On Mon, Oct 20, 2014 at 3:47 PM, Howard Chu hyc@symas.com wrote:
ok... what's the number of writes being carried out in each transaction? the original scenario in which i saw the issue was when there was one (!!). the design at the time was not optimised for batches of reads followed by batches of writes.
This is 1 write per txn.
already? oh ok so that's hammering the machine rather a lot, then :)
ok let me do some exploring this end, see if i can come up with something that replicates the dreadful performance.
l.