forked from Cistern/catena
/
partition_test.go
175 lines (137 loc) · 2.97 KB
/
partition_test.go
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package catena
import (
"fmt"
"os"
"runtime"
"sync"
"testing"
"time"
"github.com/Cistern/catena/partition"
"github.com/Cistern/catena/partition/disk"
"github.com/Cistern/catena/partition/memory"
"github.com/Cistern/catena/wal"
)
func TestMemoryPartition1(t *testing.T) {
os.RemoveAll("/tmp/wal.wal")
timestamps := 100
sources := 100
metrics := 100
WAL, err := wal.NewFileWAL("/tmp/wal.wal")
if err != nil {
t.Fatal(err)
}
p := memory.NewMemoryPartition(WAL)
workQueue := make(chan []partition.Row, timestamps*sources)
parallelism := runtime.NumCPU()
runtime.GOMAXPROCS(parallelism)
for i := 0; i < timestamps; i++ {
for j := 0; j < sources; j++ {
rows := make([]partition.Row, metrics)
for k := 0; k < metrics; k++ {
rows[k] = partition.Row{
Source: "source_" + fmt.Sprint(j),
Metric: "metric_" + fmt.Sprint(k),
Point: partition.Point{
Timestamp: int64(i),
Value: 0,
},
}
}
workQueue <- rows
}
}
wg := sync.WaitGroup{}
wg.Add(parallelism)
start := time.Now()
for i := 0; i < parallelism; i++ {
go func() {
for rows := range workQueue {
err := p.InsertRows(rows)
if err != nil {
t.Fatal(err)
}
}
wg.Done()
}()
}
close(workQueue)
wg.Wait()
t.Logf("%0.2f rows / sec\n", float64(timestamps*sources*metrics)/time.Now().Sub(start).Seconds())
i, err := p.NewIterator("source_0", "metric_0")
if err != nil {
t.Fatal(err)
}
expected := int64(0)
for i.Next() == nil {
if i.Point().Timestamp != expected {
t.Fatalf("expected timestamp %d; got %d", expected, i.Point().Timestamp)
}
expected++
}
i.Close()
if expected != int64(timestamps) {
t.Fatal(expected)
}
p.Close()
WAL, err = wal.OpenFileWAL("/tmp/wal.wal")
if err != nil {
t.Fatal(err)
}
start = time.Now()
p, err = memory.RecoverMemoryPartition(WAL)
if err != nil {
t.Fatal(err)
}
t.Logf("%0.2f rows / sec\n", float64(timestamps*sources*metrics)/time.Now().Sub(start).Seconds())
expected = int64(0)
i, err = p.NewIterator("source_0", "metric_0")
if err != nil {
t.Fatal(err)
}
for i.Next() == nil {
if i.Point().Timestamp != expected {
t.Fatalf("expected timestamp %d; got %d", expected, i.Point().Timestamp)
}
expected++
}
i.Close()
if expected != int64(timestamps) {
t.Fatal(expected)
}
p.SetReadOnly()
f, err := os.Create("/tmp/compact.part")
if err != nil {
p.Destroy()
t.Fatal(err)
}
err = p.Compact(f)
if err != nil {
p.Destroy()
t.Fatal(err)
}
err = p.Destroy()
if err != nil {
t.Fatal(err)
}
f.Close()
d, err := disk.OpenDiskPartition("/tmp/compact.part")
if err != nil {
t.Fatal(err)
}
diskIter, err := d.NewIterator("source_0", "metric_0")
if err != nil {
t.Fatal(err)
}
expected = 0
for diskIter.Next() == nil {
if diskIter.Point().Timestamp != expected {
t.Fatalf("expected timestamp %d; got %d", expected, diskIter.Point().Timestamp)
}
expected++
}
diskIter.Close()
err = d.Destroy()
if err != nil {
t.Fatal(err)
}
}