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Web-Server, File-Server Patterns

The drives are tested under loads typical of servers. The names of the patterns are self-explanatory. The results are presented as performance ratings which are calculated as the average speed of the drive at every load. We’ve removed the Workstation load because PCMark has similar tests based on more modern applications.

This test can but rarely surprise us after what we see in the Database pattern. Here, the Kingston is expectedly last whereas the WD drives are inferior to the X-25V. The only unobvious thing is that the X-25V array is so much faster than the single SSDs from Intel.

The standings change somewhat when there are write requests to be performed. The X-25E is fast until long request queue depths where its graph swoops down (this is an interesting thing, perhaps indicative of the “fragmentation” of the SSD’s memory that occurs when the controller is constantly under load). The X25-V delivers stable performance and takes first place.

As for the slower products, the JM612 controller seems to find it hard to process write requests. It slows down after filling up its cache. This is the only explanation of its performance hit at long queue depths. The Kingston with the new Toshiba controller performs consistently and does not show such problems.

 
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