OT: Linux OS Performance Tuning
- From: mhthomas <qnxodba@xxxxxxxxx>
- To: "Oracle-L (oracle-l@xxxxxxxxxxxxx)" <oracle-l@xxxxxxxxxxxxx>
- Date: Sun, 1 May 2005 12:09:51 -0400
Hi,
http://www.bookpool.com/sm/0131486829
This is a /new/ book on LINUX performance tuning. Some of the features
described in the book require versions more recent than RHEL3 AS U4,
e.g. requires vmstat version 3.2.0 or greater with kernel version
greater than 2.5.70. Which is why I marked this thread OT, as I'm only
using RHEL3 U2-U4 for my databases.
=20
The book specifically covers FC2, EL3, and S9.1. Mladen probably can
make full use of the latest material since I think he is using the
latest/greatest FC3, e.g. vmstat -p hde3 1 3. ;-)
There seem to be good details on a variety of LINUX OS tools, and some
insightful comments. E.g. p181, "Other UNIXes support inblk and oublk
parameters in ps, which show you the amount of disk I/O issued on
behalf of a particular process. Currently, the LINUX kernel does not
track the I/O of a process, so the ps tool has no way to gather this
information".
One workaround describes using lsof to id all processes accessing
files on a particular partition, attaching to each PID with strace and
measuring I/O. Which makes me think I'd rather partition all my files
explicitly, at least for testing scenarios.
Regards,
Mike Thomas
--
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