On 6/06/2014 8:44 p.m., Amos Jeffries wrote:
> Hi Fernando
> The answer to your repeated "why" questions is that Squid is a huge
> piece of software and the SMP changes are relatively new and incomplete.
>
> Thank you for finding this bug. I'm forwarding to squid-dev where
> someone working on SMP may be able to help.
>
> Amos
>
> On 6/06/2014 4:54 a.m., Fernando Lozano wrote:
>> Hi there,
>>
>> Since I enabled SMP mode on my squid 3.4.3 server, reconfiguring is not
>> working consitently. Here's the relevant log entries:
>>
>> ------------------
>> 2014/06/02 11:35:37| Set Current Directory to /cache
>> 2014/06/02 11:35:37 kid6| Reconfiguring Squid Cache (version 3.4.3)...
>> 2014/06/02 11:35:37 kid6| Logfile: closing log
>> stdio:/var/log/squid/access.log
>> 2014/06/02 11:35:37 kid5| Reconfiguring Squid Cache (version 3.4.3)...
>> ...
>> 2014/06/02 11:35:37 kid6| ERROR opening swap log
>> /cache/worker6/swap.state: (2) No such file or directory
>> 2014/06/02 11:35:37 kid5| ERROR opening swap log
>> /cache/worker5/swap.state: (2) No such file or directory
>> 2014/06/02 11:35:37 kid5| storeDirWriteCleanLogs: Starting...
>> 2014/06/02 11:35:37 kid5| log.clean.start() failed for dir #1
>> 2014/06/02 11:35:37 kid5| Finished. Wrote 0 entries.
>> 2014/06/02 11:35:37 kid5| Took 0.00 seconds ( 0.00 entries/sec).
>> FATAL: UFSSwapDir::openLog: Failed to open swap log.
>> Squid Cache (Version 3.4.3): Terminated abnormally.
>> FATAL: UFSSwapDir::openLog: Failed to open swap log.
>> Squid Cache (Version 3.4.3): Terminated abnormally.
>> ------------------
>>
>> I find very strange that workers 6 and 5 try to get aufs cache stores.
>> They are supposed to be the rock store disker and the coordinator! My
>> squid.conf has:
>>
>> workers 4
>> cache_mem 6144 MB
>> cache_dir rock /cache/shared 30000 min-size=1 max-size=31000
>> max-swap-rate=250 swap-timeout=350
>> cache_dir aufs /cache/worker${process_number} 25000 16 256
>> min-size=31001 max-size=346030080
>> logfile_rotate 4
>>
>> Would squid be having troubles with my cache_mem and cache_dir big sizes?
>>
>> Is squid -k reconfigure working well for everyone else with SMP?
>>
>> Other strange entries, from earlier in the cache.log:
>> ---------------------
>> 2014/06/01 03:13:05 kid5| Set Current Directory to /cache
>> 2014/06/01 03:13:05 kid5| Starting Squid Cache version 3.4.3 for
>> x86_64-redhat-linux-gnu...
>> 2014/06/01 03:13:05 kid5| Process ID 23990
>> 2014/06/01 03:13:05 kid5| Process Roles: disker
>> 2014/06/01 03:13:05 kid5| With 65536 file descriptors available
>> 2014/06/01 03:13:05 kid5| Initializing IP Cache...
>> 2014/06/01 03:13:05 kid5| DNS Socket created at 0.0.0.0, FD 7
>> 2014/06/01 03:13:05 kid5| Adding nameserver 200.20.212.75 from
>> /etc/resolv.conf
>> 2014/06/01 03:13:05 kid5| Adding nameserver 200.20.212.99 from
>> /etc/resolv.conf
>> 2014/06/01 03:13:05 kid5| Adding domain inmetro.gov.br from
>> /etc/resolv.conf
>> 2014/06/01 03:13:05 kid5| Adding domain inmetro.gov.br from
>> /etc/resolv.conf
>> 2014/06/01 03:13:05 kid5| helperOpenServers: Starting 10/100
>> 'basic_ldap_auth' processes
>> ---------------------
>>
>> If kid5 is a disker, why does it setups up dns resolver and ldap auth
>> helpers? It looks like disker and coordinator try to process all
>> squid.conf directives, even when they are supposed not to do any
>> network-related stuff.
>>
>> Should I try to "hide" those directives from them?
>>
>> I also got something strange on shutdown:
>>
>> ----------------
>> 2014/06/02 14:36:47| Set Current Directory to /cache
>> 2014/06/02 14:36:47 kid6| Preparing for shutdown after 0 requests
>> 2014/06/02 14:36:47 kid6| Waiting 5 seconds for active connections to
>> finish
>> ...
>> 2014/06/02 14:36:53 kid6| Shutting down...
>> 2014/06/02 14:36:53 kid6| Not currently OK to rewrite swap log.
>> 2014/06/02 14:36:53 kid6| storeDirWriteCleanLogs: Operation aborted.
>> -----------------
>>
>> What means "not OK to rewrite swap log"? kid6 is the coordinator, it
>> shoud not mess with cache dirs!
>>
>>
>> []s, Fernando Lozano
>>
>
