May 22, 2012

Post: Innodb performance gotcha w Larger queries.

update performance for the application and I was replacing single value UPDATE with multiple value REPLACE (though I also saw the same problem with INSERT ON DUPLICATE KEY UPDATE… completed in 12 seconds for 1000 rows in a batch vs 40 seconds for single row statements. So with single statement…

Post: Quick comparison of MyISAM, Infobright, and MonetDB

… statements. I wanted to see how fast MyISAM vs. MonetDB would interpret really large INSERT statements, the kind produced by mysqldump. But…, although not recursive ones. (No, there is no REPLACE, and there is no INSERT/ON DUPLICATE KEY UPDATE.) I didn’t try the XQuery interface. Although…