Re: Wich hardware suits best for large full-text indexed
От | Diogo Biazus |
---|---|
Тема | Re: Wich hardware suits best for large full-text indexed |
Дата | |
Msg-id | 406AF9F1.5080903@ikono.com.br обсуждение исходный текст |
Ответ на | Re: Wich hardware suits best for large full-text indexed (Teodor Sigaev <teodor@sigaev.ru>) |
Список | pgsql-general |
Teodor Sigaev wrote: > What is distribution of records by codgrupousuario field? There are lots of documents in common between diferent user groups (codgrupousuario = user group id), but each user groups can access a subset of documents based on the types of document and data sources (fontes) they are allowed to use. > You can use multi-column index (with contrib/btree_gist): > create index fti on qrydocumentos using gist (codgrupousuario, > conteudo_stem_ix); > or partial index > create index fti on qrydocumentos using gist (conteudo_stem_ix) where > codgrupousuario = 1; I´d rather not create partial index (I would have to create a trigger that creates an index each time a row is inserted on codgrupousuario). But I'll try it to see how it performs. The multi-column index seems a good idea. > One more. Let you use ispell dictionary ( I suppose, for Portuguese > language, > http://fmg-www.cs.ucla.edu/geoff/ispell-dictionaries.html#Portuguese-dicts > ) I'll make some tests with ispell, thanks for the advices. My Regards, -- Diogo Biazus diogo@ikono.com.br http://www.ikono.com.br
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