Re: understanding postgres issues/bottlenecks

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david@xxxxxxx wrote:
On Sat, 10 Jan 2009, Luke Lonergan wrote:

The new MLC based SSDs have better wear leveling tech and don't suffer the pauses. Intel X25-M 80 and 160 GB SSDs are both pause-free. See Anandtech's test results for details.

they don't suffer the pauses, but they still don't have fantasic write speeds.

David Lang

Intel's SLC SSDs should also be good enough but they're smaller.


From what I can see, SLC SSDs are still quite superior for reliability and (write) performance. However they are too small and too expensive right now. Hopefully the various manufacturers are working on improving the size/price issue for SLC, as well as improving the performance/reliability area for the MLC products.

regards

Mark

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