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List:       squid-users
Subject:    Re: [squid-users] delays in squid.
From:       "Azfar Hashmi" <azfarhashmi () gmail ! com>
Date:       2007-09-29 8:29:27
Message-ID: 9eccb0d90709290129m79a3b347md4940becd329ec2 () mail ! gmail ! com
[Download RAW message or body]

###########################
squidclient mgr:info
#######################
HTTP/1.0 200 OK
Server: squid/2.6.STABLE12
Date: Sat, 29 Sep 2007 08:27:35 GMT
Content-Type: text/plain
Expires: Sat, 29 Sep 2007 08:27:35 GMT
Last-Modified: Sat, 29 Sep 2007 08:27:35 GMT
X-Cache: MISS from proxy.eworld.net.pk
X-Cache-Lookup: MISS from proxy.eworld.net.pk:3128
Via: 1.0 proxy.eworld.net.pk:3128 (squid/2.6.STABLE12)
Proxy-Connection: close

Squid Object Cache: Version 2.6.STABLE12
Start Time:     Thu, 27 Sep 2007 07:43:03 GMT
Current Time:   Sat, 29 Sep 2007 08:27:35 GMT
Connection information for squid:
        Number of clients accessing cache:      1
        Number of HTTP requests received:       922891
        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:   315.6
        Average ICP messages per minute since start:    0.0
        Select loop called: 79249222 times, 2.214 ms avg
Cache information for squid:
        Request Hit Ratios:     5min: 0.0%, 60min: 0.0%
        Byte Hit Ratios:        5min: -0.0%, 60min: -0.0%
        Request Memory Hit Ratios:      5min: 0.0%, 60min: 0.0%
        Request Disk Hit Ratios:        5min: 0.0%, 60min: 0.0%
        Storage Swap size:      1938180 KB
        Storage Mem size:       130292 KB
        Mean Object Size:       15.32 KB
        Requests given to unlinkd:      0
Median Service Times (seconds)  5 min    60 min:
        HTTP Requests (All):   0.00000  0.00000
        Cache Misses:          0.00000  0.00000
        Cache Hits:            0.00000  0.00000
        Near Hits:             0.00000  0.00000
        Not-Modified Replies:  0.00000  0.00000
        DNS Lookups:           0.00000  0.00000
        ICP Queries:           0.00000  0.00000
Resource usage for squid:
        UP Time:        175471.316 seconds
        CPU Time:       610.098 seconds
        CPU Usage:      0.35%
        CPU Usage, 5 minute avg:        0.00%
        CPU Usage, 60 minute avg:       0.00%
        Process Data Segment Size via sbrk(): 178100 KB
        Maximum Resident Size: 0 KB
        Page faults with physical i/o: 1
Memory usage for squid via mallinfo():
        Total space in arena:  178100 KB
        Ordinary blocks:       176144 KB    188 blks
        Small blocks:               0 KB      0 blks
        Holding blocks:         15624 KB      3 blks
        Free Small blocks:          0 KB
        Free Ordinary blocks:    1955 KB
        Total in use:          191768 KB 99%
        Total free:              1955 KB 1%
        Total size:            193724 KB
Memory accounted for:
        Total accounted:       164076 KB
        memPoolAlloc calls: 119417680
        memPoolFree calls: 118542404
File descriptor usage for squid:
        Maximum number of file descriptors:   65535
        Largest file desc currently in use:     14
        Number of file desc currently in use:   12
        Files queued for open:                   0
        Available number of file descriptors: 65523
        Reserved number of file descriptors:   100
        Store Disk files open:                   0
        IO loop method:                     epoll
Internal Data Structures:
        127459 StoreEntries
         21644 StoreEntries with MemObjects
         21643 Hot Object Cache Items
        126496 on-disk objects

##############################
squidclient mgr:5min  | grep client
################################
client_http.requests = 0.003333/sec
client_http.hits = 0.000000/sec
client_http.errors = 0.000000/sec
client_http.kbytes_in = 0.000000/sec
client_http.kbytes_out = 0.010000/sec
client_http.all_median_svc_time = 0.000000 seconds
client_http.miss_median_svc_time = 0.000000 seconds
client_http.nm_median_svc_time = 0.000000 seconds
client_http.nh_median_svc_time = 0.000000 seconds
client_http.hit_median_svc_time = 0.000000 seconds

On 9/27/07, Tek Bahadur Limbu <teklimbu@wlink.com.np> wrote:
> Hi Azfar Hashmi,
>
>
> Azfar Hashmi wrote:
> > I am running squid on a 3ghz p4 processor with 1gb ddr ram. My max
> > simaltanous users are 250 and average 100. I have a 3.5mb circuit on
> > it. I have a 160GB SATAII harddrive on it.
> > My problem is i am getting huge delay with squid (5-10sec in each
> > request and some times more) on peak hours but if i bypass the squid
> > every thing is perfect and page complete in just 1 sec normaly.
>
>
> For a bandwidth pipe of 3.5 mbps, your Squid box should be able to
> support 250 users. By which means do you get you bandwidth?
>
> Do you have large ACLs used for filtering in your Squid box? If yes,
> then the problem of the huge delay could be attributed to your ACLs.
>
> Posting your squid.conf might help? Which OS, firewall and version of
> Squid are you using?
>
> DNS could also be the culprit. Are you running a local caching nameserver?
>
>
> >
> > I have defined 20GB in cache_dir.
> >
> > I want to know with that hardware how many users squid can handle and
> > how much bandwidth it can handle?
>
> Can you post us the output of the following 2 commands:
>
> squidclient mgr:info
>
>        and
>
> squidclient mgr:5min  | grep client
>
>
> Thanking you...
>
>
>
> >
> >
> >
>
>
> --
>
> With best regards and good wishes,
>
> Yours sincerely,
>
> Tek Bahadur Limbu
>
> System Administrator
>
> (TAG/TDG Group)
> Jwl Systems Department
>
> Worldlink Communications Pvt. Ltd.
>
> Jawalakhel, Nepal
>
> http://www.wlink.com.np
>
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