On Mon, 18 Jul 2011, David Brown wrote:
First, I'd like to say that I've done more testing, and found that even
after very prolonged, sustained heavy use, the (Intel 510) SSDs I
partitioned 50/50 with half left unused didn't show any degradation in
performance. That's after about a week of constant writing/erasing.
If your disks are reasonably full, then TRIM will not help much because the
garbage collection will be desperately trying to piece together small bits
into complete erase blocks, and your performance will drop through the floor.
However, it won't drop as low as it would without TRIM in the same
situation. But with a continuous heavy workload, even TRIM won't help, and
over-provisioning is the way to go.
Best,
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Tom De Mulder <tdm27@xxxxxxxxx> - Cambridge University Computing Service
+44 1223 3 31843 - New Museums Site, Pembroke Street, Cambridge CB2 3QH
-> 18/07/2011 : The Moon is Waning Gibbous (83% of Full)
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