[gamache]

SSDs are usually deployed in order to reduce (basically eliminate) random seek time, when compared to a platter hard drive. Ironically, this tends to make less of an impact in a column store, because a column store optimizes data arrangement on disk for reading large blocks of contiguous data, which platter drives are quite good at.

We tested SSD vs. HDD performance effects on our $COMMERCIAL_COLUMN_STORE here at work. SSDs were not worth the money.