Tag - FusionIO

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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MySQL 5.5.4 in tpcc-like workload

MySQL-5.5.4 ® is the great release with performance improvements, let’s see how it performs in
tpcc-like workload.
The full details are on Wiki page
https://www.percona.com/docs/wiki/benchmark:mysql:554-tpcc:start

I took MySQL-5.5.4 with InnoDB-1.1, tpcc-mysql benchmark with 200W ( about 18GB worth of data),
InnoDB log files are 3.8GB size, and run with different buffer pools from 20GB to 6GB. The storage […]

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