Bill Davidsen <davidsen <at> tmr.com> writes: > Actually playing with that now. I got an Intel SATA 40GB SSD, and I am > trying various combinations of things to put on it. One thing which I > hoped would benefit was to put a f/s journal on SSD and then use the > option to push all through the journal (data=journal) in hopes that it > would then free the RAM needed for cache and thus speed operation. > > Probably it is due to two things: 1) to see advantages you have to test in a server situation where a lot of thread are writing AND others are reading. So in this case writes to hard disk can be delayed a lot to give less latency to reads. 2) A lot of tuning is due to force linux to keep data on journal as long as it can. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html