[nycbug-talk] Apache and FreeBSD

[Pete Wright]

On 11-Jul-09, at 12:08 PM, Matt Juszczak wrote:

>> Did you try looking outside of the Apache - PHP, accelerators, MySQL?
>> Could it be that Apache is waiting for PHP to finish?
>>
>> httpd procs seem pretty large..
>>
>> Does the server have enough memory to fit all apaches in?
>>
>> Is Apache using content on NFS?
>>
>> Try using server-status to see what is going on.  And lsof.
>
>
> Just an interesting tid bit:
>
> 136 processes: 1 running, 123 sleeping, 12 zombie
>
> Recent snap shot of "top".  Seems really odd that there would be a  
> spike
> to 120 processes, and then seeing them all sleeping.  Something is  
> really
> going on.  Yet memory is only 20% used.  CPU isn't totally pegged.   
> I/O is
> low as well.
>

have you tried to ktrace any of the processes?  I'd take a peek at the  
zombies first so see if they are blocking on anything...

-pete