Question re: General Performance Stats

Ask Bjørn Hansen ask at
Fri Jul 20 21:23:14 UTC 2007

On Jul 20, 2007, at 2:19 PM, Andrew B. Westmoreland wrote:

>  Whereas a simple "select a from b where primary key ='x' " was  
> taking ~300ms to get from our database over a simple (and very  
> busy) GigE switch, the memcache is running on localhost and is  
> seeing "query" times more like ~600ms.
> We tested it on many batch runs, and it seems that using the  
> memcache (as configured) causes a performance hit of approximately  
> 20%.  This is for a CPU-bound process that uses 100% of all CPU  
> cores in both testing scenarios.

Did you try putting memcached on another host with free CPU?

(Is the 300 vs 600ms *per db/memcached query* ?!)

  - ask

-- -

More information about the memcached mailing list