~$ dpkg -l | grep memcached ii libmemcached10 1.0.8-1~wmf+lucid1 C and C++ client library to the memcached se ii memcached 1.4.2-1ubuntu4 A high-performance memory object caching sys ii php5-memcached 2.1.0-2~wmf+lucid1 memcached extension module for PHP5, uses li Going to have a look around and see if it's not anywhere else either...
Would look to be only mw18...
apt-get -s install php5-memcached E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. root@mw18:~# dpkg --configure -a Processing triggers for libapache2-mod-php5 ... * Reloading web server config apache2 [ OK ] Setting up php-luasandbox (1.1-1~lucid) ... --- The following extra packages will be installed: libmemcached10 php5-igbinary The following NEW packages will be installed: libmemcached10 php5-igbinary php5-memcached 0 upgraded, 3 newly installed, 0 to remove and 73 not upgraded. Inst libmemcached10 (1.0.8-1~wmf+lucid1 Wikimedia:10.04/lucid-wikimedia) Inst php5-igbinary (1.1.1-1~wmf+lucid1 Wikimedia:10.04/lucid-wikimedia) Inst php5-memcached (2.1.0-2~wmf+lucid1 Wikimedia:10.04/lucid-wikimedia) Conf libmemcached10 (1.0.8-1~wmf+lucid1 Wikimedia:10.04/lucid-wikimedia) Conf php5-igbinary (1.1.1-1~wmf+lucid1 Wikimedia:10.04/lucid-wikimedia) Conf php5-memcached (2.1.0-2~wmf+lucid1 Wikimedia:10.04/lucid-wikimedia) Unpacking php5-memcached (from .../php5-memcached_2.1.0-2~wmf+lucid1_amd64.deb) ... Processing triggers for libapache2-mod-php5 ... * Reloading web server config apache2 [ OK ] Setting up libmemcached10 (1.0.8-1~wmf+lucid1) ... Setting up php5-igbinary (1.1.1-1~wmf+lucid1) ... Setting up php5-memcached (2.1.0-2~wmf+lucid1) ...
srv286 also the same problem, but the cause was different
