Re: index files still growing
От | Bruce Momjian |
---|---|
Тема | Re: index files still growing |
Дата | |
Msg-id | 200110241759.f9OHx1M22484@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: index files still growing (Alvaro Herrera <alvherre@atentus.com>) |
Список | pgsql-general |
> > REINDEX is a marginally prettier answer; at least you don't have to > > remember the index parameters. Shrinking indexes on-the-fly is still > > on the TODO list. > > But at least in 7.1 REINDEX has to be run under stand-alone Postgres, or > so say the docs: > > REINDEX is used to recover corrupted system indexes. In order to run > REINDEX command, postmaster must be shut down and stand-alone Postgres > should be started instead with options -O and -P (an option to ignore > system indexes). > > Whereas the DROP INDEX/CREATE INDEX method works on-the-fly. You may end > up running a seqscan somewhere, but that's not so big a problem, IMHO. The single-user warning is only for system index reindexing. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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