-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 AFAIK, if you solve issue with cache_mem 10 GB and completely disabled disk cache, then you had disk IO bottleneck exactly. You completely disable disk caches. So, all obvious now. But - what you will do after squid restart? :))))))))))))) A deadly cold memory cache, hehehe 25.02.16 1:44, Heiler Bemerguy пишет: > > Hi Eliezer, thanks for your reply. > > As you've suggested, I removed all cache_dirs to verify if the rest was stable/fast and raised cache_mem to 10GB. I didn't disable access logs because we really need it.. > > And it is super fast, I can't even notice it using only ONE core.. (and it isn't running as smp) > > %Cpu0 : 0,7 us, 1,0 sy, 0,0 ni, 98,3 id, 0,0 wa, 0,0 hi, 0,0 si, 0,0 st > %Cpu1 : 8,8 us, 5,6 sy, 0,0 ni, 76,1 id, 0,0 wa, 0,0 hi, 9,5 si, 0,0 st > %Cpu2 : 8,7 us, 4,0 sy, 0,0 ni, 83,3 id, 0,0 wa, 0,0 hi, 4,0 si, 0,0 st > %Cpu3 : 5,4 us, 3,4 sy, 0,0 ni, 86,2 id, 0,0 wa, 0,0 hi, 5,0 si, 0,0 st > %Cpu4 : 7,8 us, 5,1 sy, 0,0 ni, 73,5 id, 6,8 wa, 0,0 hi, 6,8 si, 0,0 st > %Cpu5 : 1,0 us, 1,0 sy, 0,0 ni, 98,0 id, 0,0 wa, 0,0 hi, 0,0 si, 0,0 st > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > 11604 proxy 20 0 11,6g 11g 5232 S 48,4 72,2 72:31.24 squid > > Start Time: Wed, 24 Feb 2016 15:38:59 GMT > Current Time: Wed, 24 Feb 2016 19:18:30 GMT > Connection information for squid: > Number of clients accessing cache: 1433 > Number of HTTP requests received: 2532800 > Average HTTP requests per minute since start: 11538.5 > Select loop called: 68763019 times, 0.192 ms avg > Storage Mem size: 9874500 KB > Storage Mem capacity: 94.2% used, 5.8% free > > I don't think I had a bottleneck on I/O itself, maybe the hash/search of cache indexes was too much for a single thread? > > Best Regards, > -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJWzg7aAAoJENNXIZxhPexG/1MIAJnQdPpdH3OvlkNrHhdEf+bm CrjM6BCvsADHW9udmeH4jS/U3ko4iLI/oayQELIP3WoH+hQ5pszyp8u0zfDfUkn6 s4vFOOvgSUmPxn70FQhFX93z6IhySFkKHiSvUMuN/2prH86pFz3J6+byxUMySKoU lXkImzeFVBHJLMaaVOlAZ1SwJUVb2LhUgoY7GesK7gT2mW09phFGG9I/3Sz+0Jmx fYkZBZLPMoIPNknJqlebsv/s8CaQ3Vb4bpstLZgVNxlBX0UmW7Ohu7cNOrTFXovb ooojx4nsDl8esDfrfJ/NSBVuxi7vO7jAP82gqkoJB3qQkHtAi6O66Qvr5gSBt7s= =/h/N -----END PGP SIGNATURE-----
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