SLOG Screenshots

I previously posted screenshots of the L2ARC: the ZFS second level cache which uses read optimized SSDs (“Readzillas”) to cache random read workloads. That’s the read side of the Hybrid Storage Pool. On the write side, the ZFS separate intent log (SLOG) can use write optimized SSDs (which we call “Logzillas”) to accelerate performance of [...]

Posted on June 26, 2009 at 8:00 am by Brendan Gregg · Permalink · 4 Comments
In: Fishworks · Tagged with: , , , ,


An exciting new ZFS feature has now become publicly known – the second level ARC, or L2ARC. I’ve been busy with its development for over a year, however this is my first chance to post about it. This post will show a quick example and answer some basic questions. Background in a nutshell The “ARC” [...]

Posted on July 22, 2008 at 9:48 pm by Brendan Gregg · Permalink · 27 Comments
In: Performance · Tagged with: , , , ,