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Merge pull request #604 from prometheus/beorn7/benchmark

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Add benchmark for loading chunks and chunk descs.
This commit is contained in:
Björn Rabenstein 2015-03-28 11:56:17 +01:00
parent 3f2686d0b3 fbc44d8f95
commit b841ae41cd
4 changed files with 71 additions and 0 deletions
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71
storage/local/persistence_test.go
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@ -884,3 +884,74 @@ func verifyIndexedState(i int, t *testing.T, b incrementalBatch, indexedFpsToMet
}
}
}
var fpStrings = []string{
"b004b821ca50ba26",
"b037c21e884e4fc5",
"b037de1e884e5469",
}
func BenchmarkLoadChunksSequentially(b *testing.B) {
p := persistence{
basePath: "fixtures",
}
sequentialIndexes := make([]int, 47)
for i := range sequentialIndexes {
sequentialIndexes[i] = i
}
var fp clientmodel.Fingerprint
for i := 0; i < b.N; i++ {
for _, s := range fpStrings {
fp.LoadFromString(s)
cds, err := p.loadChunks(fp, sequentialIndexes, 0)
if err != nil {
b.Error(err)
}
if len(cds) == 0 {
b.Error("could not read any chunks")
}
}
}
}
func BenchmarkLoadChunksRandomly(b *testing.B) {
p := persistence{
basePath: "fixtures",
}
randomIndexes := []int{1, 5, 6, 8, 11, 14, 18, 23, 29, 33, 42, 46}
var fp clientmodel.Fingerprint
for i := 0; i < b.N; i++ {
for _, s := range fpStrings {
fp.LoadFromString(s)
cds, err := p.loadChunks(fp, randomIndexes, 0)
if err != nil {
b.Error(err)
}
if len(cds) == 0 {
b.Error("could not read any chunks")
}
}
}
}
func BenchmarkLoadChunkDescs(b *testing.B) {
p := persistence{
basePath: "fixtures",
}
var fp clientmodel.Fingerprint
for i := 0; i < b.N; i++ {
for _, s := range fpStrings {
fp.LoadFromString(s)
cds, err := p.loadChunkDescs(fp, clientmodel.Latest)
if err != nil {
b.Error(err)
}
if len(cds) == 0 {
b.Error("could not read any chunk descs")
}
}
}
}