I Feel the Need for Speed: Linux File System Throughput Performance, Part 1
Sep 16, 2009, 20:04 (0 Talkback[s])
(Other stories by Jeffrey Layton)
"In two previous articles (here and here) we explored the
metadata performance of a number of Linux file systems using a
single micro-benchmark: fdtree.
"fdtree as a micro-benchmark is very attractive because it is a
simple bash script that uses recursion, forcing all cores to be
used (extremely important with modern processors). It tests the
ability of the file system to simply create directories and files
in a tree-structure. The file systems tested typically used their
default options (except for ext3 and ext4) so tuning the file
systems for this specific benchmark was not tested.
"This article shifts from looking at metadata performance to
examining data performance (sometimes referred to as throughput).
However, we'll start slow by first looking at one fairly common
micro-benchmark: IOzone. IOzone is a generally well-known and
useful benchmark used to test data throughput and features a number
of data access patterns and tuning options. The access patterns
follow a range of applications and can be very useful for finding
hotspots or bottlenecks even on deployed solutions."
- Metadata Performance Exploration Part 2: XFS, JFS, ReiserFS, ext2, and Reiser4(Sep 11, 2009)
- Metadata Performance of Four Linux File Systems(Sep 02, 2009)
- Linux Software RAID - A Belt and a Pair of Suspenders(Aug 20, 2009)
- Lies, Damn Lies and File Systems Benchmarks(Aug 12, 2009)
- Storage Pools and Snapshots with Logical Volume Management(Aug 08, 2009)
- #!*A5%amp;j9 - How to Encrypt Your File System(Jul 29, 2009)
- File System Evangelist and Thought Leader: An Interview with Valerie Aurora(Jul 15, 2009)