Badari Pulavarty <[EMAIL PROTECTED]> wrote: > > After KS & OLS discussions about memory pressure, I wanted to re-do > iSCSI testing with "dd"s to see if we are throttling writes. > > I created 50 10-GB ext3 filesystems on iSCSI luns. Test is simple > 50 dds (one per filesystem). System seems to throttle memory properly > and making progress. (Machine doesn't respond very well for anything > else, but my vmstat keeps running - 100% sys time).
It's important to monitor /proc/meminfo too - the amount of dirty/writeback pages, etc. btw, 100% system time is quite appalling. Are you sure vmstat is telling the truth? If so, where's it all being spent? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
