[ZODB-Dev] Re: ZODB Benchmarks

[David Pratt]

Hi Benji. Have you any settings to recommend or use a default. Many thanks.

Regards,
David

Benji York wrote:
> Roché Compaan wrote:
>> On Tue, 2008-03-04 at 13:27 -0700, Shane Hathaway wrote:
>>> Maybe if you set up a ZODB cache that allows just over 10 million 
>>> objects, the lookup time will drop to microseconds.  You might need a 
>>> lot of RAM to do that, though.
>>
>> Maybe, but somehow I think that disk IO will prevent this. I'll check.
> 
> If you're on Linux, you can tweak swappiness (/proc/sys/vm/swappiness; 
> http://lwn.net/Articles/83588/) to affect how much RAM is used for the 
> page cache and how much for your process.