Nathan Burridge wrote:
Use a standard drive for swap and high change rate volumes.
So conventional wisdom says. Conventional wisdom is wrong on this. The entire point of using flash-based SSDs is performance, specifically fast random read performance. For performance, it is best to put your swap on SSD and use an eager swap policy. That way when physical memory is allocated it is "mirrored" to swap at allocation time. This minimizes writes to swap (flash writes are slow) while maximizing read performance from swap (flash reads are very fast). This is one of the best ways to use SSDs.
Flash-based media is consumable. It's a matter of how long it takes before it runs out of usable cells. Six months, a year, two years, maybe five for the enterprise-grade models. Buying into SSD means accepting the fact that you will replace it in the foreseeable future. Given that? Pushing a SSD as hard as possible is the best value for your money.
-- Rich P. _______________________________________________ Discuss mailing list Discuss@blu.org http://lists.blu.org/mailman/listinfo/discuss
