? 2011/8/4 igor rocha <igorlogos@xxxxxxxxx>: > Amos, > I think ve done the changes according to their observations. And > for my studies no longer have anything to adiconar, yet this file with > digests results have shown me and make me believe they have something > wrong. Could analyze the current scenario, and point out errors or > faults again ?! > > RAM > #cache_mem 16 MB > cache_mem 128 MB > maximum_object_size_in_memory 64 KB > # HD > #cache_dir aufs /var/spool/squid 512 16 256 > cache_dir aufs /var/spool/squid 512 16 256 > #maximum_object_size 128 MB > maximum_object_size 16 MB > minimum_object_size 0 KB > > # Cache Threshold limits > cache_swap_low 90 > cache_swap_high 100 > #log_icp_queries on > > #Scenario Cache-digest > #cache_peer 192.168.15.200 parent 3128 3130 > cache_peer 192.168.15.201 parent 3128 3130 > cache_peer 192.168.15.202 parent 3128 3130 > cache_peer 192.168.15.203 parent 3128 3130 > > #Tags cache-digest > > digest_generation on > > digest_bits_per_entry 5 > > digest_rebuild_period 3600 s > digest_rewrite_period 3600 s > > digest_rebuild_chunk_percentage 10 > digest_swapout_chunk_size 4096 bytes > > > #icp_port 3130 > #prefer_direct off > > # Cache Uploads > refresh_pattern ^ftp: 1440 20% 10080 > refresh_pattern ^gopher: 1440 0% 1440 > refresh_pattern . 0 20% 4320 > > # Basic configuration > http_port 3128 transparent > visible_hostname mc2-node01 > > acl cloud src 192.168.15.0/24 > #icp_access allow cloud > acl all src 0.0.0.0/0.0.0.0 > #icp_access deny all > http_access allow all > > Grateful! > > > > > > 2011/7/21 igor rocha <igorlogos@xxxxxxxxx> >> >> Thanks ! >> >> 2011/7/20 Amos Jeffries <squid3@xxxxxxxxxxxxx>: >> > On Wed, 20 Jul 2011 10:48:16 -0300, igor rocha wrote: >> >> >> >> Helo, >> >> I have many doubts about the operation and monitoring Cahe-digests. >> >> >> >> I do not know how to access the summaries created by the same, as I do?! >> > >> > http://$visible_hostname/squid-internal-periodic/store_digest >> > >> > Its a compacted binary hash, so all you find out by requesting it is whether >> > the peer is providing it, and maybe when it was Last-Modified. >> > >> >> >> >> I do not know how to ensure that all cache servers are utilising and >> >> swapping the summary cache_digests between them , is need a tag >> >> referencing she? >> > >> > You will see HTTP requests for the URL above being made between them. From >> > each squid to each of its peers for their individual digest. >> > >> >> >> >> The cache-digests is only an information exchange protocol between the >> >> caches that have to be used with a architecture of a squid (mesh, >> >> hierarquic, multicast)? >> > >> > It is a compressed form of the cache index hashes. The format and >> > construction is publicly available so there is nothing preventing other >> > cache software from providing digests which Squid can fetch. There are also >> > several caching softwares based on Squid which contain it. >> > >> >> >> >> Looking at my scenario, you can point my errors. >> >> RAM >> >> #cache_mem 16 MB >> >> cache_mem 128 MB >> >> maximum_object_size_in_memory 64 KB >> >> # HD >> >> #cache_dir aufs /var/spool/squid 512 16 256 >> >> cache_dir aufs /var/spool/squid 512 16 256 >> >> #maximum_object_size 128 MB >> >> maximum_object_size 16 MB >> >> minimum_object_size 0 KB >> >> # Cache Threshold limits >> >> cache_swap_low 90 >> >> cache_swap_high 100 >> >> #log_icp_queries on >> >> # Scenario 4. cache_didests >> >> #cache_peer 192.168.15.200 parent 3128 3130 roun-robin >> >> cache_peer 192.168.15.201 parent 3128 3130 digest-url= 192.168.15.200 >> >> 192.168.15.202 192.168.15.203 >> > >> > Only set digest URL if it is an unusual location (ie not the URL I mentioned >> > up above). >> > >> > Also " 192.168.15.200 192.168.15.201 192.168.15.203" is not a URL. >> > >> > I think you need to remove the whole attempt at configuring digest-url >> > option from the cache_peer lines. The defaults should work. >> > >> > >> >> cache_peer 192.168.15.202 parent 3128 3130 digest-url= 192.168.15.200 >> >> 192.168.15.201 192.168.15.203 >> >> cache_peer 192.168.15.203 parent 3128 3130 digest-url= 192.168.15.200 >> >> 192.168.15201 192.168.15.202 >> >> >> >> #Tags cache-digest >> >> digest_generation on >> >> digest_bits_per_entry 5 >> >> digest_rebuild_period 3600 >> >> digest_rewrite_period 3600 >> >> digest_rebuild_chunk_percentage 10 >> >> digest_swapout_chunk_size 4096 bytes >> >> >> > <snip> >> > >> > Amos >> > >
