May 26, 2012

Comment: Testing Intel SSD 520

… this page http://www.intel.com/content/www/us/en/solid-state-drives/solid-state-drives-520-series.html I see “End-to-End Data Protection… I just figured that Intel 520 uses compression. http://www.intel.com/content/www/us/en/solid-state-drives/ssd-520-tech-brief.html…

Comment: FusionIO 320GB MLC benchmarks

Solid State drives may be more reliable in the short term but, from … for Micron (who supplies Intel), sold state has a tendency toward catastrophic failure. When solid state devices are created a certain amount of… accessed). Unfortunately when the extra memory is used and any other memory is lost the solid state drive completely fails. What I’m suggesting…

Post: Death match! EBS versus SSD price, performance, and QoS

… with physical hardware? Specifically, how does it compare to commodity solid-state drives? Let’s put them in the ring and let them…-class server. The disks are six OCZ-VERTEX2 200-GB drives in a RAID10 array, with an LSI MegaRAID controller with… performance this server is getting from its disks. I’m using the Aspersa diskstats tool to pull this data straight from…

Post: Heikki Tuuri answers to Innodb questions, Part II

… files to be able to use a lot of memory for write buffering efficiently. Q30: Question about using solid state disks for storing ib… Battery Backed Up cache and when sequentially written to the drives at the rate of 100MB/sec or more. This cache… Flash. SSD Drives would be big win for TableSpace files but these are much larger and so less used for the time…

Post: Write performance on Virident tachIOn card

… fully reflects our opinion. One of the biggest problems with solid state drives is that write performance may drop significantly with decreasing free… my experiment with FusionIO, which was stripped for performance. Also using my script, Virident made runs on tachIOn 200GB and 800GB…

Post: Is there benefit from having more memory ?

used fairy small dataset, so it caused more questions, like, should we have more then 128GB of memory? If we use fast solid state drive… 300GB (with O_DIRECT setting, so os cache is not used) This allows as to see effect of having more memory…

Post: SLC vs MLC

…cross posting from SSDPeformanceBlog.com ) All modern solid state drives use NAND memory based on SLC (single level cell) or MLC (…

Comment: Some little known facts about Innodb Insert Buffer

… databases use to work around poor random access IO patterns on winchester drives are going to end up being counterproductive once solid state becomes…