Re: [HACKERS] What I'm working on
От | Bruce Momjian |
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Тема | Re: [HACKERS] What I'm working on |
Дата | |
Msg-id | 199808240313.XAA16492@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: [HACKERS] What I'm working on (The Hermit Hacker <scrappy@hub.org>) |
Ответы |
Re: [HACKERS] What I'm working on
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Список | pgsql-hackers |
> On Sun, 23 Aug 1998, Bruce Momjian wrote: > > > Yes, I guess you could have both. I just think the normal user is going > > to prefer the span stuff better, but you have a good point. If we had > > one, we could buy time getting the other. > > For whomever is implementing the row-span stuff, can something be > added that keeps track of number of rows that are spanned? ie. if most of > the rows are spanning the rows, then I would personally like to know that > so that I can look at dumping and reloading the data with a database set > to a higher blocksize... > > There *has* to be some overhead, performance wise, in the database > having to keep track of row-spanning, and being able to reduce that, IMHO, > is what I see being able to change the blocksize as doing... Makes sense, though vacuum would presumably make all the blocks contigious. -- 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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