Re: [squid-users] 3.2.5 comm_open: socket failure: (24) Too many open files

I made sure and squid logs the current available FD from the OS and not
just using compiled options.

2012/12/29 23:16:18 kid1| With 8192 file descriptors available

Eliezer

On 29/12/2012 22:41, 叶雨飞 wrote:
> So you are saying even squid is configured to use 16384 fd, it
> couldn't because limit is 1024?
>
> That's kind of confusing, I tried to use ulimit -n 16384 as root to
> raise FD limit now, will report back.
>
> Maybe squid can probe at start and warn about mis-matching fd limits?
>
> On Sat, Dec 29, 2012 at 12:16 PM, Eliezer Croitoru <eliezer_at_ngtech.co.il> wrote:
>> Hey,
>>
>> It's probably the linux ulimit settings.
>> run:
>> ulimit -Sn
>> ulimit -Hn
>>
>> If there is a limit of 1k in the list you will need to change it since squid
>> bound to the OS limits.
>>
>> Regards,
>> Eliezer
>>
>>
>>
>> On 29/12/2012 14:30, 叶雨飞 wrote:
>>>
>>> Squid is configured with 16384 FD and it is only using 1k, it seems it
>>> is still complains about running out of FD. Is there a regression from
>>> 3.2.5 -》 3.2.2 ?
>>>
>>> 2012/12/29 04:25:53 kid1| Reserved FD adjusted from 100 to 15391 due to
>>> failures
>>> 2012/12/29 04:25:53 kid1| comm_open: socket failure: (24) Too many open
>>> files
>>> 2012/12/29 04:25:53 kid1| comm_open: socket failure: (24) Too many open
>>> files
>>> 2012/12/29 04:25:53 kid1| comm_open: socket failure: (24) Too many open
>>> files
>>> 2012/12/29 04:25:53 kid1| comm_open: socket failure: (24) Too many open
>>> files
>>> 2012/12/29 04:25:53 kid1| WARNING! Your cache is running out of
>>> filedescriptors
>>>
>>>
>>>
>>> # squidclient -p 9444 mgr:info
>>> HTTP/1.1 200 OK
>>> Server: squid/3.2.5
>>> Mime-Version: 1.0
>>> Date: Sat, 29 Dec 2012 12:28:37 GMT
>>> Content-Type: text/plain
>>> Expires: Sat, 29 Dec 2012 12:28:37 GMT
>>> Last-Modified: Sat, 29 Dec 2012 12:28:37 GMT
>>> X-Cache: MISS from oow-ssh
>>> X-Cache-Lookup: MISS from oow-ssh:9444
>>> Connection: close
>>>
>>> Squid Object Cache: Version 3.2.5
>>> Start Time: Sat, 29 Dec 2012 12:24:37 GMT
>>> Current Time: Sat, 29 Dec 2012 12:28:37 GMT
>>> Connection information for squid:
>>> Number of clients accessing cache: 0
>>> Number of HTTP requests received: 4257
>>> Number of ICP messages received: 0
>>> Number of ICP messages sent: 0
>>> Number of queued ICP replies: 0
>>> Number of HTCP messages received: 0
>>> Number of HTCP messages sent: 0
>>> Request failure ratio: 0.00
>>> Average HTTP requests per minute since start: 1064.1
>>> Average ICP messages per minute since start: 0.0
>>> Select loop called: 1196966 times, 0.201 ms avg
>>> Cache information for squid:
>>> Hits as % of all requests: 5min: 0.5%, 60min: 0.5%
>>> Hits as % of bytes sent: 5min: 0.2%, 60min: 0.2%
>>> Memory hits as % of hit requests: 5min: 23.8%, 60min: 23.8%
>>> Disk hits as % of hit requests: 5min: 0.0%, 60min: 0.0%
>>> Storage Swap size: 0 KB
>>> Storage Swap capacity: 0.0% used, 0.0% free
>>> Storage Mem size: 32512 KB
>>> Storage Mem capacity: 99.2% used, 0.8% free
>>> Mean Object Size: 0.00 KB
>>> Requests given to unlinkd: 0
>>> Median Service Times (seconds) 5 min 60 min:
>>> HTTP Requests (All): 0.13498 0.13498
>>> Cache Misses: 0.13498 0.13498
>>> Cache Hits: 0.00000 0.00000
>>> Near Hits: 0.07409 0.07409
>>> Not-Modified Replies: 0.00000 0.00000
>>> DNS Lookups: 0.02683 0.02683
>>> ICP Queries: 0.00000 0.00000
>>> Resource usage for squid:
>>> UP Time: 240.038 seconds
>>> CPU Time: 21.460 seconds
>>> CPU Usage: 8.94%
>>> CPU Usage, 5 minute avg: 8.94%
>>> CPU Usage, 60 minute avg: 8.94%
>>> Process Data Segment Size via sbrk(): 111960 KB
>>> Maximum Resident Size: 457216 KB
>>> Page faults with physical i/o: 0
>>> Memory usage for squid via mallinfo():
>>> Total space in arena: 112092 KB
>>> Ordinary blocks: 105455 KB 1075 blks
>>> Small blocks: 0 KB 0 blks
>>> Holding blocks: 17236 KB 6 blks
>>> Free Small blocks: 0 KB
>>> Free Ordinary blocks: 6637 KB
>>> Total in use: 6637 KB 5%
>>> Total free: 6637 KB 5%
>>> Total size: 129328 KB
>>> Memory accounted for:
>>> Total accounted: 41168 KB 32%
>>> memPool accounted: 41168 KB 32%
>>> memPool unaccounted: 88160 KB 68%
>>> memPoolAlloc calls: 9
>>> memPoolFree calls: 964366
>>> File descriptor usage for squid:
>>> Maximum number of file descriptors: 16384
>>> Largest file desc currently in use: 991
>>> Number of file desc currently in use: 611
>>> Files queued for open: 0
>>> Available number of file descriptors: 15773
>>> Reserved number of file descriptors: 15391
>>> Store Disk files open: 0
>>> Internal Data Structures:
>>> 1969 StoreEntries
>>> 1969 StoreEntries with MemObjects
>>> 1956 Hot Object Cache Items
>>> 0 on-disk objects
>>>
>>
>> --
>> Eliezer Croitoru
>> https://www1.ngtech.co.il
>> sip:ngtech_at_sip2sip.info
>> IT consulting for Nonprofit organizations
>> eliezer <at> ngtech.co.il

-- 
Eliezer Croitoru
https://www1.ngtech.co.il
sip:ngtech_at_sip2sip.info
IT consulting for Nonprofit organizations
eliezer <at> ngtech.co.il