[OpenAFS-devel] good and bad performance of memory cache

Lyle Seaman lws@o-o.yi.org
Thu, 06 Feb 2003 16:27:22 -0500


> On the server side, memcache resulted in about 1.4 million input and  
> 0.92 million output packets, while diskcache was 0.80 million input and  
> 0.90 million output.  For the fileserver process, 1:46 cpu minutes for  
> memcache and 1:03 cpu minutes for diskcache.  The 1 minute load average  
> never exceeded 0.45 in my samples, though the 5 minute load average  
> peaked at 0.28 for memcache, 0.21 for diskcache.

neat.  So, what do you think is happening?

> NFS ... resulted in 0.87 million input and 0.62 million output packets.   

That would be as seen from the server, right?