Re: [squid-users] daemon.log[squid-users] Squid stops responding-LTSP and WinXP clients

From: Amos Jeffries <squid3_at_treenet.co.nz>
Date: Thu, 17 Sep 2009 12:18:08 +1200

On Wed, 16 Sep 2009 17:01:49 +0530, Avinash Rao <avinash.aol_at_gmail.com>
wrote:
> On Wed, Sep 16, 2009 at 4:30 PM, Amos Jeffries <squid3_at_treenet.co.nz>
> wrote:
>> Avinash Rao wrote:
>>>
>>> On Wed, Sep 16, 2009 at 4:20 PM, Amos Jeffries <squid3_at_treenet.co.nz>
>>> wrote:
>>>>
>>>> Avinash Rao wrote:
>>>>>
>>>>> On Wed, Sep 16, 2009 at 1:49 PM, Avinash Rao <avinash.aol_at_gmail.com>
>>>>> wrote:
>>>>>>
>>>>>> On Tue, Sep 15, 2009 at 4:46 AM, Henrik Nordstrom
>>>>>> <henrik_at_henriknordstrom.net> wrote:
>>>>>>>
>>>>>>> mån 2009-09-14 klockan 19:33 +0530 skrev Avinash Rao:
>>>>>>>
>>>>>>>> I am having problems with Squid everyday.. twice everyday to be
>>>>>>>> precise.
>>>>>>>> Squid stops responding.. I have to restart squid service to resume
>>>>>>>> service. Even the old cache_mem = 100MB setting had the same
>>>>>>>> problem,
>>>>>>>> the current setting of cache_dir = null /tmp is also giving the
>>>>>>>> same
>>>>>>>> problem.
>>>>>>>>
>>>>>>>> How do i resolve this?
>>>>>>>
>>>>>>> By first figuring out how and why it's stopping.
>>>>>>>
>>>>>>> Is the process still running?
>>>>>>>
>>>>>>> Is there anything in cache.log saying why it stopped?
>>>>>>>
>>>>>>> Regards
>>>>>>> Henrik
>>>>>>>
>>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I don't see anything related to squid in /var/log/messages but there
>>>>>> a
>>>>>> lot of entries which says -Mark- and few entries of the below
>>>>>>
>>>>>> Sep 14 12:13:18 sunbox kernel: [ 112.579221] system 00:0e: iomem
>>>>>> range 0x100000 -0xdfffffff could not be reserved
>>>>>>
>>>>>> Sep 14 12:13:18 sunbox kernel: [ 0.000000] swsusp: Registered
>>>>>> nosave memory region: 000000000009f000 - 00000000000a0000
>>>>>>
>>>>>> The cache.log is not populated:
>>>>>>
>>>>>> root_at_sunbox:/var/log/squid# more cache.log.1
>>>>>> 2009/09/15 08:02:19| storeDirWriteCleanLogs: Starting...
>>>>>> 2009/09/15 08:02:19| Finished. Wrote 0 entries.
>>>>>> 2009/09/15 08:02:19| Took 0.0 seconds ( 0.0 entries/sec).
>>>>>> 2009/09/15 08:02:19| logfileRotate: /var/log/squid/store.log
>>>>>> 2009/09/15 08:02:19| logfileRotate: /var/log/squid/access.log
>>>>>> 2009/09/15 14:55:30| storeLocateVary: Not our vary marker object,
>>>>>> 78ED95245D6EA8
>>>>>> CBB231047CAEE1E30F = 'http://m1.2mdn.net/879366/flashwrite_1_2.js',
>>>>>> 'accept-enco
>>>>>> ding="gzip,deflate"'/'-'
>>>>>> 2009/09/15 14:59:49| storeLocateVary: Not our vary marker object,
>>>>>> 78ED95245D6EA8
>>>>>> CBB231047CAEE1E30F = 'http://m1.2mdn.net/879366/flashwrite_1_2.js',
>>>>>> 'accept-enco
>>>>>> ding="gzip,deflate"'/'-'
>>>>>>
>>>>>> more cache.log
>>>>>> 2009/09/16 07:58:04| storeDirWriteCleanLogs: Starting...
>>>>>> 2009/09/16 07:58:04| Finished. Wrote 0 entries.
>>>>>> 2009/09/16 07:58:04| Took 0.0 seconds ( 0.0 entries/sec).
>>>>>> 2009/09/16 07:58:04| logfileRotate: /var/log/squid/store.log
>>>>>> 2009/09/16 07:58:04| logfileRotate: /var/log/squid/access.log
>>>>>> 2009/09/16 08:38:01| httpReadReply: Excess data from "GET
>>>>>> http://webcs.msg.yahoo
>>>>>> .com/crossdomain.xml"
>>>>>>
>>>>>> Avinash
>>>>>>
>>>>> Daemon.log
>>>>> Here's what the daemon.log file reads if i restart squid.
>>>>>
>>>>> Sep 16 15:14:28 sunbox squid[6382]: Preparing for shutdown after
38603
>>>>> requests
>>>>> Sep 16 15:14:28 sunbox squid[6382]: Waiting 30 seconds for active
>>>>> connections to finish
>>>>> Sep 16 15:14:28 sunbox squid[6382]: FD 10 Closing HTTP connection
>>>>> Sep 16 15:14:59 sunbox squid[6382]: Shutting down...
>>>>> Sep 16 15:14:59 sunbox squid[6382]: FD 11 Closing ICP connection
>>>>> Sep 16 15:14:59 sunbox squid[6382]: WARNING: Closing client
>>>>> 10.10.10.200 connection due to lifetime timeout
>>>>> Sep 16 15:14:59 sunbox squid[6382]:
>>>>>
>>>>>
>>>>>
^Ihttp://mail.google.com/a/aolcep.org/channel/bind?VER=6&it=200825&at=xn3j31vv6ibmsnkg4qg2ctmvxmdqru&RID=rpc&SID=EBB5D5B4EDA6065B&CI=0&AID=163&TYPE=xmlhttp&zx=z3okb8-nrvdq2&t=1
>>>>> Sep 16 15:14:59 sunbox squid[6382]: WARNING: Closing client
>>>>> 10.10.10.200 connection due to lifetime timeout
>>>>> Sep 16 15:14:59 sunbox squid[6382]:
>>>>>
>>>>>
>>>>>
^Ihttp://mail.google.com/mail/channel/bind?VER=6&it=417745&at=xn3j2ue36lbqrpvy8tuyo5qm4yr368&RID=rpc&SID=ACC227B9816E025D&CI=0&AID=561&TYPE=xmlhttp&zx=ag3xlj-tk3pkm&t=1
>>>>> 6Zb3tnokBgp5TovAALAIKL_Q2qeeRC_OTEe6m9cmy-U67iM3IF8j0TdQQ==
>>>>> Sep 16 15:14:59 sunbox squid[6382]: storeDirWriteCleanLogs:
>>>>> Starting...
>>>>> Sep 16 15:14:59 sunbox squid[6382]: Finished. Wrote 0 entries.
>>>>> Sep 16 15:14:59 sunbox squid[6382]: Took 0.0 seconds ( 0.0
>>>>> entries/sec).
>>>>> Sep 16 15:14:59 sunbox squid[6382]: Squid Cache (Version
>>>>> 2.6.STABLE18): Exiting normally.
>>>>> Sep 16 15:14:59 sunbox squid[6379]: Squid Parent: child process 6382
>>>>> exited with status 0
>>>>> Sep 16 15:15:01 sunbox squid[17927]: Creating Swap Directories
>>>>> Sep 16 15:15:01 sunbox squid[17931]: Squid Parent: child process
17934
>>>>> started
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Starting Squid Cache version
>>>>> 2.6.STABLE18 for amd64-debian-linux-gnu...
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Process ID 17934
>>>>> Sep 16 15:15:01 sunbox squid[17934]: With 1024 file descriptors
>>>>> available
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Using epoll for the IO loop
>>>>> Sep 16 15:15:01 sunbox squid[17934]: DNS Socket created at 0.0.0.0,
>>>>> port 57386, FD 7
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Adding nameserver 192.168.1.1
>>>>> from /etc/resolv.conf
>>>>> Sep 16 15:15:01 sunbox squid[17934]: User-Agent logging is disabled.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Referer logging is disabled.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Swap maxSize 0 KB, estimated 0
>>>>> objects
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Target number of buckets: 0
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Using 8192 Store buckets
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Max Mem size: 8192 KB
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Max Swap size: 0 KB
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Local cache digest enabled;
>>>>> rebuild/rewrite every 3600/3600 sec
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Using Least Load store dir
>>>>> selection
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Set Current Directory to
>>>>> /var/spool/squid
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Loaded Icons.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Accepting proxy HTTP connections
>>>>> at 10.10.10.200, port 3128, FD 10.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Accepting ICP messages at
>>>>> 0.0.0.0, port 3130, FD 11.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: HTCP Disabled.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: WCCP Disabled.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Ready to serve requests.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Finished rebuilding storage from
>>>>> disk.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: 0 Entries scanned
>>>>> Sep 16 15:15:01 sunbox squid[17934]: 0 Invalid entries.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: 0 With invalid flags.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: 0 Objects loaded.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: 0 Objects expired.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: 0 Objects cancelled.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: 0 Duplicate URLs purged.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: 0 Swapfile clashes
>>>>> avoided.
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Took 0.0 seconds ( 0.0
>>>>> objects/sec).
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Beginning Validation Procedure
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Completed Validation Procedure
>>>>> Sep 16 15:15:01 sunbox squid[17934]: Validated 0 Entries
>>>>> Sep 16 15:15:01 sunbox squid[17934]: store_swap_size = 0k
>>>>> Sep 16 15:15:02 sunbox squid[17934]: storeLateRelease: released 0
>>>>> objects
>>>>
>>>> Looks annoyingly normal :(
>>>> Nothing to indicate any problems yet.
>>>>
>>>> Is your traffic load small enough or disk space large enough to run
>>>> Squid
>>>> with -X (full debug output to the logs) command line option?
>>>>
>>>> Amos
>>>> --
>>>> Please be using
>>>> Current Stable Squid 2.7.STABLE6 or 3.0.STABLE19
>>>> Current Beta Squid 3.1.0.13
>>>>
>>>
>>>
>>> Yes, I don;t see a network traffic problem cox i have 4 network ports
>>> enabled on my server and one is dedicated for squid and about 20 WinXP
>>> + 5 LTSP users using internet at all times so its not all that big
>>> traffic.
>>>
>>> Yes, I have lots of HDD space that can be used to enable full debug,
>>> how do i do this? and how much space do i need.
>>
>> I would guess a few dozen KB per request is dumping to the logs for the
>> time
>> it takes Squid to stop responding.
>>
>> It's done by adding "-X" to the command line options Squid starts with.
>> Locate how Squid us starting and see if the startup command or script
>> (maybe
>> /etc/init.d/squid ?) can be added to the other options passed to Squid.
>>
>> Amos
>> --
>> Please be using
>> Current Stable Squid 2.7.STABLE6 or 3.0.STABLE19
>> Current Beta Squid 3.1.0.13
>>
>
> Is this same as using debug_option ALL, 1 in squid.conf.

No its similar to using debug_options ALL,9 in squid.conf and additionally
dumping the same level of debug during startup/shutdown to daemon.log when
cache.log is not available.

Amos
Received on Thu Sep 17 2009 - 00:18:15 MDT

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