[squid-users] AUFS vs. DISKS

[Yuri Voinov]

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Fred.

It's depending your OS.

Depending your hardware.

Depending your OS configuration.

Tuning is very complex problem and tuning is EVIL.

Remember it.


PS. On MY platform diskd is the single choise. And it's very fast. 0.1
sec latency.

16.07.15 21:00, FredB пишет:
>
>>>
>>> Not sure we'll have free time for testing the previous 3.4, we now
>>> have
>>> dozens of boxes to manually upgrade to the 3.5.6...
>>> yes, we do use the original squid 3.5.6 package, no build mix here.
>>>
>>
>> Ok I will, It would be interesting to understand what happen and if
>> there is something wrong in latest versions
>> _______________________________________________
>
>
> Hi all,
>
> Quickly tested with squid 3.5.6, yes there is a big difference 
> Without any other load, just my test - wget with proxy 127.0.0.1 (no
lan) - Debian wheezy 32 bits
>
>
> aufs:
>
> [16/Jul/2015:16:15:25 +0200] "GET
http://ec.ccm2.net/www.commentcamarche.net/download/files/youtube_downloader_hd_setup-2.9.9.23.exe
HTTP/1.0" 200 10096328 TCP_HIT:HIER_NONE
>
>
100%[===========================================================================================================================================================================>]
10,095,849  26.1M/s   in 0.4s   
>
> 2015-07-16 16:15:25 (26.1 MB/s) -
`youtube_downloader_hd_setup-2.9.9.23.exe.4' saved [10095849/10095849]
>
>
> real    0m0.385s
> user    0m0.028s
> sys    0m0.164s
>
>
> diskd:
>
> [16/Jul/2015:16:17:29 +0200] "GET
http://ec.ccm2.net/www.commentcamarche.net/download/files/youtube_downloader_hd_setup-2.9.9.23.exe
HTTP/1.0" 200 10096328 TCP_HIT:HIER_NONE "Wget/1.13.4 (linux-gnu)"
>
>
> Saving to: `youtube_downloader_hd_setup-2.9.9.23.exe.6'
>
>
100%[============================================================================================>]
10,095,849   901K/s   in 14s    
>
> 2015-07-16 16:17:29 (684 KB/s) -
`youtube_downloader_hd_setup-2.9.9.23.exe.6' saved [10095849/10095849]
>
>
> real    0m14.426s
> user    0m0.016s
> sys    0m0.156s
>
> In this case it's better without cache.
>
> I understand that aufs should be better but diskd is unusable ...
>
> I also found something else, with squid 3.4.13 diskd start the
download slowly but after a short time it is fast, with 3.5.6 the
download is always slow 
> In my bench aufs is always faster (very) than diskd, no matter 3.4.3
or 3.5.6, but with high load I'm worried about warning messages in
cache.log, diskd seems more stable in this case. 
>
> _______________________________________________
> squid-users mailing list
> squid-users at lists.squid-cache.org
> http://lists.squid-cache.org/listinfo/squid-users

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