iExplain the chunker a bit in the DESIGN document - dedup - deduplicating backup program Err bitreich.org 70 hgit clone git://bitreich.org/dedup/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/dedup/ URL:git://bitreich.org/dedup/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/dedup/ bitreich.org 70 1Log /scm/dedup/log.gph bitreich.org 70 1Files /scm/dedup/files.gph bitreich.org 70 1Refs /scm/dedup/refs.gph bitreich.org 70 1Tags /scm/dedup/tag bitreich.org 70 1README /scm/dedup/file/README.gph bitreich.org 70 1LICENSE /scm/dedup/file/LICENSE.gph bitreich.org 70 i--- Err bitreich.org 70 1commit 08600b08eec99d0c6fce2749ade192cadd4a0ba5 /scm/dedup/commit/08600b08eec99d0c6fce2749ade192cadd4a0ba5.gph bitreich.org 70 1parent af4f203b687f0d19bb16036c882fbf2dad994393 /scm/dedup/commit/af4f203b687f0d19bb16036c882fbf2dad994393.gph bitreich.org 70 hAuthor: sin URL:mailto:sin@2f30.org bitreich.org 70 iDate: Thu, 16 May 2019 16:43:35 +0300 Err bitreich.org 70 i Err bitreich.org 70 iExplain the chunker a bit in the DESIGN document Err bitreich.org 70 i Err bitreich.org 70 iDiffstat: Err bitreich.org 70 i M DESIGN | 10 +++++++++- Err bitreich.org 70 i Err bitreich.org 70 i1 file changed, 9 insertions(+), 1 deletion(-) Err bitreich.org 70 i--- Err bitreich.org 70 1diff --git a/DESIGN b/DESIGN /scm/dedup/file/DESIGN.gph bitreich.org 70 i@@ -51,4 +51,12 @@ block hashes of the data stored in the snapshot. Err bitreich.org 70 i The chunker interface Err bitreich.org 70 i --------------------- Err bitreich.org 70 i Err bitreich.org 70 i-TBD Err bitreich.org 70 i+The chunker issues variable length blocks. The minimum block size is Err bitreich.org 70 i+512KB, the maximum block size is 8MB and the average block size is Err bitreich.org 70 i+2MB. These configuration parameters can be modified by editing Err bitreich.org 70 i+config.h but it can be tricky to tune it properly. Err bitreich.org 70 i+ Err bitreich.org 70 i+The buzhash[0] rolling hash algorithm is used to fingerprint the input Err bitreich.org 70 i+stream. Err bitreich.org 70 i+ Err bitreich.org 70 i+[0] http://www.serve.net/buz/Notes.1st.year/HTML/C6/rand.012.html Err bitreich.org 70 .