root@squid:~# curl -i --insecure --proxy http://squid:3128/ " https://10.170.31.75/redfish/v1/Oem/Supermicro/HGX_H100/Systems/HGX_Baseboard_0/Processors/GPU_SXM_4/ProcessorMetrics " HTTP/1.1 200 Connection established
HTTP/1.1 200 OK Link: <http://redfish.dmtf.org/schemas/v1/Z.v1_5_2.json>; rel=describedby Allow: GET Content-Length: 1173 Content-Type: application/json; charset=UTF-8 Strict-Transport-Security: max-age=31536000; includeSubdomains X-XSS-Protection: 1; mode=block Content-Security-Policy: default-src 'self';connect-src 'self' ws: wss:;frame-src 'self';img-src 'self' data:;object-src 'self';font-src 'self' data:;script-src 'self' 'unsafe-inline' 'unsafe-eval';style-src 'self' 'unsafe-inline';worker-src 'self' blob:; X-Frame-Options: SAMEORIGIN X-Content-Type-Options: nosniff OData-Version: 4.0 Date: Fri, 11 Oct 2024 18:03:49 GMT Cache-Status: squid;detail=mismatch Via: 1.1 squid (squid/6.10) Connection: keep-alive Cache-Control: public, max-age=1800 Second run: curl -i --insecure --proxy http://squid:3128/ " https://10.170.31.75/redfish/v1/Oem/Supermicro/HGX_H100/Systems/HGX_Baseboard_0/Processors/GPU_SXM_4/ProcessorMetrics " HTTP/1.1 200 Connection established HTTP/1.1 200 OK Link: <http://redfish.dmtf.org/schemas/v1/Z.v1_5_2.json>; rel=describedby Allow: GET Content-Length: 1173 Content-Type: application/json; charset=UTF-8 Strict-Transport-Security: max-age=31536000; includeSubdomains X-XSS-Protection: 1; mode=block Content-Security-Policy: default-src 'self';connect-src 'self' ws: wss:;frame-src 'self';img-src 'self' data:;object-src 'self';font-src 'self' data:;script-src 'self' 'unsafe-inline' 'unsafe-eval';style-src 'self' 'unsafe-inline';worker-src 'self' blob:; X-Frame-Options: SAMEORIGIN X-Content-Type-Options: nosniff OData-Version: 4.0 Date: Fri, 11 Oct 2024 18:05:16 GMT Cache-Status: squid;detail=mismatch Via: 1.1 squid (squid/6.10) Connection: keep-alive Cache-Control: public, max-age=1800 Logs: 1728669831.300 40 10.65.34.5 NONE_NONE/200 0 CONNECT 10.170.31.75:443 - HIER_NONE/- - [Host: 10.170.31.75:443\r\nUser-Agent: curl/7.81.0\r\nProxy-Connection: Keep-Alive\r\n] [HTTP/1.1 200 Connection established\r\n\r\n] 1728669831.847 546 10.65.34.5 TCP_MISS/200 2000 GET https://10.170.31.75/redfish/v1/Oem/Supermicro/HGX_H100/Systems/HGX_Baseboard_0/Processors/GPU_SXM_4/ProcessorMetrics - HIER_DIRECT/10.170.31.75 application/json [Host: 10.170.31.75\r\nUser-Agent: curl/7.81.0\r\nAccept: */*\r\n] [HTTP/1.1 200 OK\r\nLink: <http://redfish.dmtf.org/schemas/v1/Z.v1_5_2.json>; rel=describedby\r\nAllow: GET\r\nContent-Length: 1173\r\nContent-Type: application/json; charset=UTF-8\r\nStrict-Transport-Security: max-age=31536000; includeSubdomains\r\nX-XSS-Protection: 1; mode=block\r\nContent-Security-Policy: default-src 'self';connect-src 'self' ws: wss:;frame-src 'self';img-src 'self' data:;object-src 'self';font-src 'self' data:;script-src 'self' 'unsafe-inline' 'unsafe-eval';style-src 'self' 'unsafe-inline';worker-src 'self' blob:;\r\nX-Frame-Options: SAMEORIGIN\r\nX-Content-Type-Options: nosniff\r\nOData-Version: 4.0\r\nDate: Fri, 11 Oct 2024 18:03:49 GMT\r\nCache-Status: squid;detail=mismatch\r\nVia: 1.1 squid squid/6.10)\r\nConnection: keep-alive\r\nCache-Control: public, max-age=1800\r\n\r\n] 1728669917.657 39 10.65.34.5 NONE_NONE/200 0 CONNECT 10.170.31.75:443 - HIER_NONE/- - [Host: 10.170.31.75:443\r\nUser-Agent: curl/7.81.0\r\nProxy-Connection: Keep-Alive\r\n] [HTTP/1.1 200 Connection established\r\n\r\n] 1728669918.269 611 10.65.34.5 TCP_MISS/200 2000 GET https://10.170.31.75/redfish/v1/Oem/Supermicro/HGX_H100/Systems/HGX_Baseboard_0/Processors/GPU_SXM_4/ProcessorMetrics - HIER_DIRECT/10.170.31.75 application/json [Host: 10.170.31.75\r\nUser-Agent: curl/7.81.0\r\nAccept: */*\r\n] [HTTP/1.1 200 OK\r\nLink: <http://redfish.dmtf.org/schemas/v1/Z.v1_5_2.json>; rel=describedby\r\nAllow: GET\r\nContent-Length: 1173\r\nContent-Type: application/json; charset=UTF-8\r\nStrict-Transport-Security: max-age=31536000; includeSubdomains\r\nX-XSS-Protection: 1; mode=block\r\nContent-Security-Policy: default-src 'self';connect-src 'self' ws: wss:;frame-src 'self';img-src 'self' data:;object-src 'self';font-src 'self' data:;script-src 'self' 'unsafe-inline' 'unsafe-eval';style-src 'self' 'unsafe-inline';worker-src 'self' blob:;\r\nX-Frame-Options: SAMEORIGIN\r\nX-Content-Type-Options: nosniff\r\nOData-Version: 4.0\r\nDate: Fri, 11 Oct 2024 18:05:16 GMT\r\nCache-Status: squid;detail=mismatch\r\nVia: 1.1 squid (squid/6.10)\r\nConnection: keep-alive\r\nCache-Control: public, max-age=1800\r\n\r\n] 1728669831.847 RELEASE -1 FFFFFFFF 020000000000000031450B0001000000 200 1728669829 -1 -1 application/json 1173/1173 GET https://10.170.31.75/redfish/v1/Oem/Supermicro/HGX_H100/Systems/HGX_Baseboard_0/Processors/GPU_SXM_4/ProcessorMetrics 1728669918.269 RELEASE -1 FFFFFFFF 02000000000000002E450B0004000000 200 1728669916 -1 -1 application/json 1173/1173 GET https://10.170.31.75/redfish/v1/Oem/Supermicro/HGX_H100/Systems/HGX_Baseboard_0/Processors/GPU_SXM_4/ProcessorMetrics Cache log: https://p.bsd-unix.net/?bfc9a1568c49f0b6#89PnEqmjNr7iLh1ZYTLVbgbt4FouhW2RekSxeaZ3xZZs Happy to jump on irc/discord/matrix/whatever for help if easier to debug! Thanks! On Fri, Oct 11, 2024 at 4:17 AM Amos Jeffries <squ...@treenet.co.nz> wrote: > On 11/10/24 11:08, Bryan Seitz wrote: > > I removed the header mods and changed the refresh pattern to: > > > > refresh_pattern . 15 20% 1800 override-expire > > ignore-no-cache ignore-no-store ignore-private > > > > And I always get TCP_MISS. Any other thoughts? > > Ah, I believe it would be best to get a baseline of what Squid default > behaviour is like in your environment. So we can identify what/how you > need to improve it. > > > Firstly, FYI; this is what those controls **actually** do in current > Squid .. > > * override-expires ... forces Squid to handle all responses to act as > if they received "Cache-Control: max-age=900" (15 min) ... store, but > revalidate 180+ seconds (20% of 15min) later. > Result: Anything that could cache longer than 15min becomes a > REFRESH_MISS or MISS, instead of HIT. > Squid default: **do** cache. Revalidate > * after("Date"+"CC: max-age=N") timestamp, otherwise > * after "Expires" timestamp, otherwise > * after ("Date" +1800 minutes) timestamp. > > * ignore-no-cache ... the standardized "CC: no-cache" is badly named, > it tells Squid what **can** be cached. > Result: Squid will discard many stored objects and perform a MISS > instead. > Squid default: **do** cache "CC:private" responses, revalidate on > HIT. Log as REFRESH. > > * ignore-no-store ... force everything marked "CC: no-store" to be > stored. > Result: cache fills with non-reusable objects. Leaving not much room > for actual HIT objects. > Squid default: store only objects with can result in more HITs. > > * ignore-private ... force everything with "CC: private" to be discarded. > Result: same as "ignore-no-store". > Squid default: **do** cache "CC:private" responses, revalidate on HIT. > > Note that both HIT and REFRESH mean the object **was** cached. > > > You said that the access.log now contains MISS. Would that be just > "MISS" or "REFRESH" + "MISS" (actually a HIT, but a new object was given > by the server and replaced the pre-stored object). > > > Can you show a pair of request headers from the client, with matching > response from the server? You can use "debug_options 11,2" in recent > Squid versions to get a cache.log trace of the HTTP transactions. > > That might help us spot something more specific. The config change makes > the earlier given ones obsolete. > > > HTH > Amos > > > _______________________________________________ > squid-users mailing list > squid-users@lists.squid-cache.org > https://lists.squid-cache.org/listinfo/squid-users > -- Bryan Seitz seit...@gmail.com
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