Re: hash index improving v3
От
Jonah H. Harris
Тема
Re: hash index improving v3
Дата
Msg-id
36e682920809032110h41462f7ct6a0ac5716c5a9d64@mail.gmail.com
Ответ на
Re: hash index improving v3 (Simon Riggs)
Список
Дерево обсуждения
hash index improving v3 "Xiao Meng" <mx.cogito@gmail.com>
Re: hash index improving v3 Simon Riggs <simon@2ndQuadrant.com>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 "Jonah H. Harris" <jonah.harris@gmail.com>
Re: hash index improving v3 Zdenek Kotala <Zdenek.Kotala@Sun.COM>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 Zdenek Kotala <Zdenek.Kotala@Sun.COM>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 Kenneth Marshall <ktm@rice.edu>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 Kenneth Marshall <ktm@rice.edu>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 Kenneth Marshall <ktm@rice.edu>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 Kenneth Marshall <ktm@rice.edu>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 "Jonah H. Harris" <jonah.harris@gmail.com>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 Simon Riggs <simon@2ndQuadrant.com>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 Simon Riggs <simon@2ndQuadrant.com>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 Simon Riggs <simon@2ndQuadrant.com>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 Simon Riggs <simon@2ndQuadrant.com>
Re: hash index improving v3 Simon Riggs <simon@2ndQuadrant.com>
Re: hash index improving v3 Bruce Momjian <bruce@momjian.us>
Re: hash index improving v3 Simon Riggs <simon@2ndQuadrant.com>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 Zdenek Kotala <Zdenek.Kotala@Sun.COM>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 Zdenek Kotala <Zdenek.Kotala@Sun.COM>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 Zdenek Kotala <Zdenek.Kotala@Sun.COM>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 Zdenek Kotala <Zdenek.Kotala@Sun.COM>
Re: hash index improving v3 "Alex Hunsaker" <badalex@gmail.com>
Re: hash index improving v3 Tom Lane <tgl@sss.pgh.pa.us>
Re: hash index improving v3 "Xiao Meng" <mx.cogito@gmail.com>
On Wed, Sep 3, 2008 at 10:06 PM, Simon Riggs wrote: >> It seems hash index is a little better on index creation and >> selection. >> But maybe it's in the range of noise, I'm not sure. >> I'd like to try it with a bigger dataset (e.g. table with 10GB) but >> there is not enough space in my computer. >> Anyone interest can make a test on a bigger data set. I tried it earlier on a 500M row table and found a few bugs. In particular, it doesn't seem like recheck is happening and the performance/sizing is a bit *interesting*. I'll post stats tomorrow when I'm in the office. -- Jonah H. Harris, Senior DBA myYearbook.com
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