Re: indexing words
От | Bruce Momjian |
---|---|
Тема | Re: indexing words |
Дата | |
Msg-id | 199803311528.KAA22505@candle.pha.pa.us обсуждение исходный текст |
Список | pgsql-hackers |
> > On Mon, 30 Mar 1998, Bruce Momjian wrote: > > > With the CLUSTER change, are things faster. Can you give me some times? > > Can you supply some source to put into contrib/? > > I did some timing after I clustered the data. However, I remember no > spectacular speedups. Maybe I remember wrong. I'll do the timings again > tonight and send them to you. I'd be happy to send sources to be put into > contrib, but I might need some help cleaning it up so ppl can actually > *use* it (an easy build, maybe some script to create the correct > tables/indices for a particular setup etc.) > > I also think it would be nice if there was a function that could be > called to build the index *after* the main table is populated. Might be > much faster for large tables (but then again, it might not be). > > Give me some time (end of the week?), I'm very busy with graduating right > now :) Great. Remember, we have an problem with the optimizer and referencing two tables by different names, so that may be part of the problem with performance. At this point, I would be interested in just hearing about single and two word search times. The CLUSTER really speeded up things here. -- 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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