Re: Still need GUC update_process_title?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Re: Still need GUC update_process_title?
Date: 2006-10-01 04:52:40
Message-ID: 20529.1159678360@sss.pgh.pa.us
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Bruce Momjian <bruce(at)momjian(dot)us> writes:
> We added GUC update_process_title (default is 'on') in 8.2 based on
> tests Tom ran showing that there was a performance impact for the
> process title. With the new use of strlcpy(), is there still an impact
> from process title? Tom, would you run your tests again? Thanks.

I don't really need to: the platforms on which it counts are the ones
where a kernel call is involved. It's sheer folly to suppose that
strlcpy eliminates that issue.

regards, tom lane

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