Ah, forgot to mention that table is INNODB.
On Mon, Dec 30, 2013 at 1:59 PM, Cabbar Duzayak <cab...@gmail.com> wrote: > Hi, > > > We have a basic table, which is something like : > > > (id varchar50, productId varchar50, category varchar50) > > > In this table, ID is the primary key and we have a unique index on > (category, productId). And, there is a case where we want to do bulk > inserts (3000 inserts) using: > > > INSERT INTO (id, productId, category) VALUES (‘x1’, ‘y1’, ‘z1’), (‘x2’, > ‘y2’, ‘z3’) ….. ON DUPLICATE KEY productId = VALUES(productId), category = > VALUES(category) > > > So, when we try to insert 3000 rows using this syntax with a single > statement, it takes ~ 3 seconds to execute this on an empty table. > > > BTW, innodb_flush_log_at_trx_commit is set to 2 for us. > > > I don’t have something factual data here, but it feels that this is too > much just for 3000 rows. > > > Isn’t this just too slow? Are we doing something wrong here? Or, can you > advice as to which configuration parameters can we tweak here to make it > faster? > > > Thanks >
