Re: Multi-column GIN

Teodor Sigaev <[email protected]>
Newsgroups gmane.comp.db.postgresql.devel.patches,gmane.comp.db.postgresql.devel.general
Message-ID <[email protected]> 
 > What's the benefit of a multi-column GIN index over multiple
 > single-column GIN indexes?

Page 12 from presentation on PgCon 
(http://www.sigaev.ru/gin/fastinsert_and_multicolumn_GIN.pdf):

Multicolumn index vs.  2 single column indexes

Size:    539 Mb        538 Mb
Speed:   *1.885* ms    4.994 ms
Index:   ~340 s        ~200 s
Insert:  72 s/10000    66 s/10000



-- 
Teodor Sigaev                                   E-mail: [email protected]
                                                    WWW: http://www.sigaev.ru/

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