[Wikipedia-l] SQL errors -- Server load?

[tarquin]

I've been getting errors like the following on an occasional basis for 
the last week or so. Might it be that we're not yet out of the woods on 
the server load issue?

*Warning*: open(/tmp/sess_d951b98b197c77c47e75c3217ffce7cd, O_RDWR) 
failed: Too many open files in system (23) in 
*/usr/local/apache/htdocs/w/wiki.phtml* on line *7*

*Warning*: Failed opening 'Setup.php' for inclusion 
(include_path='.:/usr/local/lib/php') in 
*/usr/local/apache/htdocs/w/wiki.phtml* on line *12*

*Fatal error*: Undefined class name 'outputpage' in 
*/usr/local/apache/htdocs/w/wiki.phtml* on line *14*

*Warning*: open(/tmp/sess_d951b98b197c77c47e75c3217ffce7cd, O_RDWR) 
failed: Too many open files in system (23) in *Unknown* on line *0*

*Warning*: Failed to write session data (files). Please verify that the 
current setting of session.save_path is correct (/tmp) in *Unknown* on 
line *0*