> On Thu, 2008-09-04 at 17:58 +0200, Cam Bazz wrote: > > anyone using ramdisks for storage? there is ramsam and there is also > fusion > > io. but they are kinda expensive. any other alternatives I wonder? > > We've done some comparisons of RAM (Lucene RAMDirectory) vs. Flash-SSD > vs. conventional harddrives. We've seen significant improvements for > Flash-SSDs over harddrives, but less for RAM over Flash-SSDs. > > For our setup (Linux, Flash-SSDs, 4 core Xeon, simple searches, 37GB > index, 10M documents, ~70 fields), the CPU seems to be the bottleneck. > Testing with a commodity Flash-SSD might be worth trying before going > all-out with the RAM-based systems. >
I have done similar test with ram vs. disk, and IO was the bottleneck. What flash ssd did you try with? Best.
