PHP Warning: implode() [<a href='function.implode'>function.implode</a>]: Invalid arguments passed in administrator/components/com_mobilejoomla/cachestorage/file.php on line 267
appeared 9 times for 2 seconds!
no idea what causes it, i have just disabled cache after seeing the error in the log
cpu usage - very very high all the time
joomla 1.5.25
php 5.3.8
mysql 5.1.58