Following my previous benchmarks of SATA SSD cards I got Intel SSD 520 240GB into my hands. In this post I show … to understand it better. If you are interested more in SSD and MySQL questions – I will be giving a webinary “MySQL and SSD” on May-9. It will be the same as my…
Post: Testing Samsung SSD SATA 256GB 830 - not all SSD created equal
April 25, 2012 By 10 Comments
… for cheaper alternatives. SATA SSD is an options. There is many products based on MLC technology, and Intel 320 I would say… provides much better throughput than Intel 320 (some results for Intel 320). If you are interested more in SSD and MySQL questions – I will be giving a webinary “MySQL and SSD” on…
Post: Testing Fusion-io ioDrive
May 3, 2012 By 1 Comment
… series of posts on testing different SSD, in my last post I mentioned that SATA SSD performance is getting closer to PCIe… time, actually it does not seem much better than for Intel 520. For 8 threads it is 0.6 ms ( for… curios that I published results already for bunch of cards: Intel 520 STEC MACH16 Samsung 830 and each card shows individuals…
Comment: Testing Samsung SSD SATA 256GB 830 - not all SSD created equal
April 25, 2012 By 10 Comments
Samsung 830 SSD‘s GC differs from Intel 320 series AFAIK. Intel 320 does active GC while Samsung 830s do idle GC. Have you tested Samsung 830 SSD with over provisioning ? formated at 100GB,120GB, 200GB, and 240GB capacities ?
Comment: Testing Intel SSD 520
May 3, 2012 By 7 Comments
… case, that is really stupid step from Intel. On this page http://www.intel.com/content/www/us/en/solid-state-drives… I just figured that Intel 520 uses compression. http://www.intel.com/content/www/us/en/solid-state-drives/ssd-520-tech-brief…
Post: Testing Virident FlashMAX 1400
May 4, 2012 By 3 Comments
I still continue to run benchmarks of different SSD cards. This time I show numbers for Virident FlashMAX 1400. This is a MLC PCIe SSD device. There are couple notes on these results. First, this… far. For reference, other results in series: Fusion-io ioDrive Intel 520 STEC MACH16 Samsung 830 Follow @VadimTk !function(d,s…
Post: SSD, XFS, LVM, fsync, write cache, barrier and lost transactions
March 2, 2009 By 32 Comments
We finally managed to get Intel X25-E SSD drive into our lab. I attached it to our Dell … on SSD outperforms RAID 10, but recently I faced issue which can make previous results inconsistent. In short words using Intel SSD X25…-cache you may lose transactions. So in final conclusion: 1. Intel SSD X25E is NOT reliable in default mode 2. To have…
Post: Should I buy a Fast SSD or more memory?
April 8, 2010 By 10 Comments
… option. Tests run with: RAID10 with BBU over 8 disks Intel SSD X25-E 32GB FusionIO 320GB MLC For each test, run… improves performance by about five times (or 2x with an Intel SSD). To get the same improvement with memory, you would… There are already appliances on the market which use 8 Intel SSD devices). Is a 2x or 5x improvement enough? There…
Post: On Benchmarks on SSD
July 14, 2010 By 3 Comments
… state ( state C ). What happens there, as you may know, SSD has garbage collector activity, and the point B is time… during benchmark. However it makes task of running benchmark on SSD trickier. It is similar to benchmarks on database but up… devices support TRIM command, for example the first generation of Intel SSD cards did not support it, while G2 does. So why…
Post: Intel 320 SSD read performance
July 29, 2011 By 10 Comments
… significant and not acceptable for small companies and startups. Intel 320 SSD appears to be a popular drive with a quite acceptable… SAS 2.5 disks single Intel 320 SSD directly attached to a HighPoint RocketRAID 2300 two Intel 320 SSD in hardware RAID0 mode, attached…, ms (less is better) threads Intel 320 SSD Intel 320 SSD strip RAID ratio RAID/Intel 320 ratio RAID/Intel 320 strip 1 0.53 0…
