[ic] Interchange slows down over time
Thomas J.M. Burton
tom at globalfocusdm.com
Tue May 31 20:23:23 UTC 2011
On 5/31/2011 12:49 PM, Mike Heins wrote:
> Quoting Thomas J.M. Burton (tom at globalfocusdm.com):
>> On 5/31/2011 11:21 AM, Mike Heins wrote:
>>> How much memory is on the machine? And when you do the "free" command,
>>> what do you get?
>>> Here it is on one of our Interchange servers:
>>> total used free shared buffers cached
>>> Mem: 4138260 3866636 271624 0 153168 1415504
>>> -/+ buffers/cache: 2297964 1840296
>>> Swap: 5156856 72 5156784
>>> You can see that there is plenty of memory, and that swap is not used
>>> at all to speak of.
>> Hi Mike,
>> Seeing this response to Margus' question prompted me to check my own
>> Interchange sever's "free" output, with the following result:
>> total used free shared buffers cached
>> Mem: 3356092 3005220 350872 0 96 2481292
>> -/+ buffers/cache: 523832 2832260
>> Swap: 8388600 18832 8369768
>> ... which leads me to wonder about the buffers. For optimal
>> Interchange performance, should I be seeing more use of the buffers
>> in conjunction with a lower use of swaps? (I should probably note
>> that this server is also running a number of PHP/MySQL sites in
>> addition to serving several Interchange catalogs).
> Buffers really depend on what is going on with your devices. If you have
> a system with low traffic, there isn't that much to buffer so use will
> be small. In other words, don't worry about it -- Linux will worry about
> it for you.
> Your "free" looks pretty good to me, I think you have plenty of memory.
Thanks, Mike! That's good to know. :)
Global Focus Digital Media, LLC
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