Re: [HACKERS] One problem with Postgres...\
От | Bruce Momjian |
---|---|
Тема | Re: [HACKERS] One problem with Postgres...\ |
Дата | |
Msg-id | 199805131548.LAA15858@candle.pha.pa.us обсуждение исходный текст |
Ответ на | One problem with Postgres... ("Mikhail Routchiev" <mikhail.routchiev@csfb.com>) |
Список | pgsql-hackers |
> > Hi, > > Is there any plan to deal with the problem of Postgres server going > through inefficiencies of the filesystem (because the separate tables are > placed into separate files)? > > If on Solaris, or Sun, there is a big enough table (say 300MB), it > takes 600MB of the disk space, and grows proportionally (2 times!). So we could > observe: 1) loss of disk space, and 2) loss of performance as well, because of > going through file system block search (for big files) may not be very > efficient, compare to Sybase&Co. (they use partitions, and deal with their own > 'file system'...) > > Well, one recommendation could be to go with the efficient > filesystem... But I believe it may not be appropriate for most of users. > > If anybody knows how to overcome this problem, please let me know. > We have discussed this, and it is not as big a win as you may think. An Informix guy feels this is true, so it is not an idle thought. -- Bruce Momjian | 830 Blythe Avenue maillist@candle.pha.pa.us | Drexel Hill, Pennsylvania 19026 + If your life is a hard drive, | (610) 353-9879(w) + Christ can be your backup. | (610) 853-3000(h)
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