Re: [HACKERS] Execution time

From: Shiby Thomas <sthomas(at)cise(dot)ufl(dot)edu>
To: Mattias Kregert <matti(at)algonet(dot)se>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] Execution time
Date: 1998-03-06 17:01:59
Message-ID: 199803061702.MAA18841@cise.ufl.edu
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=> How about running "time postgres ..." and connecting to the backend
=> without using the postmaster?
=>
The time command will give the elapsed, user CPU and System CPU times.
How do I interpret it as CPU/IO time ?

Even the -s option of postgres gives those times. Will it be the same as
using "time postgres" ? Is the System time a reasonable approximation of the
I/O time and user time that of CPU time ?

Thanks
--shiby

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