mirror of https://github.com/prometheus/prometheus
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
772 lines
19 KiB
772 lines
19 KiB
// Copyright 2017 The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package tsdb
|
|
|
|
import (
|
|
"math/rand"
|
|
"testing"
|
|
|
|
"github.com/prometheus/tsdb/chunkenc"
|
|
"github.com/prometheus/tsdb/chunks"
|
|
"github.com/prometheus/tsdb/index"
|
|
"github.com/prometheus/tsdb/labels"
|
|
"github.com/prometheus/tsdb/testutil"
|
|
)
|
|
|
|
func BenchmarkCreateSeries(b *testing.B) {
|
|
lbls, err := labels.ReadLabels("testdata/all.series", b.N)
|
|
testutil.Ok(b, err)
|
|
|
|
h, err := NewHead(nil, nil, nil, 10000)
|
|
if err != nil {
|
|
testutil.Ok(b, err)
|
|
}
|
|
defer h.Close()
|
|
|
|
b.ReportAllocs()
|
|
b.ResetTimer()
|
|
|
|
for _, l := range lbls {
|
|
h.getOrCreate(l.Hash(), l)
|
|
}
|
|
}
|
|
|
|
type memoryWAL struct {
|
|
nopWAL
|
|
entries []interface{}
|
|
}
|
|
|
|
func (w *memoryWAL) Reader() WALReader {
|
|
return w
|
|
}
|
|
|
|
func (w *memoryWAL) Read(series func([]RefSeries), samples func([]RefSample), deletes func([]Stone)) error {
|
|
for _, e := range w.entries {
|
|
switch v := e.(type) {
|
|
case []RefSeries:
|
|
series(v)
|
|
case []RefSample:
|
|
samples(v)
|
|
case []Stone:
|
|
deletes(v)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func TestHead_ReadWAL(t *testing.T) {
|
|
entries := []interface{}{
|
|
[]RefSeries{
|
|
{Ref: 10, Labels: labels.FromStrings("a", "1")},
|
|
{Ref: 11, Labels: labels.FromStrings("a", "2")},
|
|
{Ref: 100, Labels: labels.FromStrings("a", "3")},
|
|
},
|
|
[]RefSample{
|
|
{Ref: 0, T: 99, V: 1},
|
|
{Ref: 10, T: 100, V: 2},
|
|
{Ref: 100, T: 100, V: 3},
|
|
},
|
|
[]RefSeries{
|
|
{Ref: 50, Labels: labels.FromStrings("a", "4")},
|
|
},
|
|
[]RefSample{
|
|
{Ref: 10, T: 101, V: 5},
|
|
{Ref: 50, T: 101, V: 6},
|
|
},
|
|
}
|
|
wal := &memoryWAL{entries: entries}
|
|
|
|
head, err := NewHead(nil, nil, wal, 1000)
|
|
testutil.Ok(t, err)
|
|
defer head.Close()
|
|
|
|
testutil.Ok(t, head.ReadWAL())
|
|
testutil.Equals(t, uint64(100), head.lastSeriesID)
|
|
|
|
s10 := head.series.getByID(10)
|
|
s11 := head.series.getByID(11)
|
|
s50 := head.series.getByID(50)
|
|
s100 := head.series.getByID(100)
|
|
|
|
testutil.Equals(t, labels.FromStrings("a", "1"), s10.lset)
|
|
testutil.Equals(t, labels.FromStrings("a", "2"), s11.lset)
|
|
testutil.Equals(t, labels.FromStrings("a", "4"), s50.lset)
|
|
testutil.Equals(t, labels.FromStrings("a", "3"), s100.lset)
|
|
|
|
expandChunk := func(c chunkenc.Iterator) (x []sample) {
|
|
for c.Next() {
|
|
t, v := c.At()
|
|
x = append(x, sample{t: t, v: v})
|
|
}
|
|
testutil.Ok(t, c.Err())
|
|
return x
|
|
}
|
|
|
|
testutil.Equals(t, []sample{{100, 2}, {101, 5}}, expandChunk(s10.iterator(0)))
|
|
testutil.Equals(t, 0, len(s11.chunks))
|
|
testutil.Equals(t, []sample{{101, 6}}, expandChunk(s50.iterator(0)))
|
|
testutil.Equals(t, []sample{{100, 3}}, expandChunk(s100.iterator(0)))
|
|
}
|
|
|
|
func TestHead_Truncate(t *testing.T) {
|
|
h, err := NewHead(nil, nil, nil, 1000)
|
|
testutil.Ok(t, err)
|
|
defer h.Close()
|
|
|
|
h.initTime(0)
|
|
|
|
s1, _ := h.getOrCreate(1, labels.FromStrings("a", "1", "b", "1"))
|
|
s2, _ := h.getOrCreate(2, labels.FromStrings("a", "2", "b", "1"))
|
|
s3, _ := h.getOrCreate(3, labels.FromStrings("a", "1", "b", "2"))
|
|
s4, _ := h.getOrCreate(4, labels.FromStrings("a", "2", "b", "2", "c", "1"))
|
|
|
|
s1.chunks = []*memChunk{
|
|
{minTime: 0, maxTime: 999},
|
|
{minTime: 1000, maxTime: 1999},
|
|
{minTime: 2000, maxTime: 2999},
|
|
}
|
|
s2.chunks = []*memChunk{
|
|
{minTime: 1000, maxTime: 1999},
|
|
{minTime: 2000, maxTime: 2999},
|
|
{minTime: 3000, maxTime: 3999},
|
|
}
|
|
s3.chunks = []*memChunk{
|
|
{minTime: 0, maxTime: 999},
|
|
{minTime: 1000, maxTime: 1999},
|
|
}
|
|
s4.chunks = []*memChunk{}
|
|
|
|
// Truncation need not be aligned.
|
|
testutil.Ok(t, h.Truncate(1))
|
|
|
|
testutil.Ok(t, h.Truncate(2000))
|
|
|
|
testutil.Equals(t, []*memChunk{
|
|
{minTime: 2000, maxTime: 2999},
|
|
}, h.series.getByID(s1.ref).chunks)
|
|
|
|
testutil.Equals(t, []*memChunk{
|
|
{minTime: 2000, maxTime: 2999},
|
|
{minTime: 3000, maxTime: 3999},
|
|
}, h.series.getByID(s2.ref).chunks)
|
|
|
|
testutil.Assert(t, h.series.getByID(s3.ref) == nil, "")
|
|
testutil.Assert(t, h.series.getByID(s4.ref) == nil, "")
|
|
|
|
postingsA1, _ := index.ExpandPostings(h.postings.Get("a", "1"))
|
|
postingsA2, _ := index.ExpandPostings(h.postings.Get("a", "2"))
|
|
postingsB1, _ := index.ExpandPostings(h.postings.Get("b", "1"))
|
|
postingsB2, _ := index.ExpandPostings(h.postings.Get("b", "2"))
|
|
postingsC1, _ := index.ExpandPostings(h.postings.Get("c", "1"))
|
|
postingsAll, _ := index.ExpandPostings(h.postings.Get("", ""))
|
|
|
|
testutil.Equals(t, []uint64{s1.ref}, postingsA1)
|
|
testutil.Equals(t, []uint64{s2.ref}, postingsA2)
|
|
testutil.Equals(t, []uint64{s1.ref, s2.ref}, postingsB1)
|
|
testutil.Equals(t, []uint64{s1.ref, s2.ref}, postingsAll)
|
|
testutil.Assert(t, postingsB2 == nil, "")
|
|
testutil.Assert(t, postingsC1 == nil, "")
|
|
|
|
testutil.Equals(t, map[string]struct{}{
|
|
"": {}, // from 'all' postings list
|
|
"a": {},
|
|
"b": {},
|
|
"1": {},
|
|
"2": {},
|
|
}, h.symbols)
|
|
|
|
testutil.Equals(t, map[string]stringset{
|
|
"a": {"1": struct{}{}, "2": struct{}{}},
|
|
"b": {"1": struct{}{}},
|
|
"": {"": struct{}{}},
|
|
}, h.values)
|
|
}
|
|
|
|
// Validate various behaviors brought on by firstChunkID accounting for
|
|
// garbage collected chunks.
|
|
func TestMemSeries_truncateChunks(t *testing.T) {
|
|
s := newMemSeries(labels.FromStrings("a", "b"), 1, 2000)
|
|
|
|
for i := 0; i < 4000; i += 5 {
|
|
ok, _ := s.append(int64(i), float64(i))
|
|
testutil.Assert(t, ok == true, "sample append failed")
|
|
}
|
|
|
|
// Check that truncate removes half of the chunks and afterwards
|
|
// that the ID of the last chunk still gives us the same chunk afterwards.
|
|
countBefore := len(s.chunks)
|
|
lastID := s.chunkID(countBefore - 1)
|
|
lastChunk := s.chunk(lastID)
|
|
|
|
testutil.Assert(t, s.chunk(0) != nil, "")
|
|
testutil.Assert(t, lastChunk != nil, "")
|
|
|
|
s.truncateChunksBefore(2000)
|
|
|
|
testutil.Equals(t, int64(2000), s.chunks[0].minTime)
|
|
testutil.Assert(t, s.chunk(0) == nil, "first chunks not gone")
|
|
testutil.Equals(t, countBefore/2, len(s.chunks))
|
|
testutil.Equals(t, lastChunk, s.chunk(lastID))
|
|
|
|
// Validate that the series' sample buffer is applied correctly to the last chunk
|
|
// after truncation.
|
|
it1 := s.iterator(s.chunkID(len(s.chunks) - 1))
|
|
_, ok := it1.(*memSafeIterator)
|
|
testutil.Assert(t, ok == true, "")
|
|
|
|
it2 := s.iterator(s.chunkID(len(s.chunks) - 2))
|
|
_, ok = it2.(*memSafeIterator)
|
|
testutil.Assert(t, ok == false, "non-last chunk incorrectly wrapped with sample buffer")
|
|
}
|
|
|
|
func TestHeadDeleteSeriesWithoutSamples(t *testing.T) {
|
|
entries := []interface{}{
|
|
[]RefSeries{
|
|
{Ref: 10, Labels: labels.FromStrings("a", "1")},
|
|
},
|
|
[]RefSample{},
|
|
[]RefSeries{
|
|
{Ref: 50, Labels: labels.FromStrings("a", "2")},
|
|
},
|
|
[]RefSample{
|
|
{Ref: 50, T: 80, V: 1},
|
|
{Ref: 50, T: 90, V: 1},
|
|
},
|
|
}
|
|
wal := &memoryWAL{entries: entries}
|
|
|
|
head, err := NewHead(nil, nil, wal, 1000)
|
|
testutil.Ok(t, err)
|
|
defer head.Close()
|
|
|
|
testutil.Ok(t, head.ReadWAL())
|
|
|
|
testutil.Ok(t, head.Delete(0, 100, labels.NewEqualMatcher("a", "1")))
|
|
}
|
|
|
|
func TestHeadDeleteSimple(t *testing.T) {
|
|
numSamples := int64(10)
|
|
|
|
head, err := NewHead(nil, nil, nil, 1000)
|
|
testutil.Ok(t, err)
|
|
defer head.Close()
|
|
|
|
app := head.Appender()
|
|
|
|
smpls := make([]float64, numSamples)
|
|
for i := int64(0); i < numSamples; i++ {
|
|
smpls[i] = rand.Float64()
|
|
app.Add(labels.Labels{{"a", "b"}}, i, smpls[i])
|
|
}
|
|
|
|
testutil.Ok(t, app.Commit())
|
|
cases := []struct {
|
|
intervals Intervals
|
|
remaint []int64
|
|
}{
|
|
{
|
|
intervals: Intervals{{0, 3}},
|
|
remaint: []int64{4, 5, 6, 7, 8, 9},
|
|
},
|
|
{
|
|
intervals: Intervals{{1, 3}},
|
|
remaint: []int64{0, 4, 5, 6, 7, 8, 9},
|
|
},
|
|
{
|
|
intervals: Intervals{{1, 3}, {4, 7}},
|
|
remaint: []int64{0, 8, 9},
|
|
},
|
|
{
|
|
intervals: Intervals{{1, 3}, {4, 700}},
|
|
remaint: []int64{0},
|
|
},
|
|
{
|
|
intervals: Intervals{{0, 9}},
|
|
remaint: []int64{},
|
|
},
|
|
}
|
|
|
|
Outer:
|
|
for _, c := range cases {
|
|
// Reset the tombstones.
|
|
head.tombstones = memTombstones{}
|
|
|
|
// Delete the ranges.
|
|
for _, r := range c.intervals {
|
|
testutil.Ok(t, head.Delete(r.Mint, r.Maxt, labels.NewEqualMatcher("a", "b")))
|
|
}
|
|
|
|
// Compare the result.
|
|
q, err := NewBlockQuerier(head, head.MinTime(), head.MaxTime())
|
|
testutil.Ok(t, err)
|
|
res, err := q.Select(labels.NewEqualMatcher("a", "b"))
|
|
testutil.Ok(t, err)
|
|
|
|
expSamples := make([]sample, 0, len(c.remaint))
|
|
for _, ts := range c.remaint {
|
|
expSamples = append(expSamples, sample{ts, smpls[ts]})
|
|
}
|
|
|
|
expss := newListSeriesSet([]Series{
|
|
newSeries(map[string]string{"a": "b"}, expSamples),
|
|
})
|
|
|
|
if len(expSamples) == 0 {
|
|
testutil.Assert(t, res.Next() == false, "")
|
|
continue
|
|
}
|
|
|
|
for {
|
|
eok, rok := expss.Next(), res.Next()
|
|
testutil.Equals(t, eok, rok)
|
|
|
|
if !eok {
|
|
continue Outer
|
|
}
|
|
sexp := expss.At()
|
|
sres := res.At()
|
|
|
|
testutil.Equals(t, sexp.Labels(), sres.Labels())
|
|
|
|
smplExp, errExp := expandSeriesIterator(sexp.Iterator())
|
|
smplRes, errRes := expandSeriesIterator(sres.Iterator())
|
|
|
|
testutil.Equals(t, errExp, errRes)
|
|
testutil.Equals(t, smplExp, smplRes)
|
|
}
|
|
}
|
|
}
|
|
|
|
// func TestDeleteUntilCurMax(t *testing.T) {
|
|
// numSamples := int64(10)
|
|
|
|
// dir, _ := ioutil.TempDir("", "test")
|
|
// defer os.RemoveAll(dir)
|
|
|
|
// hb := createTestHead(t, dir, 0, 2*numSamples)
|
|
// app := hb.Appender()
|
|
|
|
// smpls := make([]float64, numSamples)
|
|
// for i := int64(0); i < numSamples; i++ {
|
|
// smpls[i] = rand.Float64()
|
|
// app.Add(labels.Labels{{"a", "b"}}, i, smpls[i])
|
|
// }
|
|
|
|
// testutil.Ok(t, app.Commit())
|
|
// testutil.Ok(t, hb.Delete(0, 10000, labels.NewEqualMatcher("a", "b")))
|
|
// app = hb.Appender()
|
|
// _, err := app.Add(labels.Labels{{"a", "b"}}, 11, 1)
|
|
// testutil.Ok(t, err)
|
|
// testutil.Ok(t, app.Commit())
|
|
|
|
// q := hb.Querier(0, 100000)
|
|
// res := q.Select(labels.NewEqualMatcher("a", "b"))
|
|
|
|
// require.True(t, res.Next())
|
|
// exps := res.At()
|
|
// it := exps.Iterator()
|
|
// ressmpls, err := expandSeriesIterator(it)
|
|
// testutil.Ok(t, err)
|
|
// testutil.Equals(t, []sample{{11, 1}}, ressmpls)
|
|
// }
|
|
|
|
// func TestDelete_e2e(t *testing.T) {
|
|
// numDatapoints := 1000
|
|
// numRanges := 1000
|
|
// timeInterval := int64(2)
|
|
// maxTime := int64(2 * 1000)
|
|
// minTime := int64(200)
|
|
// // Create 8 series with 1000 data-points of different ranges, delete and run queries.
|
|
// lbls := [][]labels.Label{
|
|
// {
|
|
// {"a", "b"},
|
|
// {"instance", "localhost:9090"},
|
|
// {"job", "prometheus"},
|
|
// },
|
|
// {
|
|
// {"a", "b"},
|
|
// {"instance", "127.0.0.1:9090"},
|
|
// {"job", "prometheus"},
|
|
// },
|
|
// {
|
|
// {"a", "b"},
|
|
// {"instance", "127.0.0.1:9090"},
|
|
// {"job", "prom-k8s"},
|
|
// },
|
|
// {
|
|
// {"a", "b"},
|
|
// {"instance", "localhost:9090"},
|
|
// {"job", "prom-k8s"},
|
|
// },
|
|
// {
|
|
// {"a", "c"},
|
|
// {"instance", "localhost:9090"},
|
|
// {"job", "prometheus"},
|
|
// },
|
|
// {
|
|
// {"a", "c"},
|
|
// {"instance", "127.0.0.1:9090"},
|
|
// {"job", "prometheus"},
|
|
// },
|
|
// {
|
|
// {"a", "c"},
|
|
// {"instance", "127.0.0.1:9090"},
|
|
// {"job", "prom-k8s"},
|
|
// },
|
|
// {
|
|
// {"a", "c"},
|
|
// {"instance", "localhost:9090"},
|
|
// {"job", "prom-k8s"},
|
|
// },
|
|
// }
|
|
|
|
// seriesMap := map[string][]sample{}
|
|
// for _, l := range lbls {
|
|
// seriesMap[labels.New(l...).String()] = []sample{}
|
|
// }
|
|
|
|
// dir, _ := ioutil.TempDir("", "test")
|
|
// defer os.RemoveAll(dir)
|
|
|
|
// hb := createTestHead(t, dir, minTime, maxTime)
|
|
// app := hb.Appender()
|
|
|
|
// for _, l := range lbls {
|
|
// ls := labels.New(l...)
|
|
// series := []sample{}
|
|
|
|
// ts := rand.Int63n(300)
|
|
// for i := 0; i < numDatapoints; i++ {
|
|
// v := rand.Float64()
|
|
// if ts >= minTime && ts <= maxTime {
|
|
// series = append(series, sample{ts, v})
|
|
// }
|
|
|
|
// _, err := app.Add(ls, ts, v)
|
|
// if ts >= minTime && ts <= maxTime {
|
|
// testutil.Ok(t, err)
|
|
// } else {
|
|
// testutil.EqualsError(t, err, ErrOutOfBounds.Error())
|
|
// }
|
|
|
|
// ts += rand.Int63n(timeInterval) + 1
|
|
// }
|
|
|
|
// seriesMap[labels.New(l...).String()] = series
|
|
// }
|
|
|
|
// testutil.Ok(t, app.Commit())
|
|
|
|
// // Delete a time-range from each-selector.
|
|
// dels := []struct {
|
|
// ms []labels.Matcher
|
|
// drange Intervals
|
|
// }{
|
|
// {
|
|
// ms: []labels.Matcher{labels.NewEqualMatcher("a", "b")},
|
|
// drange: Intervals{{300, 500}, {600, 670}},
|
|
// },
|
|
// {
|
|
// ms: []labels.Matcher{
|
|
// labels.NewEqualMatcher("a", "b"),
|
|
// labels.NewEqualMatcher("job", "prom-k8s"),
|
|
// },
|
|
// drange: Intervals{{300, 500}, {100, 670}},
|
|
// },
|
|
// {
|
|
// ms: []labels.Matcher{
|
|
// labels.NewEqualMatcher("a", "c"),
|
|
// labels.NewEqualMatcher("instance", "localhost:9090"),
|
|
// labels.NewEqualMatcher("job", "prometheus"),
|
|
// },
|
|
// drange: Intervals{{300, 400}, {100, 6700}},
|
|
// },
|
|
// // TODO: Add Regexp Matchers.
|
|
// }
|
|
|
|
// for _, del := range dels {
|
|
// // Reset the deletes everytime.
|
|
// writeTombstoneFile(hb.dir, newEmptyTombstoneReader())
|
|
// hb.tombstones = newEmptyTombstoneReader()
|
|
|
|
// for _, r := range del.drange {
|
|
// testutil.Ok(t, hb.Delete(r.Mint, r.Maxt, del.ms...))
|
|
// }
|
|
|
|
// matched := labels.Slice{}
|
|
// for _, ls := range lbls {
|
|
// s := labels.Selector(del.ms)
|
|
// if s.Matches(ls) {
|
|
// matched = append(matched, ls)
|
|
// }
|
|
// }
|
|
|
|
// sort.Sort(matched)
|
|
|
|
// for i := 0; i < numRanges; i++ {
|
|
// mint := rand.Int63n(200)
|
|
// maxt := mint + rand.Int63n(timeInterval*int64(numDatapoints))
|
|
|
|
// q := hb.Querier(mint, maxt)
|
|
// ss := q.Select(del.ms...)
|
|
|
|
// // Build the mockSeriesSet.
|
|
// matchedSeries := make([]Series, 0, len(matched))
|
|
// for _, m := range matched {
|
|
// smpls := boundedSamples(seriesMap[m.String()], mint, maxt)
|
|
// smpls = deletedSamples(smpls, del.drange)
|
|
|
|
// // Only append those series for which samples exist as mockSeriesSet
|
|
// // doesn't skip series with no samples.
|
|
// // TODO: But sometimes SeriesSet returns an empty SeriesIterator
|
|
// if len(smpls) > 0 {
|
|
// matchedSeries = append(matchedSeries, newSeries(
|
|
// m.Map(),
|
|
// smpls,
|
|
// ))
|
|
// }
|
|
// }
|
|
// expSs := newListSeriesSet(matchedSeries)
|
|
|
|
// // Compare both SeriesSets.
|
|
// for {
|
|
// eok, rok := expSs.Next(), ss.Next()
|
|
|
|
// // Skip a series if iterator is empty.
|
|
// if rok {
|
|
// for !ss.At().Iterator().Next() {
|
|
// rok = ss.Next()
|
|
// if !rok {
|
|
// break
|
|
// }
|
|
// }
|
|
// }
|
|
// testutil.Equals(t, eok, rok, "next")
|
|
|
|
// if !eok {
|
|
// break
|
|
// }
|
|
// sexp := expSs.At()
|
|
// sres := ss.At()
|
|
|
|
// testutil.Equals(t, sexp.Labels(), sres.Labels(), "labels")
|
|
|
|
// smplExp, errExp := expandSeriesIterator(sexp.Iterator())
|
|
// smplRes, errRes := expandSeriesIterator(sres.Iterator())
|
|
|
|
// testutil.Equals(t, errExp, errRes, "samples error")
|
|
// testutil.Equals(t, smplExp, smplRes, "samples")
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
// return
|
|
// }
|
|
|
|
func boundedSamples(full []sample, mint, maxt int64) []sample {
|
|
for len(full) > 0 {
|
|
if full[0].t >= mint {
|
|
break
|
|
}
|
|
full = full[1:]
|
|
}
|
|
for i, s := range full {
|
|
// labels.Labelinate on the first sample larger than maxt.
|
|
if s.t > maxt {
|
|
return full[:i]
|
|
}
|
|
}
|
|
// maxt is after highest sample.
|
|
return full
|
|
}
|
|
|
|
func deletedSamples(full []sample, dranges Intervals) []sample {
|
|
ds := make([]sample, 0, len(full))
|
|
Outer:
|
|
for _, s := range full {
|
|
for _, r := range dranges {
|
|
if r.inBounds(s.t) {
|
|
continue Outer
|
|
}
|
|
}
|
|
ds = append(ds, s)
|
|
}
|
|
|
|
return ds
|
|
}
|
|
|
|
func TestComputeChunkEndTime(t *testing.T) {
|
|
cases := []struct {
|
|
start, cur, max int64
|
|
res int64
|
|
}{
|
|
{
|
|
start: 0,
|
|
cur: 250,
|
|
max: 1000,
|
|
res: 1000,
|
|
},
|
|
{
|
|
start: 100,
|
|
cur: 200,
|
|
max: 1000,
|
|
res: 550,
|
|
},
|
|
// Case where we fit floored 0 chunks. Must catch division by 0
|
|
// and default to maximum time.
|
|
{
|
|
start: 0,
|
|
cur: 500,
|
|
max: 1000,
|
|
res: 1000,
|
|
},
|
|
// Catch division by zero for cur == start. Strictly not a possible case.
|
|
{
|
|
start: 100,
|
|
cur: 100,
|
|
max: 1000,
|
|
res: 104,
|
|
},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
got := computeChunkEndTime(c.start, c.cur, c.max)
|
|
if got != c.res {
|
|
t.Errorf("expected %d for (start: %d, cur: %d, max: %d), got %d", c.res, c.start, c.cur, c.max, got)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestMemSeries_append(t *testing.T) {
|
|
s := newMemSeries(labels.Labels{}, 1, 500)
|
|
|
|
// Add first two samples at the very end of a chunk range and the next two
|
|
// on and after it.
|
|
// New chunk must correctly be cut at 1000.
|
|
ok, chunkCreated := s.append(998, 1)
|
|
testutil.Assert(t, ok, "append failed")
|
|
testutil.Assert(t, chunkCreated, "first sample created chunk")
|
|
|
|
ok, chunkCreated = s.append(999, 2)
|
|
testutil.Assert(t, ok, "append failed")
|
|
testutil.Assert(t, !chunkCreated, "second sample should use same chunk")
|
|
|
|
ok, chunkCreated = s.append(1000, 3)
|
|
testutil.Assert(t, ok, "append failed")
|
|
testutil.Assert(t, ok, "expected new chunk on boundary")
|
|
|
|
ok, chunkCreated = s.append(1001, 4)
|
|
testutil.Assert(t, ok, "append failed")
|
|
testutil.Assert(t, !chunkCreated, "second sample should use same chunk")
|
|
|
|
testutil.Assert(t, s.chunks[0].minTime == 998 && s.chunks[0].maxTime == 999, "wrong chunk range")
|
|
testutil.Assert(t, s.chunks[1].minTime == 1000 && s.chunks[1].maxTime == 1001, "wrong chunk range")
|
|
|
|
// Fill the range [1000,2000) with many samples. Intermediate chunks should be cut
|
|
// at approximately 120 samples per chunk.
|
|
for i := 1; i < 1000; i++ {
|
|
ok, _ := s.append(1001+int64(i), float64(i))
|
|
testutil.Assert(t, ok, "append failed")
|
|
}
|
|
|
|
testutil.Assert(t, len(s.chunks) > 7, "expected intermediate chunks")
|
|
|
|
// All chunks but the first and last should now be moderately full.
|
|
for i, c := range s.chunks[1 : len(s.chunks)-1] {
|
|
testutil.Assert(t, c.chunk.NumSamples() > 100, "unexpected small chunk %d of length %d", i, c.chunk.NumSamples())
|
|
}
|
|
}
|
|
|
|
func TestGCChunkAccess(t *testing.T) {
|
|
// Put a chunk, select it. GC it and then access it.
|
|
h, err := NewHead(nil, nil, NopWAL(), 1000)
|
|
testutil.Ok(t, err)
|
|
defer h.Close()
|
|
|
|
h.initTime(0)
|
|
|
|
s, _ := h.getOrCreate(1, labels.FromStrings("a", "1"))
|
|
s.chunks = []*memChunk{
|
|
{minTime: 0, maxTime: 999},
|
|
{minTime: 1000, maxTime: 1999},
|
|
}
|
|
|
|
idx := h.indexRange(0, 1500)
|
|
var (
|
|
lset labels.Labels
|
|
chunks []chunks.Meta
|
|
)
|
|
testutil.Ok(t, idx.Series(1, &lset, &chunks))
|
|
|
|
testutil.Equals(t, labels.Labels{{
|
|
Name: "a", Value: "1",
|
|
}}, lset)
|
|
testutil.Equals(t, 2, len(chunks))
|
|
|
|
cr := h.chunksRange(0, 1500)
|
|
_, err = cr.Chunk(chunks[0].Ref)
|
|
testutil.Ok(t, err)
|
|
_, err = cr.Chunk(chunks[1].Ref)
|
|
testutil.Ok(t, err)
|
|
|
|
h.Truncate(1500) // Remove a chunk.
|
|
|
|
_, err = cr.Chunk(chunks[0].Ref)
|
|
testutil.Equals(t, ErrNotFound, err)
|
|
_, err = cr.Chunk(chunks[1].Ref)
|
|
testutil.Ok(t, err)
|
|
}
|
|
|
|
func TestGCSeriesAccess(t *testing.T) {
|
|
// Put a series, select it. GC it and then access it.
|
|
h, err := NewHead(nil, nil, NopWAL(), 1000)
|
|
testutil.Ok(t, err)
|
|
defer h.Close()
|
|
|
|
h.initTime(0)
|
|
|
|
s, _ := h.getOrCreate(1, labels.FromStrings("a", "1"))
|
|
s.chunks = []*memChunk{
|
|
{minTime: 0, maxTime: 999},
|
|
{minTime: 1000, maxTime: 1999},
|
|
}
|
|
|
|
idx := h.indexRange(0, 2000)
|
|
var (
|
|
lset labels.Labels
|
|
chunks []chunks.Meta
|
|
)
|
|
testutil.Ok(t, idx.Series(1, &lset, &chunks))
|
|
|
|
testutil.Equals(t, labels.Labels{{
|
|
Name: "a", Value: "1",
|
|
}}, lset)
|
|
testutil.Equals(t, 2, len(chunks))
|
|
|
|
cr := h.chunksRange(0, 2000)
|
|
_, err = cr.Chunk(chunks[0].Ref)
|
|
testutil.Ok(t, err)
|
|
_, err = cr.Chunk(chunks[1].Ref)
|
|
testutil.Ok(t, err)
|
|
|
|
h.Truncate(2000) // Remove the series.
|
|
|
|
testutil.Equals(t, (*memSeries)(nil), h.series.getByID(1))
|
|
|
|
_, err = cr.Chunk(chunks[0].Ref)
|
|
testutil.Equals(t, ErrNotFound, err)
|
|
_, err = cr.Chunk(chunks[1].Ref)
|
|
testutil.Equals(t, ErrNotFound, err)
|
|
}
|