Originally posted by jwilliams
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Linux 3.12 Kernel To Bring Faster File-Systems
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Seconded, please test spinning rust drives as well
Originally posted by dietrdan View PostMaybe I'm one of the few people still using HDDs, but I would like to see if there any gains for these "ancient" drives ?
Waiting for your next benchmark Michael
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Originally posted by chinoto View PostI've been wanting a benchmark on transparent compression, but I just realized that as awesome as it seems, I'm not getting much out of it. I only get 1.2 compressratio for a lz4 compressed ZFS volume containing 186GiB of games, the problem is that most files are pre-compressed. Another one of those "if you need it, you'll know it" features.
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Originally posted by Michael, from the articleWe'll continue exploring the Linux 3.12 kernel performance and trying out these file-system tests on traditional hard drives and other environments to see if these performance improvements persist.
Waiting for your next benchmark Michael
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Once again phoronix has made the mistake of running file system benchmarks (of which many just write unrealistic streams of zeros) on a Sandforce SSD with compression. I'm not sure what you are measuring when you do that, but it is not realistic performance. Unless you modify all of your benchmarks to use real data (instead of streams of zeros), you should never use a Sandforce SSD to run the storage benchmarks.
Also, as has been mentioned before, the first benchmark, the fio Intel IOMeter fileserver access pattern, really needs to be compared with a 4K-aligned version of the same test, since non-4K-aligned data is rare and not representative of most workloads. Just add "ba=4k" to the fio test script for that benchmark and run it again. You could always report both results, or you could just migrate to the ba=4k version, since that is probably the most representative.
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Compression comparison please.
I've been wanting a benchmark on transparent compression, but I just realized that as awesome as it seems, I'm not getting much out of it. I only get 1.2 compressratio for a lz4 compressed ZFS volume containing 186GiB of games, the problem is that most files are pre-compressed. Another one of those "if you need it, you'll know it" features.
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I loved if Phoronix put a evolution chart of the filesystem in all kernel 3.xx version.
tks
Joao
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Linux 3.12 Kernel To Bring Faster File-Systems
Phoronix: Linux 3.12 Kernel To Bring Faster File-Systems
With the Linux 3.12 kernel due for release in several weeks time but all major changes behind us now, here are some file-system tests from this forthcoming kernel update. Tested Linux file-systems for this Phoronix article include EXT4, Btrfs, XFS, and F2FS. From these results, there are multiple instances of these file-systems running measurably faster than Linux 3.11.
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