[squid-users] Objects with values below 60 second for Cache-Control max-age are not cached

[Garri Djavadyan]

On Mon, 2016-08-22 at 16:46 +0500, Garri Djavadyan wrote:
> Hello Squid users,
> 
> Can anyone explain, why Squid doesn't cache the objects with max-age
> values below 60 seconds? For example:
> 
> $ http_proxy="127.0.0.1:3128" curl --head "http://sandbox.comnet.loca
> l/
> cgi-bin/hello.cgi" && date
> HTTP/1.1 200 OK
> Date: Mon, 22 Aug 2016 11:31:16 GMT
> Server: Apache
> Cache-Control: max-age=60
> Content-Type: text/plain
> X-Cache: MISS from gentoo.comnet.uz
> Via: 1.1 gentoo.comnet.uz (squid/3.5.20)
> Connection: keep-alive
> 
> Mon Aug 22 16:31:19 UZT 2016
> 
> ---
> 
> $ http_proxy="127.0.0.1:3128" curl --head "http://sandbox.comnet.loca
> l/
> cgi-bin/hello.cgi" && date
> HTTP/1.1 200 OK
> Date: Mon, 22 Aug 2016 11:31:23 GMT
> Server: Apache
> Cache-Control: max-age=60
> Content-Type: text/plain
> X-Cache: MISS from gentoo.comnet.uz
> Via: 1.1 gentoo.comnet.uz (squid/3.5.20)
> Connection: keep-alive
> 
> Mon Aug 22 16:31:26 UZT 2016
> 
> 
> No problems with values above 60 seconds. For example:
> 
> $ http_proxy="127.0.0.1:3128" curl --head "http://sandbox.comnet.loca
> l/
> cgi-bin/hello.cgi" && date
> HTTP/1.1 200 OK
> Date: Mon, 22 Aug 2016 11:36:06 GMT
> Server: Apache
> Cache-Control: max-age=70
> Content-Type: text/plain
> X-Cache: MISS from gentoo.comnet.uz
> Via: 1.1 gentoo.comnet.uz (squid/3.5.20)
> Connection: keep-alive
> 
> Mon Aug 22 16:36:09 UZT 2016
> 
> ---
> 
> $ http_proxy="127.0.0.1:3128" curl --head "http://sandbox.comnet.loca
> l/
> cgi-bin/hello.cgi" && date
> HTTP/1.1 200 OK
> Date: Mon, 22 Aug 2016 11:36:06 GMT
> Server: Apache
> Cache-Control: max-age=70
> Content-Type: text/plain
> Age: 5
> X-Cache: HIT from gentoo.comnet.uz
> Via: 1.1 gentoo.comnet.uz (squid/3.5.20)
> Connection: keep-alive
> 
> Mon Aug 22 16:36:11 UZT 2016
> 
> 
> As you can see, time difference between origin server and localhost
> is
> 3 seconds (UZT is +5 offset).
> 
> Configuration is minimal:
> 
> # diff -u etc/squid.conf.default etc/squid.conf
> --- etc/squid.conf.default	2016-08-12 17:21:48.877474780 +0500
> +++ etc/squid.conf	2016-08-22 16:41:47.759766991 +0500
> @@ -71,3 +71,5 @@
>  refresh_pattern ^gopher:	1440	0%	1440
>  refresh_pattern -i (/cgi-bin/|\?) 0	0%	0
>  refresh_pattern .		0	20%	4320
> +
> +cache_mem 64 MB
> 
> 
> Thanks in advance!
> Garri
> _______________________________________________
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> squid-users at lists.squid-cache.org
> http://lists.squid-cache.org/listinfo/squid-users

Dear Squid developers,

Is the situation described above intended behaviour, or a bug which
should be reported? Thanks.

Garri