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83 Commits

Author SHA1 Message Date
Michael Eischer
6f53ecc1ae adapt workers based on whether an operation is CPU or IO-bound 
Use runtime.GOMAXPROCS(0) as worker count for CPU-bound tasks,
repo.Connections() for IO-bound task and a combination if a task can be
both. Streaming packs is treated as IO-bound as adding more worker
cannot provide a speedup.

Typical IO-bound tasks are download / uploading / deleting files.
Decoding / Encoding / Verifying are usually CPU-bound. Several tasks are
a combination of both, e.g. for combined download and decode functions.
In the latter case add both limits together. As the backends have their
own concurrency limits restic still won't download more than
repo.Connections() files in parallel, but the additional workers can
decode already downloaded data in parallel.
 2022-07-03 12:19:26 +02:00
Michael Eischer
120ccc8754 repository: Rework blob saving to use an async pack uploader 
Previously, SaveAndEncrypt would assemble blobs into packs and either
return immediately if the pack is not yet full or upload the pack file
otherwise. The upload will block the current goroutine until it
finishes.

Now, the upload is done using separate goroutines. This requires changes
to the error handling. As uploads are no longer tied to a SaveAndEncrypt
call, failed uploads are signaled using an errgroup.

To count the uploaded amount of data, the pack header overhead is no
longer returned by `packer.Finalize` but rather by
`packer.HeaderOverhead`. This helper method is necessary to continue
returning the pack header overhead directly to the responsible call to
`repository.SaveBlob`. Without the method this would not be possible,
as packs are finalized asynchronously.
 2022-07-02 22:42:34 +02:00
Alexander Neumann
99634c0936 Return real size from SaveBlob 2022-07-02 18:55:12 +02:00
Michael Eischer
6fb408d90e repository: implement pack compression 2022-04-30 11:34:10 +02:00
Alexander Neumann
db8a958991
Merge pull request #3683 from MichaelEischer/fix-golangci-lint-warnings 
Fix golangci lint warnings
 2022-03-29 11:45:10 +02:00
Michael Eischer
c60540b196 add go:build headers everywhere 2022-03-28 22:23:47 +02:00
Michael Eischer
243698680a crypto: Use helpers for size calculations 2022-03-28 22:09:49 +02:00
Michael Eischer
27524979e8 restorer: Remove dead code 2022-02-13 11:43:09 +01:00
Michael Eischer
f40abd92fa restorer: convert to use StreamPack 2022-02-12 20:18:25 +01:00
Michael Eischer
921e328b56 restore: Fix linting error 2021-09-19 14:41:07 +02:00
Michael Eischer
2cdc0719af restorer: Sanitize verify errors 2021-09-19 14:01:26 +02:00
greatroar
bdcdfaf6b4 restore --verify: buffer reuse consistency and comment 2021-09-19 13:11:27 +02:00
greatroar
2b94742ca5 Replace no-op closures in restorer by nil check 2021-09-19 13:11:16 +02:00
greatroar
d357744104 Handle canceled context in restore --verify properly 2021-09-19 13:11:05 +02:00
greatroar
d4225ec803 Simplify buffer growing in Restorer.verifyFile 
Suggested-by: Igor Fedorenko <igor@ifedorenko.com>
 2021-09-19 13:10:55 +02:00
greatroar
de8521ae56 Report number of successes from Restorer.VerifyFiles 
Previously, the number of attempts was reported.
 2021-09-19 13:10:44 +02:00
greatroar
bb066cf7d3 Concurrent Restorer.VerifyFiles 
Time to verify a 2GB snapshot down from 9.726s to 4.645s (-52%).
 2021-09-19 13:10:41 +02:00
greatroar
556424d61b Reuse buffer in Restorer.VerifyFiles 
Time to verify a 2GB snapshot down from 11.568s to 9.726s (-16%).
 2021-09-19 12:55:31 +02:00
greatroar
973fa921cb Test and document Restorer.VerifyFiles 2021-09-19 12:52:11 +02:00
Alexander Weiss
81876d5c1b Simplify cache logic 2021-09-03 21:01:00 +02:00
Michael Eischer
bd316d3893 restore: Test partial pack downloads in filerestorer 2021-06-29 21:11:30 +02:00
Michael Eischer
e8bbb05328 restore: Correctly handle partial pack download errors 
Failed pack/blob downloads should be retried. For blobs that fail
decryption assume that the pack file is really damaged and try to
restore the remaining blobs.
 2021-06-29 20:54:16 +02:00
MichaelEischer
cc254dfefe
Merge pull request #3362 from greatroar/darwin-preallocate 
Use FcntlFstore to preallocate on Mac
 2021-04-10 22:47:56 +02:00
greatroar
23531be272 Use FcntlFstore to preallocate on Mac 2021-04-10 16:54:07 +02:00
Michael Eischer
f70aca6f6f restorer: Skip preallocate test if not supported by the filesystem 2021-03-04 20:33:46 +01:00
Michael Eischer
47faf69230 restorer: Check dropped error 2021-01-31 18:06:28 +01:00
Alexander Weiss
5e22ae10f1 Add error handling for fileRestorer 2021-01-31 14:22:57 +01:00
Alexander Weiss
573221aa40 Add failing test for fileRestorer 2021-01-31 13:40:42 +01:00
Alexander Neumann
04ca69cc78 Address issues reported by golint 2021-01-30 20:45:57 +01:00
Alexander Neumann
0858fbf6aa Add more error handling 2021-01-30 20:19:47 +01:00
Michael Eischer
69d5b4c36b restorer: lower-case variable name 2021-01-03 13:55:59 +01:00
Alexander Weiss
34a33565c8 Fix loadBlob in filerestorer 2021-01-01 08:06:04 +01:00
Alexander Weiss
7409225fa8 Add filerestorer test where only parts of pack are used 2021-01-01 07:24:46 +01:00
Alexander Weiss
07b3f65a6f filesrestorer: Re-use buffer 2021-01-01 07:24:46 +01:00
Alexander Weiss
3e0acf1395 restore: Don't save (part of) pack in memory 2021-01-01 07:24:46 +01:00
Alexander Neumann
36c5d39c2c Fix issues reported by semgrep 2020-12-11 09:41:59 +01:00
Alexander Weiss
aa7a5f19c2 Use BlobHandle in index methods 2020-11-22 20:41:12 +01:00
Alexander Weiss
92bd448691 Make BlobHandle substruct of Blob 2020-11-22 20:41:10 +01:00
Alexander Neumann
56883817d8
Merge pull request #2990 from MichaelEischer/fix-goreport-warnings 
Fix some goreport warnings
 2020-10-12 20:44:56 +02:00
Alexander Neumann
c193cea119 Pass Context to NewRestorer() 2020-10-10 15:24:26 +02:00
Alexander Neumann
f0d49ca600
Merge pull request #2933 from MichaelEischer/less-context-todo 
Replace most usages of context.TODO()
 2020-10-10 15:03:44 +02:00
kitone
6099f81692 Fix #1212 restore code produces inconsistent timestamps/permissions. 
Keep track of restored child status so parent and root directory not selected by filter will also restore metadata when traversing tree.
 2020-10-10 13:46:44 +02:00
kitone
9d7f616190 Improve restorer debug log information 2020-10-10 13:46:43 +02:00
kitone
295ddb9e57 Add test case for inconsistent timestamps and permissions restoration 
Reproduce from https://github.com/restic/restic/issues/1212
 2020-10-10 13:46:43 +02:00
Michael Eischer
645a6efaf2 restorer: remove redundant type specification 2020-10-09 22:37:56 +02:00
Michael Eischer
603bb0e309 restore: Use proper context while loading snapshot 2020-10-09 22:37:56 +02:00
Michael Eischer
eba5dd831f Fix typos reported by misspell 2020-10-06 14:55:13 +02:00
Michael Eischer
efbb850d92 Remove a few redundant type specifiers 
This is the result of running `gofmt -s -w **/*.go`
 2020-10-06 14:55:13 +02:00
greatroar
1e1a1f3078 Upgrade cespare/xxhash to 2.1.1 2020-10-05 17:25:39 +02:00
greatroar
9abef3bf1a Move internal/fs.TestChdir to internal/test.Chdir 2020-09-17 10:43:33 +02:00