Re: loading data, creating indexes, clustering, vacuum...
| От | Angva |
|---|---|
| Тема | Re: loading data, creating indexes, clustering, vacuum... |
| Дата | |
| Msg-id | 1165589257.905970.272010@79g2000cws.googlegroups.com обсуждение исходный текст |
| Ответ на | loading data, creating indexes, clustering, vacuum... ("Angva" <angvaw@gmail.com>) |
| Список | pgsql-general |
Thank you very much, Alan and Martijn, for the advice! Mark Martijn van Oosterhout wrote: > On Thu, Dec 07, 2006 at 02:52:11PM -0800, Alan Hodgson wrote: > > On Thursday 07 December 2006 08:38, "Angva" <angvaw@gmail.com> wrote: > > > three commands. For instance I have a hunch that creating the indexes > > > first (as I do now) could slow down the clustering - perhaps the row > > > locations in the indexes all have to be updated as the cluster command > > > shifts their locations? And perhaps vacuuming should be done before > > > clustering so that dead tuples aren't "in the way"? > > > > clustering also removes the dead tuples. > > > > I would just: > > > > - create one index, the one to be clustered > > - cluster the table > > - create the remaining indexes > > And then run ANALYSE. No need to vacuum because the cluster did that > already. > > Have a nice day, > -- > Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/ > > From each according to his ability. To each according to his ability to litigate. > > --fXStkuK2IQBfcDe+ > Content-Type: application/pgp-signature > Content-Disposition: inline; > filename="signature.asc" > Content-Description: Digital signature > X-Google-AttachSize: 190
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