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| author | bescoto <bescoto@2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109> | 2005-08-18 04:12:54 +0000 |
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| committer | bescoto <bescoto@2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109> | 2005-08-18 04:12:54 +0000 |
| commit | 8d6d2f2f942222bc536743f9edc6e3e7198d593f (patch) | |
| tree | 42c49342413137df7f2a8a048d8da0cb5f37e9e8 | |
| parent | 1b992fb662acb7e68e9a25526c73178446b2d291 (diff) | |
| download | rdiff-backup-8d6d2f2f942222bc536743f9edc6e3e7198d593f.tar.gz | |
Updated signature blocksize to square root (I thought I did this already but apparently not)
git-svn-id: http://svn.savannah.nongnu.org/svn/rdiff-backup/trunk@621 2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109
| -rw-r--r-- | rdiff-backup/CHANGELOG | 2 | ||||
| -rw-r--r-- | rdiff-backup/rdiff_backup/Rdiff.py | 6 |
2 files changed, 5 insertions, 3 deletions
diff --git a/rdiff-backup/CHANGELOG b/rdiff-backup/CHANGELOG index 4684f54..ef47ca5 100644 --- a/rdiff-backup/CHANGELOG +++ b/rdiff-backup/CHANGELOG @@ -7,6 +7,8 @@ mirror_metadata file could become un-synced when a file is deleted when rdiff-backup is running and later the directory that file is in gets deleted.) +Librsync signature blocksize now based on square root of file length. + New in v1.0.0 (2005/08/14) -------------------------- diff --git a/rdiff-backup/rdiff_backup/Rdiff.py b/rdiff-backup/rdiff_backup/Rdiff.py index 9ad6afd..5428e19 100644 --- a/rdiff-backup/rdiff_backup/Rdiff.py +++ b/rdiff-backup/rdiff_backup/Rdiff.py @@ -38,9 +38,9 @@ def find_blocksize(file_len): patching can take a really long time. """ - if file_len < 1024000: return 512 # set minimum of 512 bytes - else: # Split file into about 2000 pieces, rounding to 512 - return long((file_len/(2000*512))*512) + if file_len < 4096: return 64 # set minimum of 64 bytes + else: # Use square root, rounding to nearest 16 + return long(pow(file_len, 0.5)/16)*16 def get_delta_sigfileobj(sig_fileobj, rp_new): """Like get_delta but signature is in a file object""" |