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Re: EXPLAIN ANALYZE printing logical and hardware I/O per-node

From: Gregory Stark <stark(at)enterprisedb(dot)com>
To: "Decibel!" <decibel(at)decibel(dot)org>
Cc: "Neil Conway" <neilc(at)samurai(dot)com>, "pgsql-hackers list" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: EXPLAIN ANALYZE printing logical and hardware I/O per-node
Date: 2007-12-18 09:32:45
Message-ID: 871w9kcpqa.fsf@oxford.xeocode.com (view raw or flat)
Thread:
Lists: pgsql-hackers
"Decibel!" <decibel(at)decibel(dot)org> writes:

> Also, has anyone looked into adding a class of system calls that  would
> actually tell us if the kernel issued physical IO? I find it  hard to believe
> that other RDBMSes wouldn't like to have that info...

Yeah, I think that's called "DTrace"

-- 
  Gregory Stark
  EnterpriseDB          http://www.enterprisedb.com
  Ask me about EnterpriseDB's 24x7 Postgres support!

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