VictoriaMetrics/lib/storage/index_db_test.go
Aliaksandr Valialkin 86a1cd700b lib/storage: remove inmemory index for recent hour, since it uses too much memory
Production workload shows that the index requires ~4Kb of RAM per active time series.
This is too much for high number of active time series, so let's delete this index.

Now the queries should fall back to the index for the current day instead of the index
for the recent hour. The query performance for the current day index should be good enough
given the 100M rows/sec scan speed per CPU core.
2019-11-13 17:58:07 +02:00

1482 lines
42 KiB
Go

package storage
import (
"bytes"
"fmt"
"io"
"math/rand"
"os"
"reflect"
"sync/atomic"
"testing"
"time"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/encoding"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/uint64set"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/workingsetcache"
)
func TestMergeTagToMetricIDsRows(t *testing.T) {
f := func(items []string, expectedItems []string) {
t.Helper()
var data []byte
var itemsB [][]byte
for _, item := range items {
data = append(data, item...)
itemsB = append(itemsB, data[len(data)-len(item):])
}
if !checkItemsSorted(itemsB) {
t.Fatalf("source items aren't sorted; items:\n%q", itemsB)
}
resultData, resultItemsB := mergeTagToMetricIDsRows(data, itemsB)
if len(resultItemsB) != len(expectedItems) {
t.Fatalf("unexpected len(resultItemsB); got %d; want %d", len(resultItemsB), len(expectedItems))
}
if !checkItemsSorted(resultItemsB) {
t.Fatalf("result items aren't sorted; items:\n%q", resultItemsB)
}
for i, item := range resultItemsB {
if !bytes.HasPrefix(resultData, item) {
t.Fatalf("unexpected prefix for resultData #%d;\ngot\n%X\nwant\n%X", i, resultData, item)
}
resultData = resultData[len(item):]
}
if len(resultData) != 0 {
t.Fatalf("unexpected tail left in resultData: %X", resultData)
}
var resultItems []string
for _, item := range resultItemsB {
resultItems = append(resultItems, string(item))
}
if !reflect.DeepEqual(expectedItems, resultItems) {
t.Fatalf("unexpected items;\ngot\n%X\nwant\n%X", resultItems, expectedItems)
}
}
xy := func(nsPrefix byte, key, value string, metricIDs []uint64) string {
dst := marshalCommonPrefix(nil, nsPrefix)
if nsPrefix == nsPrefixDateTagToMetricIDs {
dst = encoding.MarshalUint64(dst, 1234567901233)
}
t := &Tag{
Key: []byte(key),
Value: []byte(value),
}
dst = t.Marshal(dst)
for _, metricID := range metricIDs {
dst = encoding.MarshalUint64(dst, metricID)
}
return string(dst)
}
x := func(key, value string, metricIDs []uint64) string {
return xy(nsPrefixTagToMetricIDs, key, value, metricIDs)
}
y := func(key, value string, metricIDs []uint64) string {
return xy(nsPrefixDateTagToMetricIDs, key, value, metricIDs)
}
f(nil, nil)
f([]string{}, nil)
f([]string{"foo"}, []string{"foo"})
f([]string{"a", "b", "c", "def"}, []string{"a", "b", "c", "def"})
f([]string{"\x00", "\x00b", "\x00c", "\x00def"}, []string{"\x00", "\x00b", "\x00c", "\x00def"})
f([]string{
x("", "", []uint64{0}),
x("", "", []uint64{0}),
x("", "", []uint64{0}),
x("", "", []uint64{0}),
}, []string{
x("", "", []uint64{0}),
x("", "", []uint64{0}),
x("", "", []uint64{0}),
})
f([]string{
x("", "", []uint64{0}),
x("", "", []uint64{0}),
x("", "", []uint64{0}),
y("", "", []uint64{0}),
y("", "", []uint64{0}),
y("", "", []uint64{0}),
}, []string{
x("", "", []uint64{0}),
x("", "", []uint64{0}),
y("", "", []uint64{0}),
y("", "", []uint64{0}),
})
f([]string{
x("", "", []uint64{0}),
x("", "", []uint64{0}),
x("", "", []uint64{0}),
x("", "", []uint64{0}),
"xyz",
}, []string{
x("", "", []uint64{0}),
x("", "", []uint64{0}),
"xyz",
})
f([]string{
"\x00asdf",
x("", "", []uint64{0}),
x("", "", []uint64{0}),
x("", "", []uint64{0}),
x("", "", []uint64{0}),
}, []string{
"\x00asdf",
x("", "", []uint64{0}),
x("", "", []uint64{0}),
})
f([]string{
"\x00asdf",
y("", "", []uint64{0}),
y("", "", []uint64{0}),
y("", "", []uint64{0}),
y("", "", []uint64{0}),
}, []string{
"\x00asdf",
y("", "", []uint64{0}),
y("", "", []uint64{0}),
})
f([]string{
"\x00asdf",
x("", "", []uint64{0}),
x("", "", []uint64{0}),
x("", "", []uint64{0}),
x("", "", []uint64{0}),
"xyz",
}, []string{
"\x00asdf",
x("", "", []uint64{0}),
"xyz",
})
f([]string{
"\x00asdf",
x("", "", []uint64{0}),
x("", "", []uint64{0}),
y("", "", []uint64{0}),
y("", "", []uint64{0}),
"xyz",
}, []string{
"\x00asdf",
x("", "", []uint64{0}),
y("", "", []uint64{0}),
"xyz",
})
f([]string{
"\x00asdf",
x("", "", []uint64{1}),
x("", "", []uint64{2}),
x("", "", []uint64{3}),
x("", "", []uint64{4}),
"xyz",
}, []string{
"\x00asdf",
x("", "", []uint64{1, 2, 3, 4}),
"xyz",
})
f([]string{
"\x00asdf",
x("", "", []uint64{1}),
x("", "", []uint64{2}),
x("", "", []uint64{3}),
x("", "", []uint64{4}),
}, []string{
"\x00asdf",
x("", "", []uint64{1, 2, 3}),
x("", "", []uint64{4}),
})
f([]string{
"\x00asdf",
x("", "", []uint64{1}),
x("", "", []uint64{2, 3, 4}),
x("", "", []uint64{2, 3, 4, 5}),
x("", "", []uint64{3, 5}),
"foo",
}, []string{
"\x00asdf",
x("", "", []uint64{1, 2, 3, 4, 5}),
"foo",
})
f([]string{
"\x00asdf",
x("", "", []uint64{1}),
x("", "a", []uint64{2, 3, 4}),
x("", "a", []uint64{2, 3, 4, 5}),
x("", "b", []uint64{3, 5}),
"foo",
}, []string{
"\x00asdf",
x("", "", []uint64{1}),
x("", "a", []uint64{2, 3, 4, 5}),
x("", "b", []uint64{3, 5}),
"foo",
})
f([]string{
"\x00asdf",
x("", "", []uint64{1}),
x("x", "a", []uint64{2, 3, 4}),
x("y", "", []uint64{2, 3, 4, 5}),
x("y", "x", []uint64{3, 5}),
"foo",
}, []string{
"\x00asdf",
x("", "", []uint64{1}),
x("x", "a", []uint64{2, 3, 4}),
x("y", "", []uint64{2, 3, 4, 5}),
x("y", "x", []uint64{3, 5}),
"foo",
})
f([]string{
"\x00asdf",
x("sdf", "aa", []uint64{1, 1, 3}),
x("sdf", "aa", []uint64{1, 2}),
"foo",
}, []string{
"\x00asdf",
x("sdf", "aa", []uint64{1, 2, 3}),
"foo",
})
f([]string{
"\x00asdf",
x("sdf", "aa", []uint64{1, 2, 2, 4}),
x("sdf", "aa", []uint64{1, 2, 3}),
"foo",
}, []string{
"\x00asdf",
x("sdf", "aa", []uint64{1, 2, 3, 4}),
"foo",
})
// Construct big source chunks
var metricIDs []uint64
metricIDs = metricIDs[:0]
for i := 0; i < maxMetricIDsPerRow-1; i++ {
metricIDs = append(metricIDs, uint64(i))
}
f([]string{
"\x00aa",
x("foo", "bar", metricIDs),
x("foo", "bar", metricIDs),
y("foo", "bar", metricIDs),
y("foo", "bar", metricIDs),
"x",
}, []string{
"\x00aa",
x("foo", "bar", metricIDs),
y("foo", "bar", metricIDs),
"x",
})
metricIDs = metricIDs[:0]
for i := 0; i < maxMetricIDsPerRow; i++ {
metricIDs = append(metricIDs, uint64(i))
}
f([]string{
"\x00aa",
x("foo", "bar", metricIDs),
x("foo", "bar", metricIDs),
"x",
}, []string{
"\x00aa",
x("foo", "bar", metricIDs),
x("foo", "bar", metricIDs),
"x",
})
metricIDs = metricIDs[:0]
for i := 0; i < 3*maxMetricIDsPerRow; i++ {
metricIDs = append(metricIDs, uint64(i))
}
f([]string{
"\x00aa",
x("foo", "bar", metricIDs),
x("foo", "bar", metricIDs),
"x",
}, []string{
"\x00aa",
x("foo", "bar", metricIDs),
x("foo", "bar", metricIDs),
"x",
})
f([]string{
"\x00aa",
x("foo", "bar", []uint64{0, 0, 1, 2, 3}),
x("foo", "bar", metricIDs),
x("foo", "bar", metricIDs),
"x",
}, []string{
"\x00aa",
x("foo", "bar", []uint64{0, 1, 2, 3}),
x("foo", "bar", metricIDs),
x("foo", "bar", metricIDs),
"x",
})
// Check for duplicate metricIDs removal
metricIDs = metricIDs[:0]
for i := 0; i < maxMetricIDsPerRow-1; i++ {
metricIDs = append(metricIDs, 123)
}
f([]string{
"\x00aa",
x("foo", "bar", metricIDs),
x("foo", "bar", metricIDs),
y("foo", "bar", metricIDs),
"x",
}, []string{
"\x00aa",
x("foo", "bar", []uint64{123}),
y("foo", "bar", []uint64{123}),
"x",
})
// Check fallback to the original items after merging, which result in incorrect ordering.
metricIDs = metricIDs[:0]
for i := 0; i < maxMetricIDsPerRow-3; i++ {
metricIDs = append(metricIDs, uint64(123))
}
f([]string{
"\x00aa",
x("foo", "bar", metricIDs),
x("foo", "bar", []uint64{123, 123, 125}),
x("foo", "bar", []uint64{123, 124}),
"x",
}, []string{
"\x00aa",
x("foo", "bar", metricIDs),
x("foo", "bar", []uint64{123, 123, 125}),
x("foo", "bar", []uint64{123, 124}),
"x",
})
f([]string{
"\x00aa",
x("foo", "bar", metricIDs),
x("foo", "bar", []uint64{123, 123, 125}),
x("foo", "bar", []uint64{123, 124}),
y("foo", "bar", []uint64{123, 124}),
}, []string{
"\x00aa",
x("foo", "bar", metricIDs),
x("foo", "bar", []uint64{123, 123, 125}),
x("foo", "bar", []uint64{123, 124}),
y("foo", "bar", []uint64{123, 124}),
})
f([]string{
x("foo", "bar", metricIDs),
x("foo", "bar", []uint64{123, 123, 125}),
x("foo", "bar", []uint64{123, 124}),
}, []string{
x("foo", "bar", metricIDs),
x("foo", "bar", []uint64{123, 123, 125}),
x("foo", "bar", []uint64{123, 124}),
})
}
func TestRemoveDuplicateMetricIDs(t *testing.T) {
f := func(metricIDs, expectedMetricIDs []uint64) {
t.Helper()
a := removeDuplicateMetricIDs(metricIDs)
if !reflect.DeepEqual(a, expectedMetricIDs) {
t.Fatalf("unexpected result from removeDuplicateMetricIDs:\ngot\n%d\nwant\n%d", a, expectedMetricIDs)
}
}
f(nil, nil)
f([]uint64{123}, []uint64{123})
f([]uint64{123, 123}, []uint64{123})
f([]uint64{123, 123, 123}, []uint64{123})
f([]uint64{123, 1234, 1235}, []uint64{123, 1234, 1235})
f([]uint64{0, 1, 1, 2}, []uint64{0, 1, 2})
f([]uint64{0, 0, 0, 1, 1, 2}, []uint64{0, 1, 2})
f([]uint64{0, 1, 1, 2, 2}, []uint64{0, 1, 2})
f([]uint64{0, 1, 2, 2}, []uint64{0, 1, 2})
}
func TestMarshalUnmarshalTSIDs(t *testing.T) {
f := func(tsids []TSID) {
t.Helper()
value := marshalTSIDs(nil, tsids)
tsidsGot, err := unmarshalTSIDs(nil, value)
if err != nil {
t.Fatalf("cannot unmarshal tsids: %s", err)
}
if len(tsids) == 0 && len(tsidsGot) != 0 || len(tsids) > 0 && !reflect.DeepEqual(tsids, tsidsGot) {
t.Fatalf("unexpected tsids unmarshaled\ngot\n%+v\nwant\n%+v", tsidsGot, tsids)
}
// Try marshlaing with prefix
prefix := []byte("prefix")
valueExt := marshalTSIDs(prefix, tsids)
if !bytes.Equal(valueExt[:len(prefix)], prefix) {
t.Fatalf("unexpected prefix after marshaling;\ngot\n%X\nwant\n%X", valueExt[:len(prefix)], prefix)
}
if !bytes.Equal(valueExt[len(prefix):], value) {
t.Fatalf("unexpected prefixed marshaled value;\ngot\n%X\nwant\n%X", valueExt[len(prefix):], value)
}
// Try unmarshaling with prefix
tsidPrefix := []TSID{{MetricID: 123}, {JobID: 456}}
tsidsGot, err = unmarshalTSIDs(tsidPrefix, value)
if err != nil {
t.Fatalf("cannot unmarshal prefixed tsids: %s", err)
}
if !reflect.DeepEqual(tsidsGot[:len(tsidPrefix)], tsidPrefix) {
t.Fatalf("unexpected tsid prefix\ngot\n%+v\nwant\n%+v", tsidsGot[:len(tsidPrefix)], tsidPrefix)
}
if len(tsids) == 0 && len(tsidsGot) != len(tsidPrefix) || len(tsids) > 0 && !reflect.DeepEqual(tsidsGot[len(tsidPrefix):], tsids) {
t.Fatalf("unexpected prefixed tsids unmarshaled\ngot\n%+v\nwant\n%+v", tsidsGot[len(tsidPrefix):], tsids)
}
}
f(nil)
f([]TSID{{MetricID: 123}})
f([]TSID{{JobID: 34}, {MetricID: 2343}, {InstanceID: 243321}})
}
func TestIndexDBOpenClose(t *testing.T) {
metricIDCache := workingsetcache.New(1234, time.Hour)
metricNameCache := workingsetcache.New(1234, time.Hour)
defer metricIDCache.Stop()
defer metricNameCache.Stop()
var hmCurr atomic.Value
hmCurr.Store(&hourMetricIDs{})
var hmPrev atomic.Value
hmPrev.Store(&hourMetricIDs{})
for i := 0; i < 5; i++ {
db, err := openIndexDB("test-index-db", metricIDCache, metricNameCache, &hmCurr, &hmPrev)
if err != nil {
t.Fatalf("cannot open indexDB: %s", err)
}
db.MustClose()
}
if err := os.RemoveAll("test-index-db"); err != nil {
t.Fatalf("cannot remove indexDB: %s", err)
}
}
func TestIndexDB(t *testing.T) {
const accountsCount = 3
const projectsCount = 2
const metricGroups = 10
t.Run("serial", func(t *testing.T) {
metricIDCache := workingsetcache.New(1234, time.Hour)
metricNameCache := workingsetcache.New(1234, time.Hour)
defer metricIDCache.Stop()
defer metricNameCache.Stop()
var hmCurr atomic.Value
hmCurr.Store(&hourMetricIDs{})
var hmPrev atomic.Value
hmPrev.Store(&hourMetricIDs{})
dbName := "test-index-db-serial"
db, err := openIndexDB(dbName, metricIDCache, metricNameCache, &hmCurr, &hmPrev)
if err != nil {
t.Fatalf("cannot open indexDB: %s", err)
}
defer func() {
db.MustClose()
if err := os.RemoveAll(dbName); err != nil {
t.Fatalf("cannot remove indexDB: %s", err)
}
}()
if err := testIndexDBBigMetricName(db); err != nil {
t.Fatalf("unexpected error: %s", err)
}
mns, tsids, err := testIndexDBGetOrCreateTSIDByName(db, accountsCount, projectsCount, metricGroups)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if err := testIndexDBBigMetricName(db); err != nil {
t.Fatalf("unexpected error: %s", err)
}
if err := testIndexDBCheckTSIDByName(db, mns, tsids, false); err != nil {
t.Fatalf("unexpected error: %s", err)
}
if err := testIndexDBBigMetricName(db); err != nil {
t.Fatalf("unexpected error: %s", err)
}
// Re-open the db and verify it works as expected.
db.MustClose()
db, err = openIndexDB(dbName, metricIDCache, metricNameCache, &hmCurr, &hmPrev)
if err != nil {
t.Fatalf("cannot open indexDB: %s", err)
}
if err := testIndexDBBigMetricName(db); err != nil {
t.Fatalf("unexpected error: %s", err)
}
if err := testIndexDBCheckTSIDByName(db, mns, tsids, false); err != nil {
t.Fatalf("unexpected error: %s", err)
}
if err := testIndexDBBigMetricName(db); err != nil {
t.Fatalf("unexpected error: %s", err)
}
})
t.Run("concurrent", func(t *testing.T) {
metricIDCache := workingsetcache.New(1234, time.Hour)
metricNameCache := workingsetcache.New(1234, time.Hour)
defer metricIDCache.Stop()
defer metricNameCache.Stop()
var hmCurr atomic.Value
hmCurr.Store(&hourMetricIDs{})
var hmPrev atomic.Value
hmPrev.Store(&hourMetricIDs{})
dbName := "test-index-db-concurrent"
db, err := openIndexDB(dbName, metricIDCache, metricNameCache, &hmCurr, &hmPrev)
if err != nil {
t.Fatalf("cannot open indexDB: %s", err)
}
defer func() {
db.MustClose()
if err := os.RemoveAll(dbName); err != nil {
t.Fatalf("cannot remove indexDB: %s", err)
}
}()
ch := make(chan error, 3)
for i := 0; i < cap(ch); i++ {
go func() {
if err := testIndexDBBigMetricName(db); err != nil {
ch <- err
return
}
mns, tsid, err := testIndexDBGetOrCreateTSIDByName(db, accountsCount, projectsCount, metricGroups)
if err != nil {
ch <- err
return
}
if err := testIndexDBBigMetricName(db); err != nil {
ch <- err
return
}
if err := testIndexDBCheckTSIDByName(db, mns, tsid, true); err != nil {
ch <- err
return
}
if err := testIndexDBBigMetricName(db); err != nil {
ch <- err
return
}
ch <- nil
}()
}
var errors []error
for i := 0; i < cap(ch); i++ {
select {
case err := <-ch:
if err != nil {
errors = append(errors, fmt.Errorf("unexpected error: %s", err))
}
case <-time.After(30 * time.Second):
t.Fatalf("timeout")
}
}
if len(errors) > 0 {
t.Fatal(errors[0])
}
})
}
func testIndexDBBigMetricName(db *indexDB) error {
var bigBytes []byte
for i := 0; i < 128*1000; i++ {
bigBytes = append(bigBytes, byte(i))
}
var mn MetricName
var tsid TSID
is := db.getIndexSearch()
defer db.putIndexSearch(is)
// Try creating too big metric group
mn.Reset()
mn.MetricGroup = append(mn.MetricGroup[:0], bigBytes...)
mn.sortTags()
metricName := mn.Marshal(nil)
if err := is.GetOrCreateTSIDByName(&tsid, metricName); err == nil {
return fmt.Errorf("expecting non-nil error on an attempt to insert metric with too big MetricGroup")
}
// Try creating too big tag key
mn.Reset()
mn.MetricGroup = append(mn.MetricGroup[:0], "xxx"...)
mn.Tags = []Tag{{
Key: append([]byte(nil), bigBytes...),
Value: []byte("foobar"),
}}
mn.sortTags()
metricName = mn.Marshal(nil)
if err := is.GetOrCreateTSIDByName(&tsid, metricName); err == nil {
return fmt.Errorf("expecting non-nil error on an attempt to insert metric with too big tag key")
}
// Try creating too big tag value
mn.Reset()
mn.MetricGroup = append(mn.MetricGroup[:0], "xxx"...)
mn.Tags = []Tag{{
Key: []byte("foobar"),
Value: append([]byte(nil), bigBytes...),
}}
mn.sortTags()
metricName = mn.Marshal(nil)
if err := is.GetOrCreateTSIDByName(&tsid, metricName); err == nil {
return fmt.Errorf("expecting non-nil error on an attempt to insert metric with too big tag value")
}
// Try creating metric name with too many tags
mn.Reset()
mn.MetricGroup = append(mn.MetricGroup[:0], "xxx"...)
for i := 0; i < 60000; i++ {
mn.Tags = append(mn.Tags, Tag{
Key: []byte(fmt.Sprintf("foobar %d", i)),
Value: []byte(fmt.Sprintf("sdfjdslkfj %d", i)),
})
}
mn.sortTags()
metricName = mn.Marshal(nil)
if err := is.GetOrCreateTSIDByName(&tsid, metricName); err == nil {
return fmt.Errorf("expecting non-nil error on an attempt to insert metric with too many tags")
}
return nil
}
func testIndexDBGetOrCreateTSIDByName(db *indexDB, accountsCount, projectsCount, metricGroups int) ([]MetricName, []TSID, error) {
// Create tsids.
var mns []MetricName
var tsids []TSID
is := db.getIndexSearch()
defer db.putIndexSearch(is)
var metricNameBuf []byte
for i := 0; i < 4e2+1; i++ {
var mn MetricName
// Init MetricGroup.
mn.MetricGroup = []byte(fmt.Sprintf("metricGroup_%d\x00\x01\x02", i%metricGroups))
// Init other tags.
tagsCount := rand.Intn(10) + 1
for j := 0; j < tagsCount; j++ {
key := fmt.Sprintf("key\x01\x02\x00_%d_%d", i, j)
value := fmt.Sprintf("val\x01_%d\x00_%d\x02", i, j)
mn.AddTag(key, value)
}
mn.sortTags()
metricNameBuf = mn.Marshal(metricNameBuf[:0])
// Create tsid for the metricName.
var tsid TSID
if err := is.GetOrCreateTSIDByName(&tsid, metricNameBuf); err != nil {
return nil, nil, fmt.Errorf("unexpected error when creating tsid for mn:\n%s: %s", &mn, err)
}
mns = append(mns, mn)
tsids = append(tsids, tsid)
}
// fill Date -> MetricID cache
date := uint64(timestampFromTime(time.Now())) / msecPerDay
for i := range tsids {
tsid := &tsids[i]
if err := db.storeDateMetricID(date, tsid.MetricID); err != nil {
return nil, nil, fmt.Errorf("error in storeDateMetricID(%d, %d): %s", date, tsid.MetricID, err)
}
}
// Flush index to disk, so it becomes visible for search
db.tb.DebugFlush()
return mns, tsids, nil
}
func testIndexDBCheckTSIDByName(db *indexDB, mns []MetricName, tsids []TSID, isConcurrent bool) error {
hasValue := func(tvs []string, v []byte) bool {
for _, tv := range tvs {
if string(v) == tv {
return true
}
}
return false
}
timeseriesCounters := make(map[uint64]bool)
var tsidCopy TSID
var metricNameCopy []byte
allKeys := make(map[string]bool)
for i := range mns {
mn := &mns[i]
tsid := &tsids[i]
tc := timeseriesCounters
tc[tsid.MetricID] = true
mn.sortTags()
metricName := mn.Marshal(nil)
if err := db.getTSIDByNameNoCreate(&tsidCopy, metricName); err != nil {
return fmt.Errorf("cannot obtain tsid #%d for mn %s: %s", i, mn, err)
}
if isConcurrent {
// Copy tsid.MetricID, since multiple TSIDs may match
// the same mn in concurrent mode.
tsidCopy.MetricID = tsid.MetricID
}
if !reflect.DeepEqual(tsid, &tsidCopy) {
return fmt.Errorf("unexpected tsid for mn:\n%s\ngot\n%+v\nwant\n%+v", mn, &tsidCopy, tsid)
}
// Search for metric name for the given metricID.
var err error
metricNameCopy, err = db.searchMetricName(metricNameCopy[:0], tsidCopy.MetricID)
if err != nil {
return fmt.Errorf("error in searchMetricName for metricID=%d; i=%d: %s", tsidCopy.MetricID, i, err)
}
if !bytes.Equal(metricName, metricNameCopy) {
return fmt.Errorf("unexpected mn for metricID=%d;\ngot\n%q\nwant\n%q", tsidCopy.MetricID, metricNameCopy, metricName)
}
// Try searching metric name for non-existent MetricID.
buf, err := db.searchMetricName(nil, 1)
if err != io.EOF {
return fmt.Errorf("expecting io.EOF error when searching for non-existing metricID; got %v", err)
}
if len(buf) > 0 {
return fmt.Errorf("expecting empty buf when searching for non-existent metricID; got %X", buf)
}
// Test SearchTagValues
tvs, err := db.SearchTagValues(nil, 1e5)
if err != nil {
return fmt.Errorf("error in SearchTagValues for __name__: %s", err)
}
if !hasValue(tvs, mn.MetricGroup) {
return fmt.Errorf("SearchTagValues couldn't find %q; found %q", mn.MetricGroup, tvs)
}
for i := range mn.Tags {
tag := &mn.Tags[i]
tvs, err := db.SearchTagValues(tag.Key, 1e5)
if err != nil {
return fmt.Errorf("error in SearchTagValues for __name__: %s", err)
}
if !hasValue(tvs, tag.Value) {
return fmt.Errorf("SearchTagValues couldn't find %q=%q; found %q", tag.Key, tag.Value, tvs)
}
allKeys[string(tag.Key)] = true
}
}
// Test SearchTagKeys
tks, err := db.SearchTagKeys(1e5)
if err != nil {
return fmt.Errorf("error in SearchTagKeys: %s", err)
}
if !hasValue(tks, nil) {
return fmt.Errorf("cannot find __name__ in %q", tks)
}
for key := range allKeys {
if !hasValue(tks, []byte(key)) {
return fmt.Errorf("cannot find %q in %q", key, tks)
}
}
// Check timerseriesCounters only for serial test.
// Concurrent test may create duplicate timeseries, so GetSeriesCount
// would return more timeseries than needed.
if !isConcurrent {
n, err := db.GetSeriesCount()
if err != nil {
return fmt.Errorf("unexpected error in GetSeriesCount(): %s", err)
}
if n != uint64(len(timeseriesCounters)) {
return fmt.Errorf("unexpected GetSeriesCount(); got %d; want %d", n, uint64(len(timeseriesCounters)))
}
}
// Try tag filters.
for i := range mns {
mn := &mns[i]
tsid := &tsids[i]
// Search without regexps.
tfs := NewTagFilters()
if err := tfs.Add(nil, mn.MetricGroup, false, false); err != nil {
return fmt.Errorf("cannot create tag filter for MetricGroup: %s", err)
}
for j := 0; j < len(mn.Tags); j++ {
t := &mn.Tags[j]
if err := tfs.Add(t.Key, t.Value, false, false); err != nil {
return fmt.Errorf("cannot create tag filter for tag: %s", err)
}
}
if err := tfs.Add(nil, []byte("foobar"), true, false); err != nil {
return fmt.Errorf("cannot add negative filter: %s", err)
}
if err := tfs.Add(nil, nil, true, false); err != nil {
return fmt.Errorf("cannot add no-op negative filter: %s", err)
}
tsidsFound, err := db.searchTSIDs([]*TagFilters{tfs}, TimeRange{}, 1e5)
if err != nil {
return fmt.Errorf("cannot search by exact tag filter: %s", err)
}
if !testHasTSID(tsidsFound, tsid) {
return fmt.Errorf("tsids is missing in exact tsidsFound\ntsid=%+v\ntsidsFound=%+v\ntfs=%s\nmn=%s\ni=%d", tsid, tsidsFound, tfs, mn, i)
}
// Verify tag cache.
tsidsCached, err := db.searchTSIDs([]*TagFilters{tfs}, TimeRange{}, 1e5)
if err != nil {
return fmt.Errorf("cannot search by exact tag filter: %s", err)
}
if !reflect.DeepEqual(tsidsCached, tsidsFound) {
return fmt.Errorf("unexpected tsids returned; got\n%+v; want\n%+v", tsidsCached, tsidsFound)
}
// Add negative filter for zeroing search results.
if err := tfs.Add(nil, mn.MetricGroup, true, false); err != nil {
return fmt.Errorf("cannot add negative filter for zeroing search results: %s", err)
}
tsidsFound, err = db.searchTSIDs([]*TagFilters{tfs}, TimeRange{}, 1e5)
if err != nil {
return fmt.Errorf("cannot search by exact tag filter with full negative: %s", err)
}
if testHasTSID(tsidsFound, tsid) {
return fmt.Errorf("unexpected tsid found for exact negative filter\ntsid=%+v\ntsidsFound=%+v\ntfs=%s\nmn=%s", tsid, tsidsFound, tfs, mn)
}
// Search with regexps.
tfs.Reset()
if err := tfs.Add(nil, mn.MetricGroup, false, true); err != nil {
return fmt.Errorf("cannot create regexp tag filter for MetricGroup: %s", err)
}
for j := 0; j < len(mn.Tags); j++ {
t := &mn.Tags[j]
if err := tfs.Add(t.Key, append(t.Value, "|foo*."...), false, true); err != nil {
return fmt.Errorf("cannot create regexp tag filter for tag: %s", err)
}
if err := tfs.Add(t.Key, append(t.Value, "|aaa|foo|bar"...), false, true); err != nil {
return fmt.Errorf("cannot create regexp tag filter for tag: %s", err)
}
}
if err := tfs.Add(nil, []byte("^foobar$"), true, true); err != nil {
return fmt.Errorf("cannot add negative filter with regexp: %s", err)
}
if err := tfs.Add(nil, nil, true, true); err != nil {
return fmt.Errorf("cannot add no-op negative filter with regexp: %s", err)
}
tsidsFound, err = db.searchTSIDs([]*TagFilters{tfs}, TimeRange{}, 1e5)
if err != nil {
return fmt.Errorf("cannot search by regexp tag filter: %s", err)
}
if !testHasTSID(tsidsFound, tsid) {
return fmt.Errorf("tsids is missing in regexp tsidsFound\ntsid=%+v\ntsidsFound=%+v\ntfs=%s\nmn=%s", tsid, tsidsFound, tfs, mn)
}
if err := tfs.Add(nil, mn.MetricGroup, true, true); err != nil {
return fmt.Errorf("cannot add negative filter for zeroing search results: %s", err)
}
tsidsFound, err = db.searchTSIDs([]*TagFilters{tfs}, TimeRange{}, 1e5)
if err != nil {
return fmt.Errorf("cannot search by regexp tag filter with full negative: %s", err)
}
if testHasTSID(tsidsFound, tsid) {
return fmt.Errorf("unexpected tsid found for regexp negative filter\ntsid=%+v\ntsidsFound=%+v\ntfs=%s\nmn=%s", tsid, tsidsFound, tfs, mn)
}
// Search with filter matching zero results.
tfs.Reset()
if err := tfs.Add([]byte("non-existing-key"), []byte("foobar"), false, false); err != nil {
return fmt.Errorf("cannot add non-existing key: %s", err)
}
if err := tfs.Add(nil, mn.MetricGroup, false, true); err != nil {
return fmt.Errorf("cannot create tag filter for MetricGroup matching zero results: %s", err)
}
tsidsFound, err = db.searchTSIDs([]*TagFilters{tfs}, TimeRange{}, 1e5)
if err != nil {
return fmt.Errorf("cannot search by non-existing tag filter: %s", err)
}
if len(tsidsFound) > 0 {
return fmt.Errorf("non-zero tsidsFound for non-existing tag filter: %+v", tsidsFound)
}
if isConcurrent {
// Skip empty filter search in concurrent mode, since it looks like
// it has a lag preventing from correct work.
continue
}
// Search with empty filter. It should match all the results.
tfs.Reset()
tsidsFound, err = db.searchTSIDs([]*TagFilters{tfs}, TimeRange{}, 1e5)
if err != nil {
return fmt.Errorf("cannot search for common prefix: %s", err)
}
if !testHasTSID(tsidsFound, tsid) {
return fmt.Errorf("tsids is missing in common prefix\ntsid=%+v\ntsidsFound=%+v\ntfs=%s\nmn=%s", tsid, tsidsFound, tfs, mn)
}
// Search with empty metricGroup. It should match zero results.
tfs.Reset()
if err := tfs.Add(nil, nil, false, false); err != nil {
return fmt.Errorf("cannot create tag filter for empty metricGroup: %s", err)
}
tsidsFound, err = db.searchTSIDs([]*TagFilters{tfs}, TimeRange{}, 1e5)
if err != nil {
return fmt.Errorf("cannot search for empty metricGroup: %s", err)
}
if len(tsidsFound) != 0 {
return fmt.Errorf("unexpected non-empty tsids found for empty metricGroup: %v", tsidsFound)
}
// Search with multiple tfss
tfs1 := NewTagFilters()
if err := tfs1.Add(nil, nil, false, false); err != nil {
return fmt.Errorf("cannot create tag filter for empty metricGroup: %s", err)
}
tfs2 := NewTagFilters()
if err := tfs2.Add(nil, mn.MetricGroup, false, false); err != nil {
return fmt.Errorf("cannot create tag filter for MetricGroup: %s", err)
}
tsidsFound, err = db.searchTSIDs([]*TagFilters{tfs1, tfs2}, TimeRange{}, 1e5)
if err != nil {
return fmt.Errorf("cannot search for empty metricGroup: %s", err)
}
if !testHasTSID(tsidsFound, tsid) {
return fmt.Errorf("tsids is missing when searching for multiple tfss \ntsid=%+v\ntsidsFound=%+v\ntfs=%s\nmn=%s", tsid, tsidsFound, tfs, mn)
}
// Verify empty tfss
tsidsFound, err = db.searchTSIDs(nil, TimeRange{}, 1e5)
if err != nil {
return fmt.Errorf("cannot search for nil tfss: %s", err)
}
if len(tsidsFound) != 0 {
return fmt.Errorf("unexpected non-empty tsids fround for nil tfss; found %d tsids", len(tsidsFound))
}
}
return nil
}
func testHasTSID(tsids []TSID, tsid *TSID) bool {
for i := range tsids {
if tsids[i] == *tsid {
return true
}
}
return false
}
func TestMatchTagFilters(t *testing.T) {
var mn MetricName
mn.MetricGroup = append(mn.MetricGroup, "foobar_metric"...)
for i := 0; i < 5; i++ {
key := fmt.Sprintf("key %d", i)
value := fmt.Sprintf("value %d", i)
mn.AddTag(key, value)
}
var bb bytesutil.ByteBuffer
var tfs TagFilters
tfs.Reset()
if err := tfs.Add(nil, []byte("foobar_metric"), false, false); err != nil {
t.Fatalf("cannot add filter: %s", err)
}
ok, err := matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("should match")
}
// Empty tag filters should match.
tfs.Reset()
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("empty tag filters should match")
}
// Negative match by MetricGroup
tfs.Reset()
if err := tfs.Add(nil, []byte("foobar"), false, false); err != nil {
t.Fatalf("cannot add no regexp, no negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if ok {
t.Fatalf("Shouldn't match")
}
tfs.Reset()
if err := tfs.Add(nil, []byte("obar.+"), false, true); err != nil {
t.Fatalf("cannot add regexp, no negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if ok {
t.Fatalf("Shouldn't match")
}
tfs.Reset()
if err := tfs.Add(nil, []byte("foobar_metric"), true, false); err != nil {
t.Fatalf("cannot add no regexp, negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if ok {
t.Fatalf("Shouldn't match")
}
tfs.Reset()
if err := tfs.Add(nil, []byte("foob.+metric"), true, true); err != nil {
t.Fatalf("cannot add regexp, negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if ok {
t.Fatalf("Shouldn't match")
}
// Positive match by MetricGroup
tfs.Reset()
if err := tfs.Add(nil, []byte("foobar_metric"), false, false); err != nil {
t.Fatalf("cannot add no regexp, no negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("Should match")
}
tfs.Reset()
if err := tfs.Add(nil, []byte("foobar.+etric"), false, true); err != nil {
t.Fatalf("cannot add regexp, no negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("Should match")
}
tfs.Reset()
if err := tfs.Add(nil, []byte("obar_metric"), true, false); err != nil {
t.Fatalf("cannot add no regexp, negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("Should match")
}
tfs.Reset()
if err := tfs.Add(nil, []byte("ob.+metric"), true, true); err != nil {
t.Fatalf("cannot add regexp, negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("Should match")
}
// Negative match by non-existing tag
tfs.Reset()
if err := tfs.Add([]byte("non-existing-tag"), []byte("foobar"), false, false); err != nil {
t.Fatalf("cannot add no regexp, no negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if ok {
t.Fatalf("Shouldn't match")
}
tfs.Reset()
if err := tfs.Add([]byte("non-existing-tag"), []byte("obar.+"), false, true); err != nil {
t.Fatalf("cannot add regexp, no negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if ok {
t.Fatalf("Shouldn't match")
}
tfs.Reset()
if err := tfs.Add([]byte("non-existing-tag"), []byte("foobar_metric"), true, false); err != nil {
t.Fatalf("cannot add no regexp, negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("Should match")
}
tfs.Reset()
if err := tfs.Add([]byte("non-existing-tag"), []byte("foob.+metric"), true, true); err != nil {
t.Fatalf("cannot add regexp, negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("Should match")
}
tfs.Reset()
if err := tfs.Add([]byte("non-existing-tag"), []byte(".+"), true, true); err != nil {
t.Fatalf("cannot add regexp, negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("Should match")
}
// Negative match by existing tag
tfs.Reset()
if err := tfs.Add([]byte("key 0"), []byte("foobar"), false, false); err != nil {
t.Fatalf("cannot add no regexp, no negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if ok {
t.Fatalf("Shouldn't match")
}
tfs.Reset()
if err := tfs.Add([]byte("key 1"), []byte("obar.+"), false, true); err != nil {
t.Fatalf("cannot add regexp, no negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if ok {
t.Fatalf("Shouldn't match")
}
tfs.Reset()
if err := tfs.Add([]byte("key 2"), []byte("value 2"), true, false); err != nil {
t.Fatalf("cannot add no regexp, negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if ok {
t.Fatalf("Shouldn't match")
}
tfs.Reset()
if err := tfs.Add([]byte("key 3"), []byte("v.+lue 3"), true, true); err != nil {
t.Fatalf("cannot add regexp, negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if ok {
t.Fatalf("Shouldn't match")
}
// Positive match by existing tag
tfs.Reset()
if err := tfs.Add([]byte("key 0"), []byte("value 0"), false, false); err != nil {
t.Fatalf("cannot add no regexp, no negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("Should match")
}
tfs.Reset()
if err := tfs.Add([]byte("key 1"), []byte(".+lue 1"), false, true); err != nil {
t.Fatalf("cannot add regexp, no negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("Should match")
}
tfs.Reset()
if err := tfs.Add([]byte("key 2"), []byte("value 3"), true, false); err != nil {
t.Fatalf("cannot add no regexp, negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("Should match")
}
tfs.Reset()
if err := tfs.Add([]byte("key 3"), []byte("v.+lue 2"), true, true); err != nil {
t.Fatalf("cannot add regexp, negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("Should match")
}
tfs.Reset()
if err := tfs.Add([]byte("key 3"), []byte(""), true, false); err != nil {
t.Fatalf("cannot add regexp, negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("Should match")
}
// Positive match by multiple tags and MetricGroup
tfs.Reset()
if err := tfs.Add([]byte("key 0"), []byte("value 0"), false, false); err != nil {
t.Fatalf("cannot add no regexp, no negative filter: %s", err)
}
if err := tfs.Add([]byte("key 2"), []byte("value [0-9]"), false, true); err != nil {
t.Fatalf("cannot add regexp, no negative filter: %s", err)
}
if err := tfs.Add([]byte("key 3"), []byte("value 23"), true, false); err != nil {
t.Fatalf("cannt add no regexp, negative filter: %s", err)
}
if err := tfs.Add([]byte("key 2"), []byte("lue.+43"), true, true); err != nil {
t.Fatalf("cannot add regexp, negative filter: %s", err)
}
if err := tfs.Add(nil, []byte("foobar_metric"), false, false); err != nil {
t.Fatalf("cannot add no regexp, no negative filter: %s", err)
}
if err := tfs.Add(nil, []byte("foo.+metric"), false, true); err != nil {
t.Fatalf("cannot add regexp, no negative filter: %s", err)
}
if err := tfs.Add(nil, []byte("sdfdsf"), true, false); err != nil {
t.Fatalf("cannot add no regexp, negative filter: %s", err)
}
if err := tfs.Add(nil, []byte("o.+metr"), true, true); err != nil {
t.Fatalf("cannot add regexp, negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ok {
t.Fatalf("Should match")
}
// Negative match by multiple tags and MetricGroup
tfs.Reset()
// Positive matches
if err := tfs.Add([]byte("key 0"), []byte("value 0"), false, false); err != nil {
t.Fatalf("cannot add no regexp, no negative filter: %s", err)
}
if err := tfs.Add([]byte("key 2"), []byte("value [0-9]"), false, true); err != nil {
t.Fatalf("cannot add regexp, no negative filter: %s", err)
}
if err := tfs.Add([]byte("key 3"), []byte("value 23"), true, false); err != nil {
t.Fatalf("cannot add no regexp, negative filter: %s", err)
}
// Negative matches
if err := tfs.Add([]byte("key 2"), []byte("v.+2"), true, true); err != nil {
t.Fatalf("cannot add regexp, negative filter: %s", err)
}
if err := tfs.Add(nil, []byte("obar_metric"), false, false); err != nil {
t.Fatalf("cannot add no regexp, no negative filter: %s", err)
}
if err := tfs.Add(nil, []byte("oo.+metric"), false, true); err != nil {
t.Fatalf("cannot add regexp, no negative filter: %s", err)
}
// Positive matches
if err := tfs.Add(nil, []byte("sdfdsf"), true, false); err != nil {
t.Fatalf("cannot add no regexp, negative filter: %s", err)
}
if err := tfs.Add(nil, []byte("o.+metr"), true, true); err != nil {
t.Fatalf("cannot add regexp, negative filter: %s", err)
}
ok, err = matchTagFilters(&mn, toTFPointers(tfs.tfs), &bb)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if ok {
t.Fatalf("Shouldn't match")
}
}
func TestSearchTSIDWithTimeRange(t *testing.T) {
metricIDCache := workingsetcache.New(1234, time.Hour)
metricNameCache := workingsetcache.New(1234, time.Hour)
defer metricIDCache.Stop()
defer metricNameCache.Stop()
currMetricIDs := &hourMetricIDs{
isFull: true,
m: &uint64set.Set{},
}
var hmCurr atomic.Value
hmCurr.Store(currMetricIDs)
prevMetricIDs := &hourMetricIDs{
isFull: true,
m: &uint64set.Set{},
}
var hmPrev atomic.Value
hmPrev.Store(prevMetricIDs)
dbName := "test-index-db-ts-range"
db, err := openIndexDB(dbName, metricIDCache, metricNameCache, &hmCurr, &hmPrev)
if err != nil {
t.Fatalf("cannot open indexDB: %s", err)
}
defer func() {
db.MustClose()
if err := os.RemoveAll(dbName); err != nil {
t.Fatalf("cannot remove indexDB: %s", err)
}
}()
is := db.getIndexSearch()
defer db.putIndexSearch(is)
// Create a bunch of per-day time series
const days = 5
const metricsPerDay = 1000
theDay := time.Date(2019, time.October, 15, 5, 1, 0, 0, time.UTC)
now := uint64(timestampFromTime(theDay))
currMetricIDs.hour = now / msecPerHour
prevMetricIDs.hour = (now - msecPerHour) / msecPerHour
baseDate := now / msecPerDay
var metricNameBuf []byte
for day := 0; day < days; day++ {
var tsids []TSID
for metric := 0; metric < metricsPerDay; metric++ {
var mn MetricName
mn.MetricGroup = []byte("testMetric")
mn.AddTag(
"constant",
"const",
)
mn.AddTag(
"day",
fmt.Sprintf("%v", day),
)
mn.AddTag(
"uniqueid",
fmt.Sprintf("%v", metric),
)
mn.sortTags()
metricNameBuf = mn.Marshal(metricNameBuf[:0])
var tsid TSID
if err := is.GetOrCreateTSIDByName(&tsid, metricNameBuf); err != nil {
t.Fatalf("unexpected error when creating tsid for mn:\n%s: %s", &mn, err)
}
tsids = append(tsids, tsid)
}
// Add the metrics to the per-day stores
date := baseDate - uint64(day*msecPerDay)
for i := range tsids {
tsid := &tsids[i]
if err := db.storeDateMetricID(date, tsid.MetricID); err != nil {
t.Fatalf("error in storeDateMetricID(%d, %d): %s", date, tsid.MetricID, err)
}
}
// Add the the hour metrics caches
if day == 0 {
for i := 0; i < 256; i++ {
prevMetricIDs.m.Add(tsids[i].MetricID)
currMetricIDs.m.Add(tsids[i].MetricID)
}
}
}
// Flush index to disk, so it becomes visible for search
db.tb.DebugFlush()
// Create a filter that will match series that occur across multiple days
tfs := NewTagFilters()
if err := tfs.Add([]byte("constant"), []byte("const"), false, false); err != nil {
t.Fatalf("cannot add filter: %s", err)
}
// Perform a search that can be fulfilled out of the hour metrics cache.
// This should return the metrics in the hourly cache
tr := TimeRange{
MinTimestamp: int64(now - msecPerHour + 1),
MaxTimestamp: int64(now),
}
matchedTSIDs, err := db.searchTSIDs([]*TagFilters{tfs}, tr, 10000)
if err != nil {
t.Fatalf("error searching tsids: %v", err)
}
if len(matchedTSIDs) != 256 {
t.Fatal("Expected time series for current hour, got", len(matchedTSIDs))
}
// Perform a search within a day that falls out out of the hour metrics cache.
// This should return the metrics for the day
tr = TimeRange{
MinTimestamp: int64(now - 2*msecPerHour - 1),
MaxTimestamp: int64(now),
}
matchedTSIDs, err = db.searchTSIDs([]*TagFilters{tfs}, tr, 10000)
if err != nil {
t.Fatalf("error searching tsids: %v", err)
}
if len(matchedTSIDs) != metricsPerDay {
t.Fatal("Expected time series for current day, got", len(matchedTSIDs))
}
// Perform a search across all the days, should match all metrics
tr = TimeRange{
MinTimestamp: int64(now - msecPerDay*days),
MaxTimestamp: int64(now),
}
matchedTSIDs, err = db.searchTSIDs([]*TagFilters{tfs}, tr, 10000)
if err != nil {
t.Fatalf("error searching tsids: %v", err)
}
if len(matchedTSIDs) != metricsPerDay*days {
t.Fatal("Expected time series for all days, got", len(matchedTSIDs))
}
}
func toTFPointers(tfs []tagFilter) []*tagFilter {
tfps := make([]*tagFilter, len(tfs))
for i := range tfs {
tfps[i] = &tfs[i]
}
return tfps
}