full-text performance question

2002-10-23 Thread Monte Ohrt
I have a table with a full-text index that spans four text columns. It seems that the more records a query matches, the longer it takes to execute. Is that normal? Examples: I have 15,376 records in this table: mysql select count(*) from NS_articles where

relevance ranking with IN BOOLEAN MODE

2002-10-23 Thread Monte Ohrt
Hi, How do I get a full-text relevance ranking when using IN BOOLEAN MODE? The manual shows how to get the relevance, but if I try to apply the same technique to a boolean search, I get a score of either 0 or 1 as the relevance. There are relevance parameters for boolean searches, so it must be

indexing column type SET

2002-10-09 Thread Monte Ohrt
Hi, I have a question about indexing a column of type SET. It seems that generally the index is not too useful, since it always requires some sort of expression to get what you want out of the set, and therefore the index won't be used. Example: create table FOO (BAR

safely load live db ?

2002-09-06 Thread Monte Ohrt
Hi, I have hundreds of mysql databases on a server, mostly filled with newspaper articles for web sites. For one particular database, I have about 10,000 archived articles I want to load in. I want to do this without affecting the performance of the live site (or any other sites using this

Re: safely load live db ?

2002-09-06 Thread Monte Ohrt
be a # of connections issue. And why is the entire server affected, not just that table? TIA Monte Gerald Clark wrote: You need to throttle back the inserts. You are doing 5-10 inserts per second, but that is fully loading the server. Do 1 or 2 inserts, and sleep a second. Monte Ohrt wrote

Re: safely load live db ?

2002-09-06 Thread Monte Ohrt
a chance to get in. Monte Ohrt wrote: Thanks for the quick reply Gerald. What specifically is being loaded? The system load certainly isn't the problem. Is it a buffer that fills, or a lock queue, or something else? Although the inserts are done in rapid succession, there is only one

FIND_IN_SET index problem

2002-07-25 Thread Monte Ohrt
Hi, I have a problem where the index for a SET column does not get used once I link in another table. The output to explain: mysql explain select count(*) from NS_articles where find_in_set('approved', artFlags) 0;

Possible bug with Solaris Intel?

2001-09-18 Thread Monte Ohrt
\ --with-mysqld-user=mysql\ --with-libwrap \ --enable-thread-safe-client \ --enable-large-files\ --with-berkely-db Monte -- Monte Ohrt [EMAIL PROTECTED