[squid-users] Re: Re: why RELEASE?

On Thu, 2009-04-02 at 11:35 +1200, Amos Jeffries wrote:
>
> IIRC, non-cachable objects larger than max_object_size_in_memory get a
> disk object saved for the transition buffer then released when completed
> whether they need it or not. One of the inefficiencies we are working
> towards killing.

OK. But that doesn't explain these ones does it?

1239123733.599 RELEASE 00 00002503 C11C22024C6BFA7AB028CE37E26CADBD 200 1239123131 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239123733.600 SWAPOUT 00 00002548 C11C22024C6BFA7AB028CE37E26CADBD 200 1239123736 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239124338.647 RELEASE 00 00002548 C11C22024C6BFA7AB028CE37E26CADBD 200 1239123736 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239124338.649 SWAPOUT 00 000025D5 C11C22024C6BFA7AB028CE37E26CADBD 200 1239124341 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239124944.128 RELEASE 00 000025D5 C11C22024C6BFA7AB028CE37E26CADBD 200 1239124341 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239124944.130 SWAPOUT 00 0000261E C11C22024C6BFA7AB028CE37E26CADBD 200 1239124946 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239125550.777 RELEASE 00 0000261E C11C22024C6BFA7AB028CE37E26CADBD 200 1239124946 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239125550.777 SWAPOUT 00 00002660 C11C22024C6BFA7AB028CE37E26CADBD 200 1239125553 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239126156.245 RELEASE 00 00002660 C11C22024C6BFA7AB028CE37E26CADBD 200 1239125553 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239126156.247 SWAPOUT 00 000026D1 C11C22024C6BFA7AB028CE37E26CADBD 200 1239126158 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239126762.193 RELEASE 00 000026D1 C11C22024C6BFA7AB028CE37E26CADBD 200 1239126158 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239126762.193 SWAPOUT 00 0000273B C11C22024C6BFA7AB028CE37E26CADBD 200 1239126764 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239127368.419 RELEASE 00 0000273B C11C22024C6BFA7AB028CE37E26CADBD 200 1239126764 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239127368.419 SWAPOUT 00 000027BF C11C22024C6BFA7AB028CE37E26CADBD 200 1239127370 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239127976.513 RELEASE 00 000027BF C11C22024C6BFA7AB028CE37E26CADBD 200 1239127370 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239127976.515 SWAPOUT 00 00002827 C11C22024C6BFA7AB028CE37E26CADBD 200 1239127978 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239128584.002 RELEASE 00 00002827 C11C22024C6BFA7AB028CE37E26CADBD 200 1239127978 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239128584.002 SWAPOUT 00 00002A59 C11C22024C6BFA7AB028CE37E26CADBD 200 1239128586 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239129189.138 RELEASE 00 00002A59 C11C22024C6BFA7AB028CE37E26CADBD 200 1239128586 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239129189.138 SWAPOUT 00 00002A97 C11C22024C6BFA7AB028CE37E26CADBD 200 1239129191 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239129793.280 RELEASE 00 00002A97 C11C22024C6BFA7AB028CE37E26CADBD 200 1239129191 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239129793.282 SWAPOUT 00 00002AD4 C11C22024C6BFA7AB028CE37E26CADBD 200 1239129795 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239130397.185 RELEASE 00 00002AD4 C11C22024C6BFA7AB028CE37E26CADBD 200 1239129795 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif
1239130397.370 SWAPOUT 00 00003011 C11C22024C6BFA7AB028CE37E26CADBD 200 1239130399 1234617780 -1 image/gif 1366/1366 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif

Really, why should that object ever get RELEASEd?

Here's the header from a fetch of it:

HTTP/1.0 200 OK
Date: Tue, 07 Apr 2009 18:53:19 GMT
Server: Apache/2
Last-Modified: Sat, 14 Feb 2009 13:23:00 GMT
ETag: "1b88337-556-462e0da35d500"
Accept-Ranges: bytes
Content-Length: 1366
Content-Type: image/gif
Age: 197
X-Cache: HIT from linux
X-Cache-Lookup: HIT from linux:3128
Via: 1.0 linux (squid/3.0.STABLE10)
Proxy-Connection: keep-alive

Certainly in this case, it was a cache hit, a memory hit in fact:

1239130594.149 2 10.75.22.1 TCP_MEM_HIT/200 1729 GET http://www.example.org/forum/images/styles/soness/style/footer_top.gif brian NONE/- image/gif

Any ideas?

b.