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repostiory/index: Remove logging from Lookup function. 

The logging in these functions double the time they take to execute.
However, it is only really useful on failures, which are better
reported by the calling functions.

benchmark                                            old ns/op     new ns/op     delta
BenchmarkMasterIndexLookupSingleIndex-6              897           395           -55.96%
BenchmarkMasterIndexLookupMultipleIndex-6            2001          1090          -45.53%
BenchmarkMasterIndexLookupSingleIndexUnknown-6       492           215           -56.30%
BenchmarkMasterIndexLookupMultipleIndexUnknown-6     1649          912           -44.69%

benchmark                                            old allocs     new allocs     delta
BenchmarkMasterIndexLookupSingleIndex-6              9              1              -88.89%
BenchmarkMasterIndexLookupMultipleIndex-6            19             1              -94.74%
BenchmarkMasterIndexLookupSingleIndexUnknown-6       6              0              -100.00%
BenchmarkMasterIndexLookupMultipleIndexUnknown-6     16             0              -100.00%

benchmark                                            old bytes     new bytes     delta
BenchmarkMasterIndexLookupSingleIndex-6              160           96            -40.00%
BenchmarkMasterIndexLookupMultipleIndex-6            240           96            -60.00%
BenchmarkMasterIndexLookupSingleIndexUnknown-6       48            0             -100.00%
BenchmarkMasterIndexLookupMultipleIndexUnknown-6     128           0             -100.00%
This commit is contained in:
Matthew Dawson 2018-01-21 23:26:24 -05:00
parent 4cec7e236a
commit 3789e55e20
No known key found for this signature in database
GPG Key ID: 404D7F645F682028
2 changed files with 0 additions and 8 deletions
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4
internal/repository/index.go
View File

@ -120,9 +120,6 @@ func (idx *Index) Lookup(id restic.ID, tpe restic.BlobType) (blobs []restic.Pack
blobs = make([]restic.PackedBlob, 0, len(packs))
for _, p := range packs {
debug.Log("id %v found in pack %v at %d, length %d",
id.Str(), p.packID.Str(), p.offset, p.length)
blob := restic.PackedBlob{
Blob: restic.Blob{
Type: tpe,
@ -139,7 +136,6 @@ func (idx *Index) Lookup(id restic.ID, tpe restic.BlobType) (blobs []restic.Pack
return blobs, true
}
debug.Log("id %v not found", id.Str())
return nil, false
}

4
internal/repository/master_index.go
View File

@ -25,17 +25,13 @@ func (mi *MasterIndex) Lookup(id restic.ID, tpe restic.BlobType) (blobs []restic
mi.idxMutex.RLock()
defer mi.idxMutex.RUnlock()
debug.Log("looking up id %v, tpe %v", id.Str(), tpe)
for _, idx := range mi.idx {
blobs, found = idx.Lookup(id, tpe)
if found {
debug.Log("found id %v: %v", id.Str(), blobs)
return
}
}
debug.Log("id %v not found in any index", id.Str())
return nil, false
}