Also, I have to ask the question: Why is it that Altavista can index terabytes overnight and return a fulltext boolean for the WHOLE WEB within a second, and Mysql takes so long?
On Friday 08 February 2002 11:50, Steve Rapaport wrote: > I second the question. It could also reduce the size of the > fulltext index and the time taken to update it. > > -steve > > > On Thursday 07 February 2002 20:53, Brian wrote: > > > Has anyone made a suggestion or thought about ways to distribute > > > databases which focus on fulltext indexes? > > > > > > fulltext indexes do a good job of indexing a moderate amount of data, > > > but when you get a lot of data to be indexed, the queries slow down > > > significantly. > > > > > > I have an example table, with about 90 million rows.. and has a > > > fulltext index on a varchar(100) field. A single-word query which would > > > return approx 300k results takes an average of 15 seconds. A query with > > > smaller results (~ 10k) can be as quick as 1 sec.. which I would > > > consider acceptable. > > > > > > Has any thought about splitting the data into distributed files or even > > > machines? ie: something as simple as 'words' starting with 'X' are > > > split into a-h, i-p, q-z... or something more advanced? (maybe mysqld > > > could automatically split results based on (#results per unique 'word' > > > / desired # of 'split files/machines') Would such a system give any > > > advantages to searching speed and concurrenct query scalability? I > > > haven't looked at the fulltext internals.. so I don't know if such > > > "query routing" could take place or not. > > > > > > If nothing else, does anyone else have experience with a table of this > > > size or even larger? What kind of tuning have you done? > > --------------------------------------------------------------------- > Before posting, please check: > http://www.mysql.com/manual.php (the manual) > http://lists.mysql.com/ (the list archive) > > To request this thread, e-mail <[EMAIL PROTECTED]> > To unsubscribe, e-mail > <[EMAIL PROTECTED]> Trouble > unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
