Re: [squid-users] Anyway to tell if squid is actively using unlinkd?

On Wed, May 25, 2011 at 9:03 PM, Amos Jeffries <squid3_at_treenet.co.nz> wrote:
> On Wed, 25 May 2011 20:27:05 -0700, Tory M Blue wrote:
>>
>> On Wed, May 25, 2011 at 8:01 PM, Amos Jeffries <squid3_at_treenet.co.nz>
>> wrote:

>> backup, so I was leary. CPU cycles sure, but the squid process shows:
>> PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>> 30766 squid     20   0 6284m 6.1g 3068 S 13.9 38.8  91:51.50 squid

> Hold up a minute. This diagram worries me. Squid-2 should not have any
> {squid} entries. Just helpers with their own names.

the diagram was from ptrace.

The processes running that can be deemed via ps are

root 2334 1 0 May19 ? 00:00:00 squid -f /etc/squid/squid.conf
squid 2336 2334 11 May19 ? 17:54:41 (squid) -f /etc/squid/squid.conf
squid 2338 2336 0 May19 ? 00:00:00 (unlinkd)

> Are they helpers running with the process name of "squid" instead of their
> own binary names like unlinkd?
>
> Or are they old squid which are still there after something like a crash?

No crashes, controlled stop and starts or -k reconfigure. Nothing old

>>
>> l1/l2 cache? Have not considered or looked into it. New concept for me :)
>>
>
> Sorry terminology mixup.
>
> L1 L2 values on the cache_dir line. Sub-directories within the dir
> structure.
> The URL hash is mapped to a 32-bit binary value which then gets split into
> FS path: path-root/L1/L2/filename
>
>  cache_dir type path-root size L1 L2

Ahh yes, actually was running at 16 256
and recently moved it to 8 128 trying "again" to mitigate files.

So did I move this in the wrong direction?
>
> Tuned to larger values to decrease file count in each directory. To avoid
> iowait on ext-like FS while the disk scans inodes for a particular filename
> in the L2 directory.

thanks again Amos

Tory
Received on Thu May 26 2011 - 04:11:52 MDT