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On Wed, 20 Jun 2007 18:50:39 +0800
Adrian Chadd <adrian@xxxxxxxxxxxxxxx> wrote:
> G'day everyone,
>
> I'd like to post some current "internet" caching stats for corporate
> and ISP forward caching.
>
> I'm interested in traffic throughput, request rate, byte and
> hitrate statistics.
>
> (I'm basically looking to build a page or two about this on the
> Squid website to counter the current view that there's no point
> in running forward caches in the real world today. I really
> could do with all the help I could get on this, as I don't
> currently run forward caches in an ISP environment..)
>
Hi Adrian,
Without forward proxy caching, I can't believe how most ISPs in the South-East Asian region will cope with their limited bandwidth. Especially where bandwidth is managed through satellites.
Even if bandwidth does come via fiber link in the future, we (ISPs) need to have more and finer control regarding how our clients and customers web traffic gets managed. There has to be somebody to regulate web traffic.
Below is the current mgr:info of our busiest proxy server:
Squid Object Cache: Version 2.6.STABLE9
Start Time: Tue, 12 Jun 2007 17:34:52 GMT
Current Time: Wed, 20 Jun 2007 11:30:40 GMT
Connection information for squid:
Number of clients accessing cache: 3586
Number of HTTP requests received: 39539189
Number of ICP messages received: 151104714
Number of ICP messages sent: 151191355
Number of queued ICP replies: 8
Request failure ratio: 0.00
Average HTTP requests per minute since start: 3544.3
Average ICP messages per minute since start: 27097.7
Select loop called: 1116571712 times, 0.599 ms avg
Cache information for squid:
Request Hit Ratios: 5min: 37.5%, 60min: 37.4%
Byte Hit Ratios: 5min: 28.5%, 60min: 29.5%
Request Memory Hit Ratios: 5min: 0.6%, 60min: 3.0%
Request Disk Hit Ratios: 5min: 58.2%, 60min: 56.8%
Storage Swap size: 25881879 KB
Storage Mem size: 32752 KB
Mean Object Size: 16.91 KB
Requests given to unlinkd: 0
Median Service Times (seconds) 5 min 60 min:
HTTP Requests (All): 0.64968 0.64968
Cache Misses: 1.24267 1.31166
Cache Hits: 0.00767 0.00767
Near Hits: 1.24267 1.24267
Not-Modified Replies: 0.00091 0.00091
DNS Lookups: 0.08334 0.11926
ICP Queries: 0.00108 0.00108
Resource usage for squid:
UP Time: 669347.998 seconds
CPU Time: 68797.955 seconds
CPU Usage: 10.28%
CPU Usage, 5 minute avg: 19.93%
CPU Usage, 60 minute avg: 20.78%
Process Data Segment Size via sbrk(): 476748 KB
Maximum Resident Size: 481720 KB
Page faults with physical i/o: 7
Memory accounted for:
Total accounted: 298283 KB
memPoolAlloc calls: 1003654149
memPoolFree calls: 998715555
File descriptor usage for squid:
Maximum number of file descriptors: 16384
Largest file desc currently in use: 2158
Number of file desc currently in use: 1815
Files queued for open: 0
Available number of file descriptors: 14569
Reserved number of file descriptors: 100
Store Disk files open: 0
IO loop method: kqueue
Internal Data Structures:
1533434 StoreEntries
3023 StoreEntries with MemObjects
2478 Hot Object Cache Items
1530895 on-disk objects
I also want to thank all Squid developers for your wonderful product Squid.
Thanking you...
> Thanks,
>
>
>
> Adrian
>
>
- --
With best regards and good wishes,
Yours sincerely,
Tek Bahadur Limbu
(TAG/TDG Group)
Jwl Systems Department
Worldlink Communications Pvt. Ltd.
Jawalakhel, Nepal
http://www.wlink.com.np
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