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178 lines
6.5 KiB
Plaintext
178 lines
6.5 KiB
Plaintext
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* Obsolete *
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This file is now largely obsolete, considering
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it refers to Squashfs 2.1 (which was released in 2006)
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and older releases.
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GENERAL INFORMATION ON PERFORMANCE TESTS
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----------------------------------------
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The following performance tests were based on two file sets: the
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liveCD filesystem from the Ubuntu liveCD (Warty release), and the
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liveCD filesystem from the Damn Small Linux liveCD (release 0.8.4).
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The Ubuntu liveCD filesystem was used to test filesystem performance
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from CDROM and hard disk for Zisofs, Cloop, Squashfs 2.0 and Squashfs2.1.
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CRAMFS filesystem performance could not be tested for this filesystem
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bacause it exceeds the maximum supported size of CRAMFS. To test
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CRAMFS performance against Squashfs, the liveCD filesystem from
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Damn Small Linux was used.
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NOTE: the usual warnings apply to these results, they are provided for
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illustrative purposes only, and due to different hardware and/or file data, you
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may obtain different results. As such the results are provided "as is" without
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any warranty (either express or implied) and you assume all risks as to their
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quality and accuracy.
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1. Ubuntu liveCD performance tests
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ext3 uncompressed size 1.4 GB
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Zisofs compressed size 589.81 MB
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Cloop compressed size 471.89 MB
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Squashfs2.0 compressed size 448.58 MB
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Squashfs2.1 compressed size 448.58 MB
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1.1 Performance tests from CDROM
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1.1.1 Directory Lookup performance
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Time taken to perform "ls -lR --color=alawys | cat > /dev/null" on filesystem
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mounted from CDROM
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Zisofs 49.88 seconds (User 2.60 secs, Sys 11.19 secs)
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Cloop 20.80 seconds (User 2.71 secs, Sys 13.50 secs)
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Squashfs2.0 16.56 seconds (User 2.42 secs, Sys 10.37 secs)
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Squashfs2.1 10.14 seconds (User 2.48 secs, Sys 4.44 secs)
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1.1.2 Sequential I/O performance
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Time taken to perform "tar cf - | cat > /dev/null" on filesystem mounted
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from CDROM
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Zisofs 27 minutes 28.54 seconds (User 3.00 secs, Sys 1 min 4.80 secs)
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Cloop 5 minutes 55.72 seconds (User 2.90 secs, Sys 3 min 37.90 secs)
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Squashfs2.0 5 minutes 20.87 seconds (User 2.33 secs, Sys 56.98 secs)
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Squashfs2.1 5 minutes 15.46 seconds (user 2.28 secs, Sys 51.12 secs)
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1.1.3 Random I/O performance
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Random access pattern generated by "find /mnt -type f -printf "%s %p\n" | sort
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-g | awk '{ printf $2 }' > /tmp/sort
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Time taken to perform "cpio -o --quiet -H newc < /tmp/sort > /dev/null"
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on filesystem mounted from CDROM
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Zisofs 101 minutes 29.65 seconds (User 5.33 secs, Sys 1 min 17.20 secs)
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Cloop 35 minutes 27.51 seconds (user 5.93 secs, Sys 4 mins 30.23 secs)
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Squashfs2.0 21 minutes 53.05 seconds (user 5.71 secs, Sys 2 mins 36.59 secs)
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Squashfs2.1 21 minutes 46.99 seconds (User 5.80 secs, Sys 2 mins 31.88 secs)
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1.2 Performance tests from Hard disk
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1.2.1 Directory Lookup performance
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Time taken to perform "ls -lR --color=alawys | cat > /dev/null" on filesystem
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mounted from Hard disk
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Zisofs 17.29 seconds (User 2.62 secs, Sys 11.08 secs)
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Cloop 16.46 seconds (User 2.63 secs, Sys 13.41 secs)
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Squashfs2.0 13.75 seconds (User 2.44 secs, Sys 11.00 secs)
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Squashfs2.1 6.94 seconds (User 2.44 secs, Sys 4.48 secs)
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1.2.2 Sequential I/O performance
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Time taken to perform "tar cf - | cat > /dev/null" on filesystem mounted
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from Hard disk
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Zisofs 1 minute 21.47 seconds (User 2.73 secs, Sys 54.44 secs)
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Cloop 1 minute 34.06 seconds (user 2.85 secs, Sys 1 min 12.13 secs)
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Squashfs2.0 1 minute 21.22 seconds (User 2.42 secs, Sys 56.21 secs)
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Squashfs2.1 1 minute 15.46 seconds (User 2.36 secs, Sys 49.78 secs)
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1.2.3 Random I/O performance
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Random access pattern generated by "find /mnt -type f -printf "%s %p\n" | sort
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-g | awk '{ printf $2 }' > /tmp/sort
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Time taken to perform "cpio -o --quiet -H newc < /tmp/sort > /dev/null"
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on filesystem mounted from Hard disk
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Zisofs 11 minutes 13.64 seconds (User 5.08 secs, Sys 52.62 secs)
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Cloop 5 minutes 37.93 seconds (user 6 secs, Sys 2 mins 22.38 secs)
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Squashfs2.0 5 minutes 7.11 seconds (user 5.63 secs, Sys 2 mins 35.23 secs)
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Squashfs2.1 5 minutes 1.87 seconds (User 5.71 secs, Sys 2 mins 29.98 secs)
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2. Damn Small Linux liveCD performance tests
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ext3 uncompressed size 126 MB
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CRAMFS compressed size 52.19 MB
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Squashfs2.0 compressed size 46.52 MB
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Squashfs2.1 compressed size 46.52 MB
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2.1 Performance tests from CDROM
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2.1.1 Directory Lookup performance
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Time taken to perform "ls -lR --color=alawys | cat > /dev/null" on filesystem
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mounted from CDROM
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CRAMFS 10.85 seconds (User 0.39 secs, Sys 0.98 secs)
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Squashfs2.0 2.97 seconds (User 0.36 secs, Sys 2.15 secs)
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Squashfs2.1 2.43 seconds (User 0.40 secs, Sys 1.42 secs)
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2.1.2 Sequential I/O performance
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Time taken to perform "tar cf - | cat > /dev/null" on filesystem mounted
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from CDROM
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CRAMFS 55.38 seconds (User 0.34 secs, Sys 6.98 secs)
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Squashfs2.0 35.99 seconds (User 0.30 secs, Sys 6.35 secs)
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Squashfs2.1 33.83 seconds (User 0.26 secs, Sys 5.56 secs)
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2.1.3 Random I/O performance
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Random access pattern generated by "find /mnt -type f -printf "%s %p\n" | sort
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-g | awk '{ printf $2 }' > /tmp/sort
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Time taken to perform "cpio -o --quiet -H newc < /tmp/sort > /dev/null"
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on filesystem mounted from CDROM
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CRAMFS 3 minutes 1.68 seconds (User 0.54 secs, Sys 9.51 secs)
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Squashfs2.0 1 minute 39.45 seconds (User 0.57 secs, Sys 13.14 secs)
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Squashfs2.1 1 minute 38.41 seconds (User 0.58 secs, Sys 13.08 secs)
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2.2 Performance tests from Hard disk
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2.2.1 Directory Lookup performance
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Time taken to perform "ls -lR --color=alawys | cat > /dev/null" on filesystem
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mounted from Hard disk
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CRAMFS 1.77 seconds (User 0.53 secs, Sys 1.21 secs)
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Squashfs2.0 2.67 seconds (User 0.41 secs, Sys 2.25 secs)
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Squashfs2.1 1.87 seconds (User 0.41 secs, Sys 1.46 secs)
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2.2.2 Sequential I/O performance
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Time taken to perform "tar cf - | cat > /dev/null" on filesystem mounted
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from Hard disk
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CRAMFS 6.80 seconds (User 0.36 secs, Sys 6.02 secs)
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Squashfs2.0 7.23 seconds (User 0.29 secs, Sys 6.62 secs)
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Squashfs2.1 6.53 seconds (User 0.31 secs, Sys 5.82 secs)
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2.2.3 Random I/O performance
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Random access pattern generated by "find /mnt -type f -printf "%s %p\n" | sort
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-g | awk '{ printf $2 }' > /tmp/sort
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Time taken to perform "cpio -o --quiet -H newc < /tmp/sort > /dev/null"
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on filesystem mounted from Hard disk
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CRAMFS 28.55 seconds (User 0.49 secs, Sys 6.49 secs)
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Squashfs2.0 25.44 seconds (User 0.58 secs, Sys 13.17 secs)
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Squashfs2.1 24.72 seconds (User 0.56 secs, Sys 13.15 secs)
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