Re: Will multiple MASTER threaded writes break replication?

2005-06-21 Thread Atle Veka
On Tue, 21 Jun 2005, Kevin Burton wrote: > >Out of curiosity, how many queries are we talking and what sort of > >complexity level? I've had replication setups do 600 (simple) updates/s > >and slaving was current most of the time and never more than 1 second > >behind. > > > > > Mostly INSERTS.. W

Re: Will multiple MASTER threaded writes break replication?

2005-06-21 Thread Kevin Burton
Atle Veka wrote: On Mon, 20 Jun 2005, Kevin Burton wrote: We're noticing a problem where if we were to write to the master with multiple threads that our slave DB will fall behind. Note that we're trying to perform as many inserts as humanly possible and the load on the master is 1.

Re: Will multiple MASTER threaded writes break replication?

2005-06-21 Thread Atle Veka
On Mon, 20 Jun 2005, Kevin Burton wrote: > We're noticing a problem where if we were to write to the master with > multiple threads that our slave DB will fall behind. > > Note that we're trying to perform as many inserts as humanly possible > and the load on the master is 1. Out of curiosity, ho

Re: Will multiple MASTER threaded writes break replication?

2005-06-20 Thread Ware Adams
On Jun 20, 2005, at 5:37 PM, Kevin Burton wrote: Kevin Burton wrote: We're noticing a problem where if we were to write to the master with multiple threads that our slave DB will fall behind. BTW.. I should clarify.. when I mean "break" I really meant to say that the slave replication w

Re: Will multiple MASTER threaded writes break replication?

2005-06-20 Thread Kevin Burton
Kevin Burton wrote: We're noticing a problem where if we were to write to the master with multiple threads that our slave DB will fall behind. BTW.. I should clarify.. when I mean "break" I really meant to say that the slave replication will fall WAY behind because it can't replay transactio

Re: Will multiple MASTER threaded writes break replication?

2005-06-20 Thread SGreen
Kevin Burton <[EMAIL PROTECTED]> wrote on 06/20/2005 01:35:38 PM: > We're noticing a problem where if we were to write to the master with > multiple threads that our slave DB will fall behind. > Note that we're trying to perform as many inserts as humanly possible > and the load on the master is

Will multiple MASTER threaded writes break replication?

2005-06-20 Thread Kevin Burton
We're noticing a problem where if we were to write to the master with multiple threads that our slave DB will fall behind. Note that we're trying to perform as many inserts as humanly possible and the load on the master is 1. My theory is that the master, since it can write to multiple tables