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restic
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Alexander Neumann 731e81ef06 Re-use zlib writers to reduce memory usage 
benchcmp:

    benchmark                       old ns/op       new ns/op       delta
    BenchmarkArchiveDirectory-4     29624960475     29511001504     -0.38%
    BenchmarkSaveJSON-4             379833          225609          -40.60%

    benchmark                       old allocs     new allocs     delta
    BenchmarkArchiveDirectory-4     546736         540642         -1.11%
    BenchmarkSaveJSON-4             150            126            -16.00%

    benchmark                       old bytes      new bytes     delta
    BenchmarkArchiveDirectory-4     1372476952     438519336     -68.05%
    BenchmarkSaveJSON-4             1462773        9087          -99.38%
 		2015-02-16 22:35:26 +01:00
backend Remove Compress() and Uncompress() from backend 2015-02-16 00:30:51 +01:00
chunker Slightly improve performance for chunker 2015-02-13 20:03:40 +01:00
cmd wip 2015-02-15 15:17:24 +01:00
debug debug: do not seek after creating log file 2015-02-08 14:46:29 +01:00
doc Remove duplicate paragraphs 2015-02-02 08:41:53 +01:00
pipe wip 2015-02-15 15:17:24 +01:00
testsuite Refactor testsuite 2015-01-17 16:32:24 +01:00
LICENSE LICENSE: Add email address 2014-09-18 21:10:30 +02:00
Makefile Refactor testsuite 2015-01-17 16:32:24 +01:00
README.md Correct URL in README.md 2015-01-02 23:16:42 +01:00
archiver.go Remove Compress() and Uncompress() from backend 2015-02-16 00:30:51 +01:00
archiver_test.go wip 2015-02-15 15:17:24 +01:00
blob.go Implement streaming chunker using io.Reader 2015-02-09 00:28:54 +01:00
generic_test.go Rename khepri -> restic 2014-12-05 21:45:49 +01:00
key.go EncryptWriter: do not close underlying writer 2015-02-16 00:22:46 +01:00
key_int_test.go Refactor tests, integrate debug break points 2015-01-14 17:32:37 +01:00
key_test.go Remove EncryptFrom*() methods, add Tests for EncryptTo() 2015-02-15 23:38:45 +01:00
map.go Refactor debug into debug module 2015-01-17 16:32:13 +01:00
map_test.go Refactor repository structure 2015-01-14 16:34:30 +01:00
node.go wip 2015-02-15 15:17:24 +01:00
node_darwin.go Extend darwin support 2015-02-03 21:32:01 +01:00
node_linux.go Always cast link counter to uint64 2015-02-03 22:06:17 +01:00
node_windows.go Move platform specific code to different files 2015-02-03 21:18:19 +01:00
pools.go chunker: Add test, only pass hash.Hash to New() 2015-02-11 13:12:36 +01:00
progress.go Progress: Add convenience functions 2015-02-07 17:05:49 +01:00
restorer.go Make CreateAtNodeAt() independend from Tree 2015-02-03 21:04:51 +01:00
scanner.go Refactor repository structure 2015-01-14 16:34:30 +01:00
server.go Re-use zlib writers to reduce memory usage 2015-02-16 22:35:26 +01:00
server_test.go Re-use zlib writers to reduce memory usage 2015-02-16 22:35:26 +01:00
snapshot.go Introduce UserID, GroupID for snapshot 2015-02-03 22:04:09 +01:00
snapshot_darwin.go Introduce UserID, GroupID for snapshot 2015-02-03 22:04:09 +01:00
snapshot_linux.go Introduce UserID, GroupID for snapshot 2015-02-03 22:04:09 +01:00
snapshot_test.go Refactor repository structure 2015-01-14 16:34:30 +01:00
snapshot_windows.go Introduce UserID, GroupID for snapshot 2015-02-03 22:04:09 +01:00
testsuite.sh wip 2015-02-15 15:17:24 +01:00
tree.go wip 2015-02-15 15:17:24 +01:00
tree_test.go Refactor repository structure 2015-01-14 16:34:30 +01:00
wercker.yml Add gofmt test to wercker.yml 2015-02-15 15:07:43 +01:00
zerrors_linux.go Rename khepri -> restic 2014-12-05 21:45:49 +01:00

README.md

Stories in Ready wercker status sourcegraph status

WARNING

WARNING: At the moment, consider restic as alpha quality software, it is not yet finished. Do not use it for real data!

Restic

Restic is a program that does backups right. The design goals are:

  • Easy: Doing backups should be a frictionless process, otherwise you are tempted to skip it. Restic should be easy to configure and use, so that in the unlikely event of a data loss you can just restore it. Likewise, restoring data should not be complicated.

  • Fast: Backing up your data with restic should only be limited by your network or harddisk bandwidth so that you can backup your files every day. Nobody does backups if it takes too much time. Restoring backups should only transfer data that is needed for the files that are to be restored, so that this process is also fast.

  • Verifiable: Much more important than backup is restore, so restic enables you to easily verify that all data can be restored.

  • Secure: Restic uses cryptography to guarantee confidentiality and integrity of your data. The location the backup data is stored is assumed not to be a trusted environment (e.g. a shared space where others like system administrators are able to access your backups). Restic is built to secure your data against such attackers.

  • Efficient: With the growth of data, additional snapshots should only take the storage of the actual increment. Even more, duplicate data should be de-duplicated before it is actually written to the storage backend to save precious backup space.

Building

Install Go (at least 1.2), then run:

export GOPATH=~/src/go
go get github.com/restic/restic/cmd/restic
$GOPATH/bin/restic --help

Contribute

Contributions are welcome! Please make sure that all code submitted in pull-requests is properly formatted with gofmt. Installing the script fmt-check from https://github.com/edsrzf/gofmt-git-hook locally as a pre-commit hook checks formatting before commiting, just copy this script to .git/hooks/pre-commit.

If you are unsure what to do, please have a look at the github issues, especially those tagged minor complexity.

License

Restic is licensed under "BSD 2-Clause License". You can find the complete text in the file LICENSE.