RE: [HACKERS] sort on huge table
| От | Ansley, Michael |
|---|---|
| Тема | RE: [HACKERS] sort on huge table |
| Дата | |
| Msg-id | 1BF7C7482189D211B03F00805F8527F748C20A@S-NATH-EXCH2 обсуждение исходный текст |
| Список | pgsql-hackers |
Still pretty good. That's five and a half thousand rows a second. >> -----Original Message----- >> From: Tatsuo Ishii [mailto:t-ishii@sra.co.jp] >> Sent: Thursday, November 04, 1999 11:10 AM >> To: Ansley, Michael >> Cc: 't-ishii@sra.co.jp'; Tom Lane; pgsql-hackers@postgreSQL.org >> Subject: Re: [HACKERS] sort on huge table >> >> >> >Now that's a close to linear as you are going to get. >> Pretty good I think: >> >a sort of one billion rows in half an hour. >> >> Oops! It's not one billion but 10 millions. Sorry. >> >> 1 million tuples 1:31 >> 2 4:24 >> 3 7:27 >> 4 11:11 <-- 970MB >> 5 14:01 <-- 1.1GB (segmented files) >> 6 18:31 >> 7 22:24 >> 8 24:36 >> 9 28:12 >> 10 32:14 >> -- >> Tatsuo Ishii >> >> ************ >>
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