Re: [squid-users] unlinked squid process

From: Amos Jeffries <squid3@dont-contact.us>
Date: Tue, 23 Oct 2007 20:39:03 +1300

squid@unixplanet.biz wrote:
> Just wanted to know the meaning of MISS_TCP.
> I thought that might be an error message.

Errors, as in 'problems with squid', shop up in cache.log
and start with "WARNING:" or "fatal:" maybe followed by a "Starting
Squid" if it was really bad.

> Thanks for the document.
>
> I am going to install a squid log analyzer to see what objects
> are cached ( I think we are caching quarries which I don't think
> it is a good idea )

Caching quarries could be a problem with all the rocks.

Caching queries however, is how the web works faster than the network
underneath it.

> which one do you recommend ?
> there is plenty of them but I was thinking of squeezer.
>
> is there a sequence in restarting apache and squid while
> apache is configured to be the parent ?

no.

> because some time when we restart squid or apache the squid
> process is not killed, and new process will be started.

do you mean apache is started twce?
or do you mean squid is started twice?

the second maybe related to a shutdown bug, long fixed in 2.6s12+.

Amos

>
> Quoting Colin Campbell <sgcccdc@citec.qld.gov.au>:
>
>> Hi,
>>
>> On Tue, 2007-10-23 at 01:29 -0400, squid@unixplanet.biz wrote:
>>> when I do "ps -ef | grep squid" I see
>>> squid 25921 25919 0 21:04 ? 00:00:00 (unlinkd)
>>>
>>> why it is unlinked ? I couldn't find any document to explain.
>>
>> It isn't "unlinkEd", it's "unlinkd" which is a daemon used to remove old
>> objects from the cache.
>>
>>>
>>> also I am using squid for accelerating my web server.
>>> I see following message in my access log files.
>>> TCP_MISS:FIRST_UP_PARENT "-"
>>>
>>> would you please let me know waht that message means
>>
>>> From the FAQ (http://wiki.squid-cache.org/SquidFaq/SquidLogs)
>>
>> TCP_MISS = The requested object was not in the cache.
>> FIRST_UP_PARENT = The object was fetched from the first parent in the
>> list of parents.
>>
>>> and if there is any thing I should concern about
>>> TCP_MISS:FIRST_UP_PARENT "-" 0 !!!!
>>
>> It's hard to tell exactly what you're concerned about. Show more of the
>> log entry you're worried about.
>>
>> Colin
>> --
>> Colin Campbell
>> Unix Support/Postmaster/Hostmaster
>> Citec
>> +61 7 3227 6334
>>
>
>
>
Received on Tue Oct 23 2007 - 01:39:08 MDT

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