Re: Available parallelism in MySQL community edition 5.1.34?

2009-06-10 Thread Dan Nelson
each. Multiple queries on the same MyISAM table will queue up if there is a writer amongst them. If you are using a table engine that supports parallel access (innodb for example) then multiple queries can write to the same table without blocking readers. Also, note that MySQL doesn't do q

Re: Available parallelism in MySQL community edition 5.1.34?

2009-06-10 Thread Thomas A. McGonagle
Hi Mike, The way we do it is installing each mysql instance from a precompiled binary. So if you had an 8 core box, and you wanted to use each of the 8 cores, you could install a mysql binary installation and then make 7 copies of it. We use an internal naming convention like the followi

Available parallelism in MySQL community edition 5.1.34?

2009-06-10 Thread Mike Spreitzer
If I have a computer with many cores and multiple disks, disjoint filesystems on those disks, and enough I/O bandwidth in the machine to keep the disks busy, can MySQL keep those disks busy if I have it working on different databases at the same time? If so, can one MySQL server process do tha

Parallelism.

2001-02-08 Thread Justin Rowles
Rather a tall order (still reading docs, can't see anything about this), but can two MySQL instances on two servers be connected to the same disks? For failover purposes. Any pointers to documentation on the subject greatly appreciated. J. -- Justin Rowles Technical Consultant Sellers Informa