Many Percona employees will be at the 2010 MySQL conference. We’ll be giving a lot of informative technical talks on various topics. Here’s a list: Morgan Tocker, Baron Schwartz: Diagnosing and Fixing MySQL Performance Problems Peter Zaitsev: Scaling Applications with Caching, Sharding and Replication Baron Schwartz: EXPLAIN Demystified Vadim Tkachenko: An Overview of Flash Storage [...]
Percona-XtraDB version 9.1
Dear Community, We are announcing today the new version 9.1 of XtraDB storage engine. The name of binaries has changed to Percona-XtraDB. It is applicable to all packages including RPM, DEB and tar.gz packages. New features in version 9.1: MySQL 5.1.43 is taken as the basis packages name changed to Percona-XtraDB Enabled support of SSL [...]
How many fsync / sec FusionIO can handle
I recently was asked how many fsync / sec ( and therefore durable transactions / sec) we can get on FusionIO card. It should be easy to test, let’s take sysbench fileio benchmark and run, the next command should make it:
1 | ./sysbench --test=fileio --file-num=1 --file-total-size=50G --file-fsync-all=on --file-test-mode=seqrewr --max-time=100 --file-block-size=4096 --max-requests=0 run |
1 2 3 | Operations performed: 0 Read, 922938 Write, 922938 Other = 1845876 Total Read 0b Written 3.5207Gb Total transferred 3.5207Gb (36.052Mb/sec) 9229.35 Requests/sec executed |
So that’s 9229.35 req/sec, which is pretty impressive. For comparison the same [...]

