ok, read that already, i set cache_mem to 5GB, so is not ok? 2015-09-08 20:25 GMT-03:00 Marcus Kool <marcus.k...@urlfilterdb.com>:
> > > On 09/08/2015 10:39 AM, Jorgeley Junior wrote: > >> I have 8GB physical memory and my swap is 32GB. >> I didn't increase the swap yet, should I? >> > > You must start with reading the memory FAQ: > http://wiki.squid-cache.org/SquidFaq/SquidMemory > > The general rule for all processes applies: make sure that a process is > *not* larger than 80% of the physical memory. > In your case, you must reduce cache_mem and make sure that Squid does not > use more than 6 GB. > > A swap of 32 GB is fine for a system with 8 GB physical memory. > > I also suggest to consider a memory upgrade. > > Marcus > > > 2015-09-08 9:23 GMT-03:00 Marcus Kool <marcus.k...@urlfilterdb.com >> <mailto:marcus.k...@urlfilterdb.com>>: >> >> >> >> On 09/08/2015 08:11 AM, Jorgeley Junior wrote: >> >> Thank you all, this is the output: >> vm.overcommit_memory = 0 >> vm.swappiness = 60 >> I have a Redhat 6.6 >> >> >> The value of vm.overcommit_memory is OK. >> The default value for vm.swappiness is way too high. It means that >> Linux swaps out parts of processes when they are idle for a while. >> For better overall system performance, you want those processes in >> memory as long as possible and not swapped out so I recommend to change it >> to 15. >> This implies that the OS has 15% of the physical memory available for >> file system buffers which is plenty. >> >> You only mentioned that the swap is 32 GB. What is the size of the >> physical memory ? >> >> Did you already increase the swap ? >> >> Marcus >> >> >> 2015-09-05 15:08 GMT-03:00 Marcus Kool < >> marcus.k...@urlfilterdb.com <mailto:marcus.k...@urlfilterdb.com> <mailto: >> marcus.k...@urlfilterdb.com <mailto:marcus.k...@urlfilterdb.com>>>: >> >> On Linux, an important sysctl parameter that determines how >> Linux behaves with respect to VM allocation is vm.overcommit_memory (should >> be 0). >> And vm.swappiness is important to tune servers (should be >> 10-15). >> >> Which version of Linux do you have and what is the output of >> sysctl -a | grep -e vm.overcommit_memory -e >> vm.swappiness >> >> Marcus >> >> >> On 09/04/2015 07:04 PM, Jorgeley Junior wrote: >> >> Thanks Amos, i will increase the swap >> >> Em 04/09/2015 17:22, "Amos Jeffries" < >> squ...@treenet.co.nz <mailto:squ...@treenet.co.nz> <mailto: >> squ...@treenet.co.nz <mailto:squ...@treenet.co.nz>> <mailto: >> squ...@treenet.co.nz >> <mailto:squ...@treenet.co.nz> <mailto:squ...@treenet.co.nz >> <mailto:squ...@treenet.co.nz>>>> escreveu: >> >> On 5/09/2015 7:16 a.m., Jorgeley Junior wrote: >> > Thanks Amos, my swap is 32GB, so that's causing >> the error as you said. >> > Which is the better choice: increase the swap >> size or reduce the >> > cache_mem??? >> > >> >> Both probably. 128 GB swap I suspect you will need. >> >> Increase the swap so the system lets Squid use more >> virtual memory. >> >> Decrease the cache_mem so that Squid does not >> actually end up using the >> swap for its main worker processes. That is a real >> killer for performance. >> >> >> Amos >> >> >> >> _______________________________________________ >> squid-users mailing list >> squid-users@lists.squid-cache.org <mailto: >> squid-users@lists.squid-cache.org> <mailto: >> squid-users@lists.squid-cache.org <mailto: >> squid-users@lists.squid-cache.org>> >> http://lists.squid-cache.org/listinfo/squid-users >> >> >> >> >> -- >> *_ >> _* >> *_ >> _* >> >> _______________________________________________ >> squid-users mailing list >> squid-users@lists.squid-cache.org <mailto: >> squid-users@lists.squid-cache.org> >> http://lists.squid-cache.org/listinfo/squid-users >> >> >> >> >> -- >> *_ >> _* >> *_ >> _* >> > _______________________________________________ > squid-users mailing list > squid-users@lists.squid-cache.org > http://lists.squid-cache.org/listinfo/squid-users > --
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