seaweedfs/weed/storage/needle_map_metric_test.go

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package storage
import (
"math/rand"
"os"
"testing"
"github.com/seaweedfs/seaweedfs/weed/glog"
. "github.com/seaweedfs/seaweedfs/weed/storage/types"
)
func TestFastLoadingNeedleMapMetrics(t *testing.T) {
idxFile, _ := os.CreateTemp("", "tmp.idx")
nm := NewCompactNeedleMap(idxFile)
for i := 0; i < 10000; i++ {
nm.Put(Uint64ToNeedleId(uint64(i+1)), Uint32ToOffset(uint32(0)), Size(1))
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if rand.Float32() < 0.2 && i > 0 {
nm.Delete(Uint64ToNeedleId(uint64(rand.Int63n(int64(i))+1)), Uint32ToOffset(uint32(0)))
}
}
mm, _ := newNeedleMapMetricFromIndexFile(idxFile)
glog.V(0).Infof("FileCount expected %d actual %d", nm.FileCount(), mm.FileCount())
glog.V(0).Infof("DeletedSize expected %d actual %d", nm.DeletedSize(), mm.DeletedSize())
glog.V(0).Infof("ContentSize expected %d actual %d", nm.ContentSize(), mm.ContentSize())
glog.V(0).Infof("DeletedCount expected %d actual %d", nm.DeletedCount(), mm.DeletedCount())
glog.V(0).Infof("MaxFileKey expected %d actual %d", nm.MaxFileKey(), mm.MaxFileKey())
}