From 9f1f5b7b2321036d024fa06c70f9153774f818ee Mon Sep 17 00:00:00 2001 From: gilbertchen Date: Tue, 23 Feb 2016 14:27:51 -0500 Subject: [PATCH] Update README.md --- README.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index ceed71c..577430e 100644 --- a/README.md +++ b/README.md @@ -13,12 +13,14 @@ Duplicacy supports major cloud storage providers (Amazon S3, Googld Cloud Storag * Deletion: every backup can be deleted independently without affecting others * Concurrent access: multiple clients can back up to the same storage at the same time -The key idea behind Duplicacy is a concept called **Lock-Free Deduplication**. There are three elements of lock-free deduplication: +The key idea behind Duplicacy is a concept called **Lock-Free Deduplication**, which can be summaried as follows: * Use variable-size chunking algorithm to split files into chunks * Store each chunk in the storage using a file name derived from its hash, and rely on the file system API to manage chunks without using a centralized indexing database * Apply a *two-step fossil collection* algorithm to remove chunks that become unreferenced after a backup is deleted +The [design document](https://github.com/gilbertchen/duplicacy-beta/blob/master/DESIGN.md) explains lock-free duplication in detail. + ## Getting Started During beta testing only binaries are available. Please visit the [releases page](https://github.com/gilbertchen/duplicacy-beta/releases/latest) to download and run the executable for your platform. Installation is not needed.