Moinak Ghosh
3db5188445
Support for deduplication using 2KB block size.
2013-08-19 13:38:52 +05:30
Moinak Ghosh
58f3113558
Avoid unnecessary re-hashing of 64-bit keys of the segment index.
2013-08-17 22:08:55 +05:30
Moinak Ghosh
2a218e9da5
Fix Dedupe Mode initialization.
2013-07-12 18:21:49 +05:30
Moinak Ghosh
c0dd0102a5
A few minor fixes.
2013-06-14 22:25:01 +05:30
Moinak Ghosh
0a1e3b39ef
Correspond segment size to chunk size for Segmented Dedupe for better accuracy.
2013-05-15 22:20:45 +05:30
Moinak Ghosh
c6da2325e3
Allow SKEIN to be used as a Global Dedupe chunk lookup hash.
2013-05-04 15:59:29 +05:30
Moinak Ghosh
79a6e7f770
Capability to output data to stdout when compressing.
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Always use segmented similarity bases dedupe when using -G option in pipe mode.
Standardize on average 8MB segment size for segmented dedupe.
Fix hashtable sizing.
Some miscellaneous cleanups.
Update README with details of new features.
2013-04-24 23:03:58 +05:30
Moinak Ghosh
5d6ffd969d
More tweaks to slightly improve segment dedupe efficiency.
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Use on average 8MB segments for all cases.
Some minor cleanps.
2013-04-24 19:13:07 +05:30
Moinak Ghosh
d29f125ca7
Clean up temp cache dir handling.
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Allow temp dir setting via specific env variable to point to fast devices like ramdisk,ssd.
2013-04-22 22:57:31 +05:30
Moinak Ghosh
c0b4aa0116
Many optimizations and changes to Segmented Global Dedupe.
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Use chunk hash based similarity matching rather than content based.
Use sorting to order hash buffer rather than min-heap for better accuracy.
Use fast CRC64 for similarity hash for speed and lower memory requirements.
2013-04-21 18:11:16 +05:30
Moinak Ghosh
8ae571124d
Complete implementation for Segmented Global Deduplication.
2013-04-18 21:26:24 +05:30
Moinak Ghosh
50251107de
Work in progress changes for Segmented Global Deduplication.
2013-04-09 22:23:51 +05:30
Moinak Ghosh
c357452079
Implement global dedupe in pipe mode.
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Update hash index calculations to use upto 75% memavail when file size is not known.
Use little-endian nonce format for Salsa20.
2013-03-29 15:18:25 +05:30
Moinak Ghosh
fbf4658635
Implement Global Deduplication.
2013-03-24 23:21:17 +05:30
Moinak Ghosh
876796be5c
Work in progress changes for global dedupe.
2013-03-21 22:00:38 +05:30
Moinak Ghosh
f2806d4ffa
Work in progress global dedupe changes.
2013-03-19 20:13:44 +05:30
Moinak Ghosh
f8f23e5200
Major License text cleanup.
2013-03-07 20:26:48 +05:30
Moinak Ghosh
6badbcaea7
Make global dedupe bits buildable and fix errors.
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Rename Adaptive compression type constants to avoid conflict with global constants.
2013-02-17 21:05:40 +05:30
