octoleo/restic
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Alexander Neumann 9c43688d1a crypto: Add buffer management to writer 
benchmarks:

    benchmark                         old ns/op     new ns/op     delta
    BenchmarkEncryptWriter            37032949      37754353      +1.95%
    BenchmarkEncrypt                  35989611      36344593      +0.99%
    BenchmarkDecryptReader            38274466      38282979      +0.02%
    BenchmarkEncryptDecryptReader     77506506      77088612      -0.54%
    BenchmarkDecrypt                  36219298      36128875      -0.25%

    benchmark                         old MB/s     new MB/s     speedup
    BenchmarkEncryptWriter            226.52       222.19       0.98x
    BenchmarkEncrypt                  233.08       230.81       0.99x
    BenchmarkDecryptReader            219.17       219.12       1.00x
    BenchmarkEncryptDecryptReader     108.23       108.82       1.01x
    BenchmarkDecrypt                  231.61       232.19       1.00x

    benchmark                         old allocs     new allocs     delta
    BenchmarkEncryptWriter            20             16             -20.00%
    BenchmarkEncrypt                  12             12             +0.00%
    BenchmarkDecryptReader            13             13             +0.00%
    BenchmarkEncryptDecryptReader     32             27             -15.62%
    BenchmarkDecrypt                  10             10             +0.00%

    benchmark                         old bytes     new bytes     delta
    BenchmarkEncryptWriter            1020064       170331        -83.30%
    BenchmarkEncrypt                  1600          1600          +0.00%
    BenchmarkDecryptReader            841070        842094        +0.12%
    BenchmarkEncryptDecryptReader     3027433       845129        -72.08%
    BenchmarkDecrypt                  1573          1573          +0.00%
2015-04-25 00:54:33 +02:00
backend Use package "restic/test" 2015-04-09 21:15:48 +02:00
chunker Use package "restic/test" 2015-04-09 21:15:48 +02:00
cmd Take last snapshot as parent by default and allow force re-reading 2015-04-07 22:03:50 +02:00
crypto crypto: Add buffer management to writer 2015-04-25 00:54:33 +02:00
debug debug: fix typos 2015-04-09 23:15:45 +02:00
doc Clarify terminology 2015-04-09 20:48:32 +02:00
pipe Use package "restic/test" 2015-04-09 21:15:48 +02:00
test Reorganize crypto code 2015-04-12 09:36:14 +02:00
testsuite Add test for backing up non-existing files 2015-03-28 16:16:19 +01:00
.travis.yml Run sftp integration test in a subshell 2015-03-28 15:53:33 +01:00
archiver_int_test.go Fix comparison for new files with '.' 2015-03-10 14:17:50 +01:00
archiver_test.go Fix test BenchmarkChunkEncrypt 2015-04-25 00:54:15 +02:00
archiver.go Seed chunker with random per-repository polynomial 2015-04-06 00:22:19 +02:00
blob.go Remove unused key offset from blob struct 2015-03-28 16:59:14 +01:00
cache_darwin.go Fix darwin support 2015-03-08 14:32:49 +01:00
cache_linux.go Add local cache 2015-03-02 10:04:01 +01:00
cache_test.go Use package "restic/test" 2015-04-09 21:15:48 +02:00
cache.go Add checks for Server.Load(), use Blob for load 2015-03-28 15:07:08 +01:00
key_test.go Reorganize crypto code 2015-04-12 09:36:14 +02:00
key.go crypto: Match signature of Encrypt() to Decrypt() 2015-04-12 20:58:41 +02:00
LICENSE LICENSE: Add email address 2014-09-18 21:10:30 +02:00
Makefile Refactor testsuite 2015-01-17 16:32:24 +01:00
map_test.go Use package "restic/test" 2015-04-09 21:15:48 +02:00
map.go Recreate blob cache if missing (closes #104) 2015-03-14 18:15:47 +01:00
node_darwin.go Fix darwin support 2015-03-08 14:32:49 +01:00
node_linux.go Bugfix: Backup changed data in incremental mode 2015-03-22 15:09:54 +01:00
node_windows.go Move platform specific code to different files 2015-02-03 21:18:19 +01:00
node.go Node: Also store ModeType bits in Mode 2015-04-07 21:57:26 +02:00
pools.go Rename crypto functions and constants 2015-04-12 09:41:47 +02:00
progress.go Progress: Add function that is called on Start() 2015-03-22 14:19:16 +01:00
README.md Add "Golang" keyword to README 2015-03-15 16:13:03 +01:00
restorer.go Add checks for Server.Load(), use Blob for load 2015-03-28 15:07:08 +01:00
server_test.go Use package "restic/test" 2015-04-09 21:15:48 +02:00
server.go crypto: Match signature of Encrypt() to Decrypt() 2015-04-12 20:58:41 +02:00
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 Use package "restic/test" 2015-04-09 21:15:48 +02:00
snapshot_windows.go Introduce UserID, GroupID for snapshot 2015-02-03 22:04:09 +01:00
snapshot.go Add checks for Server.Load(), use Blob for load 2015-03-28 15:07:08 +01:00
testsuite.sh wip 2015-02-15 15:17:24 +01:00
tree_test.go Use package "restic/test" 2015-04-09 21:15:48 +02:00
tree.go Add checks for Server.Load(), use Blob for load 2015-03-28 15:07:08 +01:00
walk_test.go Use package "restic/test" 2015-04-09 21:15:48 +02:00
walk.go Add checks for Server.Load(), use Blob for load 2015-03-28 15:07:08 +01:00
zerrors_linux.go Rename khepri -> restic 2014-12-05 21:45:49 +01:00

README.md

Stories in Ready Build 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/Golang (at least 1.3), 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.

Contact

If you discover a bug or find something surprising, please feel free to open a github issue. If you would like to chat about restic, there is also the IRC channel #restic on irc.freenode.net. Or just write me an email :)

License

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