ZFS benchmarks

Interesting comment to ZFS performance at ZFS and caching for performance:

Watching iostat again also showed that during the read tests, I was using far less of the SAN bandwidth. While performing “read” iozone tests on UFS, I was nearly maxing out the fabric bandwidth which could have lead to resource starvation issues, both for the host running the tests and for other hosts sharing the SAN. Using ZFS, the bandwidth dropped down to 50MB/s or so at peak, and much lower for the remainder of the tests - presumably due to the caching and prefetch behaviour of ZFS.


It can also give you a staggering performance advantage and conserve IO bandwidth, just so long as you're careful you don't get misled into believing that your storage is faster than it actually is and have enough memory to handle the caching!

(via: StorageMojo)