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8 Commits

Author SHA1 Message Date
Alexander Weiss f8316948d1 Optimize FUSE - make command `restic mount` faster and consume less memory 
- Add Open() functionality to dir
- only access index for blobs when file is read
- Implement NodeOpener and put one-time file stuff there
- Add comment about locking as suggested by bazil.org/fuse

=> Thanks at Michael Eischer for suggesting the last two improvements
 2020-07-28 23:01:18 +02:00
greatroar 07da61baee Remove blob size cache from restic mount 2020-07-25 19:39:14 +02:00
Lars Lehtonen 9ac90cf5cd
internal/fuse: fix dropped test error 2020-07-12 21:42:31 -07:00
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
greatroar 1b502fa9ef Cache uid and gid for top directories in internal/fuse 2020-02-24 10:46:09 +01:00
Renamed from internal/fuse/file_test.go (Browse further)