… single device, in comparison to RAID 10 on 8 disks) and FusionIO are impressive, it is worth to consider price/performance parameter. Here is my very rough calculation: For RAID 10 we use 8 73GB SAS 2… simple dividing TPM on price of IO system, we have RAID 10 – 4.8 TPM / $ SSD – 27 TPM / $ FusionIO – 3.6 TPM…
Comment: Disaster: LVM Performance in Snapshot Mode
February 6, 2009 By 55 Comments
… 1359 10’35” It shows LVM will add some overhead, but really can be neglected. Even RAID 5 has better performance compared to RAID 10… a painful comparison and testing, I finally chose RAID 5 + LVM for MySQL server. I chose RAID 5 instead of RAID 10 since I didn’t see much gain from RAID 10 in…
Post: MySQL performance on EC2/EBS versus RDS
August 4, 2011 By 10 Comments
… Amazon cloud. In general, MySQL performance overall on EC2 and EBS isn’t always great in comparison to what you can get… performance with the combination of stock MySQL 5.1, EC2, and a 10-volume EBS RAID. However, I was able to get better performance… and reduced mutex contention. The performance improvements I got with Percona Server were similar to the performance improvements I saw versus stock…
Comment: How many fsync / sec FusionIO can handle
March 4, 2010 By 13 Comments
… on the price comparison. For a 8 2.5″ Disk 533GB RAID-10 with BBC on a PERC-6 the price performance still beats…
Post: Looking on 5.4 - IO bound benchmarks
April 30, 2009 By 5 Comments
… (16 cores, 32GB of RAM, RAID 10 on 8 SAS 2.5″ 15K RPM disks). For comparison I took XtraDB-release5 and 5… you can find on Dimitri’s blog, one of Sun Performance Engineers. From our side we will look on recent improvements…
Post: Review of Virident FlashMAX MLC cards
November 10, 2011 By 14 Comments
…RAID. For Virident all 1400GB shows up as one single drive so no software RAID is necessary. To compare performances…tables sysbench implementation with 256 tables and 10,000,000 rows each. This is a… one to adequately fill both cards in comparison. Some hardware used in benchmarks include: Server:…
