[squid-users] stoping after rotate

[Jorgeley Junior]

I have 8GB physical memory and my swap is 32GB.
I didn't increase the swap yet, should I?

2015-09-08 9:23 GMT-03:00 Marcus Kool <marcus.kool at 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.kool at urlfilterdb.com
>> <mailto:marcus.kool at 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" <squid3 at treenet.co.nz
>> <mailto:squid3 at treenet.co.nz> <mailto:squid3 at treenet.co.nz <mailto:
>> squid3 at 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
>>
>>
>>
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>>
>>
>>
>> --
>> *_
>> _*
>> *_
>> _*
>>
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