Re: explain analyze query execution time
От | Rudyar |
---|---|
Тема | Re: explain analyze query execution time |
Дата | |
Msg-id | 4ECBA671.2020909@gmail.com обсуждение исходный текст |
Ответ на | Re: explain analyze query execution time ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>) |
Список | pgsql-hackers |
On 22/11/11 10:26, Kevin Grittner wrote: > Rudyar wrote: > >> what tool you recommend for measure the query "real" query >> execution time? > > The -hackers list is for discussion to coordinate development of the > PostgreSQL database product. For user questions like this, please > pick a more appropriate list based on the descriptions here: > > http://www.postgresql.org/community/lists/ > > While any further follow-up should be on another list, I'll briefly > answer here. EXPLAIN ANALYZE is great for seeing how a query is > being executed, but for accurate timing of how long the query runs > without generating all that extra information, you can measure it on > the client side, or turn on logging of statements running long than > some particular time. In psql you can use "\timing on", in Java you > can run System.currentTimeInMillis() before and after running the > query, etc. > > -Kevin > > Thanks Kevin ;)
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