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Re: Identifying the nature of blocking I/O

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Scott Carey" <scott(at)richrelevance(dot)com>
Cc: "Craig Ringer" <craig(at)postnewspapers(dot)com(dot)au>, "Peter Schuller" <peter(dot)schuller(at)infidyne(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Identifying the nature of blocking I/O
Date: 2008-08-25 01:49:51
Message-ID: 1028.1219628991@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-performance
"Scott Carey" <scott(at)richrelevance(dot)com> writes:
> DTrace is available now on MacOSX, Solaris 10, OpenSolaris, and FreeBSD.
> Linux however is still in the dark ages when it comes to system monitoring,
> especially with I/O.

Oh, after poking around a bit, I should note that some of my Red Hat
compatriots think that "systemtap" is the long-term Linux answer here.
I know zip about it myself, but it's something to read up on if you are
looking for better performance monitoring on Linux.

			regards, tom lane

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