Btrfs File-System Tuning On Linux 3.7
Written by Michael Larabel in Software on 19 October 2012. Page 6 of 6. 16 Comments

The best performance improvements out of tuning the Btrfs mount options came from using "nodatacow" and LZO compression. Using nodatacow is potentially unsafe since it's not doing copy-on-write for new data, so if something goes wrong you may only have a partial file to recover. With the LZO compression, the results are impressive while it can be regarded as a "safe" tunable and should work out fine for most any users with semi-recent hardware where the CPU wouldn't be taxed with the file-system compression/decompression work.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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