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Phoronix Test Suite

OpenBenchmarking.org

Btrfs LZO Compression Performance

Michael Larabel

Published on 18 March 2011
Written by Michael Larabel
Page 4 of 4 - 20 Comments

Using LZO/Zlib compression led to the performance being degraded when dealing with multi-threaded random writes of large files.

With the AIO-Stress we have a test where using compression leads to better performance, but where the LZO compression performance falls behind Zlib.

Overall, using transparent LZO compression with Btrfs is faster than Gzip for most scenarios, but there is also slightly higher CPU usage in using this algorithm (another article will look at the file-system CPU usage). Be forewarned, if enabling LZO compression, you may then run into problems if trying to mount the Btrfs file-system on a pre-2.6.38 kernel.

These test results are also available on OpenBenchmarking.org.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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