mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-18 04:10:22 +00:00
154 lines
2.8 KiB
Go
154 lines
2.8 KiB
Go
package diskv
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import (
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"fmt"
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"math/rand"
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"testing"
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)
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func shuffle(keys []string) {
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ints := rand.Perm(len(keys))
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for i := range keys {
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keys[i], keys[ints[i]] = keys[ints[i]], keys[i]
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}
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}
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func genValue(size int) []byte {
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v := make([]byte, size)
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for i := 0; i < size; i++ {
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v[i] = uint8((rand.Int() % 26) + 97) // a-z
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}
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return v
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}
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const (
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keyCount = 1000
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)
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func genKeys() []string {
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keys := make([]string, keyCount)
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for i := 0; i < keyCount; i++ {
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keys[i] = fmt.Sprintf("%d", i)
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}
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return keys
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}
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func (d *Diskv) load(keys []string, val []byte) {
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for _, key := range keys {
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d.Write(key, val)
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}
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}
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func benchRead(b *testing.B, size, cachesz int) {
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b.StopTimer()
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d := New(Options{
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BasePath: "speed-test",
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Transform: func(string) []string { return []string{} },
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CacheSizeMax: uint64(cachesz),
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})
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defer d.EraseAll()
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keys := genKeys()
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value := genValue(size)
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d.load(keys, value)
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shuffle(keys)
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b.SetBytes(int64(size))
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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_, _ = d.Read(keys[i%len(keys)])
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}
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b.StopTimer()
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}
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func benchWrite(b *testing.B, size int, withIndex bool) {
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b.StopTimer()
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options := Options{
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BasePath: "speed-test",
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Transform: func(string) []string { return []string{} },
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CacheSizeMax: 0,
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}
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if withIndex {
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options.Index = &BTreeIndex{}
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options.IndexLess = strLess
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}
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d := New(options)
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defer d.EraseAll()
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keys := genKeys()
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value := genValue(size)
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shuffle(keys)
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b.SetBytes(int64(size))
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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d.Write(keys[i%len(keys)], value)
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}
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b.StopTimer()
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}
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func BenchmarkWrite__32B_NoIndex(b *testing.B) {
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benchWrite(b, 32, false)
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}
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func BenchmarkWrite__1KB_NoIndex(b *testing.B) {
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benchWrite(b, 1024, false)
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}
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func BenchmarkWrite__4KB_NoIndex(b *testing.B) {
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benchWrite(b, 4096, false)
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}
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func BenchmarkWrite_10KB_NoIndex(b *testing.B) {
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benchWrite(b, 10240, false)
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}
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func BenchmarkWrite__32B_WithIndex(b *testing.B) {
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benchWrite(b, 32, true)
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}
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func BenchmarkWrite__1KB_WithIndex(b *testing.B) {
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benchWrite(b, 1024, true)
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}
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func BenchmarkWrite__4KB_WithIndex(b *testing.B) {
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benchWrite(b, 4096, true)
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}
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func BenchmarkWrite_10KB_WithIndex(b *testing.B) {
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benchWrite(b, 10240, true)
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}
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func BenchmarkRead__32B_NoCache(b *testing.B) {
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benchRead(b, 32, 0)
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}
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func BenchmarkRead__1KB_NoCache(b *testing.B) {
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benchRead(b, 1024, 0)
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}
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func BenchmarkRead__4KB_NoCache(b *testing.B) {
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benchRead(b, 4096, 0)
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}
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func BenchmarkRead_10KB_NoCache(b *testing.B) {
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benchRead(b, 10240, 0)
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}
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func BenchmarkRead__32B_WithCache(b *testing.B) {
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benchRead(b, 32, keyCount*32*2)
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}
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func BenchmarkRead__1KB_WithCache(b *testing.B) {
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benchRead(b, 1024, keyCount*1024*2)
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}
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func BenchmarkRead__4KB_WithCache(b *testing.B) {
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benchRead(b, 4096, keyCount*4096*2)
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}
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func BenchmarkRead_10KB_WithCache(b *testing.B) {
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benchRead(b, 10240, keyCount*4096*2)
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}
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