the majority of responses said it was really no problem. I had a couple
suggestions to check sar -d as a more informative measure. I did and the
%busy was 0-1.
a couple excerpts:
from arthur darren dunham:
I/O wait time just reflects the fact that there is nothing else to do
right now, but at least one runnuable process is waiting on an I/O
transfer. That all by itself is not bad, especially in your situation.
Some other metrics for your purpose (xfers per second, transactions per
second) would be much more useful to find out how well the machine is
from anthony david:
>From my experience, RDBMS databases are I/O bound unless they
are small enough to fit into RAM (then they are CPU bound).
I have only seen Informix do this. Oracle and Ingres always
seem to get I/O bound.
They love using all the resources they can get away with.
What is abnormal is the drop to zero :-)
one response said it was a large problem. I am not really worried now that
I see the disk busy is so low and it doesn't seem to be slowing the
machine. but he did provide to very informative links that I though I
another interesting url is:
thanx to all who responded:
reinaldo luis ono
arthur darren dunahm
Erin Jones firstname.lastname@example.org
Senior System Architect
Join the Network Economy YouNetwork Corporation
This archive was generated by hypermail 2.1.2 : Fri Sep 28 2001 - 23:13:32 CDT