Tag - SSD

Write performance on Virident tachIOn card

This is crosspost from https://www.percona.com/blog/.
Disclaimer: The benchmarks were done as part of our consulting practice, but this post is totally independent and fully reflects our opinion.
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 (https://www.percona.com/blog/2010/07/17/ssd-free-space-and-write-performance/), using a
FusionIO 320GB […]

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SSD: Free space and write performance

( cross posting from SSD Performance Blog )
In previous post On Benchmarks on SSD, commenter touched another interesting point. Available free space affects write performance on SSD card significantly. The reason is still garbage collector, which operates more efficiently the more free space you have. Again, to read mode on garbage collector and write […]

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SLC vs MLC

(cross posting from SSDPeformanceBlog.com )
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 option for MLC is 2 bit, and there is movement into […]

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Virident tachIOn: New player on Flash PCI-E cards market

(Note: The review was done as part of our consulting practice, but is totally independent and fully reflects our opinion)
In my talk on MySQL Conference and Expo 2010 “An Overview of Flash Storage for Databases” I mentioned that most likely there are other players coming soon. I actually was not aware about any […]

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