Difference between revisions of "Performance"
From OpenZFS on OS X
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Revision as of 09:53, 10 April 2014
Status
Currently OpenZFS on OSX is under heavy development, with priority being given to completion of features over performance.
Current Benchmarks
In order to establish a baseline of current performance of OpenZFS on OSX, measurements have been made using the iozone [1] benchmarking tool. The benchmark consists of running various ZFS implementations inside a VMware 6.0.2 VM on a 2011 iMac. Each VM is provisioned with 8GB of RAM, an OS boot drive, and a 5 GB second HDD containing a ZFS dataset. The HDDs are standard VMware .vmx files.
- zpool create -o ashift=12 -f tank <disk device name>
The benchmark consists of the following steps:
- Start the VM.
- Import the tank dataset
- mkdir /tank/tmp && cd /tank/tmp
- time iozone -a
- time iozone -a
- Terminate the VM and VMware before moving to the next ZFS implementation/OS combination.
The results are as follows: