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benchmark_database.go
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benchmark_database.go
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// Copyright (C) 2019-2023, Lux Partners Limited. All rights reserved.
// See the file LICENSE for licensing terms.
package database
import (
"fmt"
"math/rand"
"testing"
"github.com/stretchr/testify/require"
"github.com/luxdefi/node/utils/units"
)
var (
// Benchmarks is a list of all database benchmarks
Benchmarks = []func(b *testing.B, db Database, name string, keys, values [][]byte){
BenchmarkGet,
BenchmarkPut,
BenchmarkDelete,
BenchmarkBatchPut,
BenchmarkBatchDelete,
BenchmarkBatchWrite,
BenchmarkParallelGet,
BenchmarkParallelPut,
BenchmarkParallelDelete,
}
// BenchmarkSizes to use with each benchmark
BenchmarkSizes = [][]int{
// count, keySize, valueSize
{1024, 32, 32},
{1024, 256, 256},
{1024, 2 * units.KiB, 2 * units.KiB},
}
)
// Writes size data into the db in order to setup reads in subsequent tests.
func SetupBenchmark(b *testing.B, count int, keySize, valueSize int) ([][]byte, [][]byte) {
require := require.New(b)
b.Helper()
keys := make([][]byte, count)
values := make([][]byte, count)
for i := 0; i < count; i++ {
keyBytes := make([]byte, keySize)
valueBytes := make([]byte, valueSize)
_, err := rand.Read(keyBytes) // #nosec G404
require.NoError(err)
_, err = rand.Read(valueBytes) // #nosec G404
require.NoError(err)
keys[i], values[i] = keyBytes, valueBytes
}
return keys, values
}
// BenchmarkGet measures the time it takes to get an operation from a database.
func BenchmarkGet(b *testing.B, db Database, name string, keys, values [][]byte) {
require.NotEmpty(b, keys)
count := len(keys)
b.Run(fmt.Sprintf("%s_%d_pairs_%d_keys_%d_values_db.get", name, count, len(keys[0]), len(values[0])), func(b *testing.B) {
require := require.New(b)
for i, key := range keys {
value := values[i]
require.NoError(db.Put(key, value))
}
b.ResetTimer()
// Reads b.N values from the db
for i := 0; i < b.N; i++ {
_, err := db.Get(keys[i%count])
require.NoError(err)
}
})
}
// BenchmarkPut measures the time it takes to write an operation to a database.
func BenchmarkPut(b *testing.B, db Database, name string, keys, values [][]byte) {
require.NotEmpty(b, keys)
count := len(keys)
b.Run(fmt.Sprintf("%s_%d_pairs_%d_keys_%d_values_db.put", name, count, len(keys[0]), len(values[0])), func(b *testing.B) {
// Writes b.N values to the db
for i := 0; i < b.N; i++ {
require.NoError(b, db.Put(keys[i%count], values[i%count]))
}
})
}
// BenchmarkDelete measures the time it takes to delete a (k, v) from a database.
func BenchmarkDelete(b *testing.B, db Database, name string, keys, values [][]byte) {
require.NotEmpty(b, keys)
count := len(keys)
b.Run(fmt.Sprintf("%s_%d_pairs_%d_keys_%d_values_db.delete", name, count, len(keys[0]), len(values[0])), func(b *testing.B) {
require := require.New(b)
// Writes random values of size _size_ to the database
for i, key := range keys {
value := values[i]
require.NoError(db.Put(key, value))
}
b.ResetTimer()
// Deletes b.N values from the db
for i := 0; i < b.N; i++ {
require.NoError(db.Delete(keys[i%count]))
}
})
}
// BenchmarkBatchPut measures the time it takes to batch put.
func BenchmarkBatchPut(b *testing.B, db Database, name string, keys, values [][]byte) {
require.NotEmpty(b, keys)
count := len(keys)
b.Run(fmt.Sprintf("%s_%d_pairs_%d_keys_%d_values_batch.put", name, count, len(keys[0]), len(values[0])), func(b *testing.B) {
batch := db.NewBatch()
for i := 0; i < b.N; i++ {
require.NoError(b, batch.Put(keys[i%count], values[i%count]))
}
})
}
// BenchmarkBatchDelete measures the time it takes to batch delete.
func BenchmarkBatchDelete(b *testing.B, db Database, name string, keys, values [][]byte) {
require.NotEmpty(b, keys)
count := len(keys)
b.Run(fmt.Sprintf("%s_%d_pairs_%d_keys_%d_values_batch.delete", name, count, len(keys[0]), len(values[0])), func(b *testing.B) {
batch := db.NewBatch()
for i := 0; i < b.N; i++ {
require.NoError(b, batch.Delete(keys[i%count]))
}
})
}
// BenchmarkBatchWrite measures the time it takes to batch write.
func BenchmarkBatchWrite(b *testing.B, db Database, name string, keys, values [][]byte) {
require.NotEmpty(b, keys)
count := len(keys)
b.Run(fmt.Sprintf("%s_%d_pairs_%d_keys_%d_values_batch.write", name, count, len(keys[0]), len(values[0])), func(b *testing.B) {
require := require.New(b)
batch := db.NewBatch()
for i, key := range keys {
value := values[i]
require.NoError(batch.Put(key, value))
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
require.NoError(batch.Write())
}
})
}
// BenchmarkParallelGet measures the time it takes to read in parallel.
func BenchmarkParallelGet(b *testing.B, db Database, name string, keys, values [][]byte) {
require.NotEmpty(b, keys)
count := len(keys)
b.Run(fmt.Sprintf("%s_%d_pairs_%d_keys_%d_values_db.get_parallel", name, count, len(keys[0]), len(values[0])), func(b *testing.B) {
require := require.New(b)
for i, key := range keys {
value := values[i]
require.NoError(db.Put(key, value))
}
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for i := 0; pb.Next(); i++ {
_, err := db.Get(keys[i%count])
require.NoError(err)
}
})
})
}
// BenchmarkParallelPut measures the time it takes to write to the db in parallel.
func BenchmarkParallelPut(b *testing.B, db Database, name string, keys, values [][]byte) {
require.NotEmpty(b, keys)
count := len(keys)
b.Run(fmt.Sprintf("%s_%d_pairs_%d_keys_%d_values_db.put_parallel", name, count, len(keys[0]), len(values[0])), func(b *testing.B) {
b.RunParallel(func(pb *testing.PB) {
// Write N values to the db
for i := 0; pb.Next(); i++ {
require.NoError(b, db.Put(keys[i%count], values[i%count]))
}
})
})
}
// BenchmarkParallelDelete measures the time it takes to delete a (k, v) from the db.
func BenchmarkParallelDelete(b *testing.B, db Database, name string, keys, values [][]byte) {
require.NotEmpty(b, keys)
count := len(keys)
b.Run(fmt.Sprintf("%s_%d_pairs_%d_keys_%d_values_db.delete_parallel", name, count, len(keys[0]), len(values[0])), func(b *testing.B) {
require := require.New(b)
for i, key := range keys {
value := values[i]
require.NoError(db.Put(key, value))
}
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
// Deletes b.N values from the db
for i := 0; pb.Next(); i++ {
require.NoError(db.Delete(keys[i%count]))
}
})
})
}