Re: Add min and max execute statement time in pg_stat_statement

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От Alvaro Herrera
Тема Re: Add min and max execute statement time in pg_stat_statement
Дата
Msg-id 20131024035216.GA6832@eldon.alvh.no-ip.org
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Ответ на Re: Add min and max execute statement time in pg_stat_statement  (Peter Geoghegan <pg@heroku.com>)
Ответы Re: Add min and max execute statement time in pg_stat_statement  (Peter Geoghegan <pg@heroku.com>)
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Peter Geoghegan escribió:

> I am interested in making it store richer statistics,
> provided we're very careful about the costs. Every time those counters
> are incremented, a spinlock is held.

Hmm, now if we had portable atomic addition, so that we could spare the
spinlock ...

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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