| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Martin Pihlak <martin(dot)pihlak(at)gmail(dot)com> |
| Cc: | Neil Conway <neilc(at)samurai(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: stored procedure stats in collector |
| Date: | 2007-09-24 15:36:56 |
| Message-ID: | 14479.1190648216@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Martin Pihlak <martin(dot)pihlak(at)gmail(dot)com> writes:
> Neil Conway wrote:
>> That seems a confusing set of values. Perhaps "off", "pl", and "all"
>> would be clearer?
> Makes sense. It appears that the stats_ prefixed GUC names are deprecated now.
> Will rename to "track_functions" and change values to "off", "pl" and
> "all". Or should I use "none" instead of "off"?
"None" seems good, by analogy with log_statement's values.
> It seems that the overhead is unnoticeable if disabled, very visible
> for lightweight functions and heavy callers. Almost unnoticeable for
> more compute intensive functions.
The very high system times seem odd. Maybe you have a machine with
slow gettimeofday()?
regards, tom lane
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