Re:Running PostgreSQL on Compression-enabled ZFS
by cwsteinbach on Monday April 22, 2013 @05:27PM
(#5591866)
> as ZFS is likely caching the reads in the ARC
Each of the seven queries we used in our benchmark required a sequential scan of the 32GB dataset. It's unlikely that the ARC had any impact on the results since the EC2 instance had only 7GiB of memory.
Each of the seven queries we used in our benchmark required a sequential scan of the 32GB dataset. It's unlikely that the ARC had any impact on the results since the EC2 instance had only 7GiB of memory.