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: ./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 Operations performed: 0 Read, [...]