Initial F2FS File-System Results Are Impressive
Written by Michael Larabel in Linux Kernel on 21 October 2012 at 02:54 PM EDT. 1 Comment
Earlier this month Samsung introduced a new Linux file-system, F2FS, that was designed for mobile devices with flash memory. Initial testing of F2FS yields very positive results against EXT4 and NILFS2.

F2FS is the Flash-Friendly File-System and was designed around NAND flash memory storage characteristics and other future storage needs. F2FS is a log-structured file-system and exhibited much more hope than the previously-proposed LanyardFS.

While the ultimate future of Samsung's F2FS is unclear, initial testing by Sooman Jeong out of the ESOS Lab at Hanyang University show very positive results.

F2FS was tested from a desktop PC with an Intel Core i5 2500 CPU and then a Galaxy S3 running Android 4.0.4. F2FS beat EXT4 and NILFS2 in random and sequential buffered writes. F2FS also won with a write + fsync test. The mounting time was also measured. EXT4 was faster at mounting than F2FS, but the Samsung file-system did mount faster than NILFS2. In follow-up testing, F2FS also won with random reads.

These initial Linux F2FS file-system test results were shared on the kernel mailing list.
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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 10,000 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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