Re: SSDs instead of SAS.

2012-01-09 Thread Paul Armstrong
At 2012-01-09T15:12-0800, Jeremiah Peschka wrote: >However, make sure you do the reading on the SSDs you're going to >purchase because not all SSDs are created equal. I had a client buy >some smaller OCZ-Vertex 3s recently which have a wear leveling issue >(the 120GB drives have few

Re: SSDs instead of SAS.

2012-01-09 Thread Jason J. W. Williams
> > However, make sure you do the reading on the SSDs you're going to purchase > because not all SSDs are created equal. I had a client buy some smaller > OCZ-Vertex 3s recently which have a wear leveling issue (the 120GB drives > have fewer chips than the 240GB drives) that causes performance to f

Re: SSDs instead of SAS.

2012-01-09 Thread Jeremiah Peschka
The archives are searchable through markmail.org If you are doing anything that will read from disk, SSDs will improve your performance. If you are doing any reads from disk that are non-sequential, SSDs will really increase your performance. However, make sure you do the reading on the SSDs you'

Re: SSDs instead of SAS.

2012-01-09 Thread Will Moss
I don't have any exact statistics, but I'm willing to personally guarantee you will not be disappointed. Both Riak back ends are essentially doing random IO, and in practice we've found our disks to be entirely bounded by seek time. Will On Mon, Jan 9, 2012 at 3:05 PM, David McNicholl wrote: >