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restic
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11 Commits

Author SHA1 Message Date
greatroar 58719e1f47 Replace mount's per-file cache by a global LRU cache 2020-07-12 18:27:16 +02:00
greatroar d42c169458 Fix quadratic file reading in restic mount 2020-07-12 18:27:16 +02:00
greatroar 649cbec6c5 Simplify build tags for restic mount 
This command can only be built on Darwin, FreeBSD and Linux
(and if we upgrade bazil.org/fuse, only FreeBSD and Linux:
https://github.com/bazil/fuse/issues/224).

Listing the few supported operating systems explicitly here makes
porting restic to new platforms easier.
 2020-05-12 11:30:41 +02:00
greatroar be5a0ff59f Centralize buffer allocation and size checking in Repository.LoadBlob 
Benchmark results for internal/repository:

name              old time/op    new time/op    delta
LoadTree-8           479µs ± 2%     478µs ± 1%   ~     (p=0.780 n=10+9)
LoadBlob-8          11.6ms ± 2%    11.6ms ± 1%   ~     (p=0.631 n=10+10)
LoadAndDecrypt-8    13.2ms ± 2%    13.3ms ± 3%   ~     (p=0.631 n=10+10)

name              old alloc/op   new alloc/op   delta
LoadTree-8          41.2kB ± 0%    41.2kB ± 0%   ~     (all equal)
LoadBlob-8          2.28kB ± 0%    2.28kB ± 0%   ~     (all equal)
LoadAndDecrypt-8    2.10MB ± 0%    2.10MB ± 0%   ~     (all equal)

name              old allocs/op  new allocs/op  delta
LoadTree-8             652 ± 0%       652 ± 0%   ~     (all equal)
LoadBlob-8            24.0 ± 0%      24.0 ± 0%   ~     (all equal)
LoadAndDecrypt-8      30.0 ± 0%      30.0 ± 0%   ~     (all equal)

name              old speed      new speed      delta
LoadBlob-8        86.2MB/s ± 2%  86.4MB/s ± 1%   ~     (p=0.594 n=10+10)
LoadAndDecrypt-8  75.7MB/s ± 2%  75.4MB/s ± 3%   ~     (p=0.617 n=10+10)
 2020-04-23 10:04:20 +02:00
Iku Iwasa f080142137 Support NetBSD without fuse 2018-06-16 15:55:04 +09:00
Jasper Lievisse Adriaanse 96311d1a2b Add support for illumos/Solaris 
This does come without xattr/fuse support at this point.

NB: not hooking up the integration tests as restic won't compile without
    cgo with Go < 1.10.
 2018-03-04 20:11:29 +00:00
Matthew Dawson df2c03a6a4
repository/master_index: Optimize Index.Lookup() 
When looking up a blob in the master index, with several
indexes present in the master index, a significant amount of time
is spent generating errors for each failed lookup.  However, these
errors are often used to check if a blob is present, but the contents
are not inspected making the overhead of the error not useful.

Instead, change Index.Lookup (and Index.LookupSize) to instead return
a boolean denoting if the blob was found instead of an error.  Also change
all the calls to these functions to handle the new function signature.

benchmark                                            old ns/op     new ns/op     delta
BenchmarkMasterIndexLookupSingleIndex-6              820           897           +9.39%
BenchmarkMasterIndexLookupMultipleIndex-6            12821         2001          -84.39%
BenchmarkMasterIndexLookupSingleIndexUnknown-6       5378          492           -90.85%
BenchmarkMasterIndexLookupMultipleIndexUnknown-6     17026         1649          -90.31%

benchmark                                            old allocs     new allocs     delta
BenchmarkMasterIndexLookupSingleIndex-6              9              9              +0.00%
BenchmarkMasterIndexLookupMultipleIndex-6            59             19             -67.80%
BenchmarkMasterIndexLookupSingleIndexUnknown-6       22             6              -72.73%
BenchmarkMasterIndexLookupMultipleIndexUnknown-6     72             16             -77.78%

benchmark                                            old bytes     new bytes     delta
BenchmarkMasterIndexLookupSingleIndex-6              160           160           +0.00%
BenchmarkMasterIndexLookupMultipleIndex-6            3200          240           -92.50%
BenchmarkMasterIndexLookupSingleIndexUnknown-6       1232          48            -96.10%
BenchmarkMasterIndexLookupMultipleIndexUnknown-6     4272          128           -97.00%
 2018-01-23 22:25:56 -05:00
Alexander Neumann f49f5c5903 fuse: Don't return an error for EOF 2018-01-13 10:14:10 +01:00
Alexander Neumann 23c903074c Move restic package to internal/restic 2017-07-24 17:43:32 +02:00
Alexander Neumann 6caeff2408 Run goimports 2017-07-23 14:21:03 +02:00
Alexander Neumann 83d1a46526 Moves files 2017-07-23 14:19:13 +02:00