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restic
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23 Commits

Author SHA1 Message Date
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
George Armhold 1695c8ed55 use global context for check, debug, dump, find, forget, init, key, 
list, mount, tag, unlock commands

gh-1434
 2017-12-06 07:02:55 -05:00
Alexander Neumann beaf55f1fc dump: Allow absolute paths 2017-10-16 20:22:01 +02:00
Fabian Wickborn d1d9c3f9d7 Renamed cmd_catfile.go to cmd_dump.go 2017-10-14 13:55:21 +02:00
Alexander Neumann f2314b26ba Move 'dump' to 'debug dump' 2017-10-12 20:18:45 +02:00
Alexander Neumann 74dcf41f25 Disable 'dump' for non-debug builds 2017-10-12 20:14:48 +02:00
Felix Lee 555bd257bd dump command no longer has 'trees' option 2017-10-01 08:04:52 -07:00
Shayne Holmes 9eb39cef05 Capitalize short help commands 
Unify existing Cobra help command, and git-help's style.
 2017-09-11 09:32:44 -07:00
Alexander Neumann 6bc43a4198 manpage: Remove auto gen tag from man page 2017-08-06 21:31:01 +02:00
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
Alexander Neumann b63399d606 Move things around for gb 
This moves all restic source files to src/, and all vendored
dependencies to vendor/src.
 2016-02-20 17:31:20 +01:00
Alexander Neumann 650eab6a0e Fix typo in `dump` usage 2015-10-25 13:19:35 +01:00
Alexander Neumann 7ab9915859 Fix 'dump' command 2015-10-12 22:42:31 +02:00
Alexander Neumann 86fcd170f6 Add and use MasterIndex 2015-10-12 22:34:12 +02:00
Alexander Neumann de2c20be84 Dump individual indexes 2015-10-12 20:53:07 +02:00
Alexander Neumann 9753c37e31 Remove dead code 
This removes dead code (functions that aren't called) detected with
`deadcode`.
 2015-07-26 14:56:34 +02:00
Alexander Neumann 13e9a35f96 cmd/restic: Add lock handling, interrupt cleanup 2015-06-28 13:52:22 +02:00
Alexander Neumann 65a0def949 cmd/restic: Add locks to commands 2015-06-28 13:52:22 +02:00
Alexander Neumann d5020ac109 Fix debug functions 2015-06-24 20:00:01 +02:00
Alexander Neumann 4388474cdc Restructure `cmd/restic`, no functional changes 2015-06-21 17:40:22 +02:00
Alexander Neumann df1e3e03e9 Add 'dump' command 
'dump' writes internal data structes pretty-printed as JSON to stdout.
This was done to debug fsck error messages.

In contrast to the 'cat' command, this one prints the data structures as
there are interpreted by restic, not as they are stored in the
repository. This means that only the merged index from all the index
files is printed out.

This is meant for debugging only, it's compiled only when the "debug"
tag is active.
 2015-05-17 23:15:08 +02:00