cpu vs. i/o times (was: Re: Performance question (Am I doing something wrong?))

[Beni Ruef <br...@es.unizh.ch>]

On Monday, November 11, 2002, at 03:38, Jeff Greif wrote:

>> % /usr/bin/time xindice xpath -c /db/resumes -q 
>> "/candidate[biographic_data/id='ANON2021']" >ANON2021_2.xml
>>        372.72 real         2.22 user         1.22 sys
>
> Notice that the cpu time is only
> about 3s, so all the delay is in some kind of i/o or paging...

Notice that this is just the cpu time of the xindice client, i.e. the 
command line interface!  If you're running your server on the same host 
you'll notice (with top or ps) that the "remaining" seconds are eaten by 
the server process(es).

-Beni