Category Archives: SLC

MySQL 5.5.8 and Percona Server on Fast Flash card (Virident tachIOn)

Posted on December 21, 2010 by Vadim Tkachenko

Crossposted from MySQLPerformanceBlog. This is to follow up on my previous post and show the results for MySQL 5.5.8 and Percona Server on the fastest hardware I have in our lab: a Cisco UCS C250 server with 384GB of RAM, powered … Continue reading →

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Write performance on Virident tachIOn card

Posted on December 13, 2010 by Vadim Tkachenko

One of the biggest problems with solid state drives is that write performance may drop significantly with decreasing free space. I wrote about this before (http://www.ssdperformanceblog.com/2010/07/free-space-and-write-performance/), using a FusionIO 320GB Duo card as the example. In that case, when space … Continue reading →

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SLC and MLC

Posted on July 14, 2010 by Vadim Tkachenko

All modern solid state drives use NAND memory based on SLC (single level cell) or MLC (multi level cell) technologies. Not going into physical details – SLC basically stores 1 bit of information, while MLC can do more. Most popular … Continue reading →

Posted in MLC, SLC | 2 Comments