Justin Piszcz wrote:
I have found a 16MB stripe_cache_size results in optimal performance after testing many many values :)
We have discussed this before, my experience has been that after 8 x stripe size the performance gains hit diminishing returns, particularly for typical write instead of big aligned blocks, possibly with O_DIRECT. I would suggest that as a target even on a low memory machine.
Do your tests show similar? I was only able to test three and four drive setups using dedicated drives.
-- bill davidsen <davidsen@xxxxxxx> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - 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
