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// Copyright 2020 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package database
import (
"context"
"fmt"
"regexp"
"strconv"
"strings"
"testing"
"time"
"gvisor.dev/gvisor/pkg/test/dockerutil"
"gvisor.dev/gvisor/test/benchmarks/harness"
)
// All possible operations from redis. Note: "ping" will
// run both PING_INLINE and PING_BUILD.
var operations []string = []string{
"PING_INLINE",
"PING_BULK",
"SET",
"GET",
"INCR",
"LPUSH",
"RPUSH",
"LPOP",
"RPOP",
"SADD",
"HSET",
"SPOP",
"LRANGE_100",
"LRANGE_300",
"LRANGE_500",
"LRANGE_600",
"MSET",
}
// BenchmarkRedis runs redis-benchmark against a redis instance and reports
// data in queries per second. Each is reported by named operation (e.g. LPUSH).
func BenchmarkRedis(b *testing.B) {
clientMachine, err := h.GetMachine()
if err != nil {
b.Fatalf("failed to get machine: %v", err)
}
defer clientMachine.CleanUp()
serverMachine, err := h.GetMachine()
if err != nil {
b.Fatalf("failed to get machine: %v", err)
}
defer serverMachine.CleanUp()
// Redis runs on port 6379 by default.
port := 6379
ctx := context.Background()
for _, operation := range operations {
b.Run(operation, func(b *testing.B) {
server := serverMachine.GetContainer(ctx, b)
defer server.CleanUp(ctx)
// The redis docker container takes no arguments to run a redis server.
if err := server.Spawn(ctx, dockerutil.RunOpts{
Image: "benchmarks/redis",
Ports: []int{port},
}); err != nil {
b.Fatalf("failed to start redis server with: %v", err)
}
if out, err := server.WaitForOutput(ctx, "Ready to accept connections", 3*time.Second); err != nil {
b.Fatalf("failed to start redis server: %v %s", err, out)
}
ip, err := serverMachine.IPAddress()
if err != nil {
b.Fatal("failed to get IP from server: %v", err)
}
serverPort, err := server.FindPort(ctx, port)
if err != nil {
b.Fatal("failed to get IP from server: %v", err)
}
if err = harness.WaitUntilServing(ctx, clientMachine, ip, serverPort); err != nil {
b.Fatalf("failed to start redis with: %v", err)
}
// runs redis benchmark -t operation for 100K requests against server.
cmd := strings.Split(
fmt.Sprintf("redis-benchmark --csv -t %s -h %s -p %d", operation, ip, serverPort), " ")
// There is no -t PING_BULK for redis-benchmark, so adjust the command in that case.
// Note that "ping" will run both PING_INLINE and PING_BULK.
if operation == "PING_BULK" {
cmd = strings.Split(
fmt.Sprintf("redis-benchmark --csv -t ping -h %s -p %d", ip, serverPort), " ")
}
// Reset profiles and timer to begin the measurement.
server.RestartProfiles()
b.ResetTimer()
for i := 0; i < b.N; i++ {
client := clientMachine.GetNativeContainer(ctx, b)
defer client.CleanUp(ctx)
out, err := client.Run(ctx, dockerutil.RunOpts{
Image: "benchmarks/redis",
}, cmd...)
if err != nil {
b.Fatalf("redis-benchmark failed with: %v", err)
}
// Stop time while we parse results.
b.StopTimer()
result, err := parseOperation(operation, out)
if err != nil {
b.Fatalf("parsing result %s failed with err: %v", out, err)
}
b.ReportMetric(result, operation) // operations per second
b.StartTimer()
}
})
}
}
// parseOperation grabs the metric operations per second from redis-benchmark output.
func parseOperation(operation, data string) (float64, error) {
re := regexp.MustCompile(fmt.Sprintf(`"%s( .*)?","(\d*\.\d*)"`, operation))
match := re.FindStringSubmatch(data)
// If no match, simply don't add it to the result map.
if len(match) < 3 {
return 0.0, fmt.Errorf("could not find %s in %s", operation, data)
}
return strconv.ParseFloat(match[2], 64)
}
// TestParser tests the parser on sample data.
func TestParser(t *testing.T) {
sampleData := `
"PING_INLINE","48661.80"
"PING_BULK","50301.81"
"SET","48923.68"
"GET","49382.71"
"INCR","49975.02"
"LPUSH","49875.31"
"RPUSH","50276.52"
"LPOP","50327.12"
"RPOP","50556.12"
"SADD","49504.95"
"HSET","49504.95"
"SPOP","50025.02"
"LPUSH (needed to benchmark LRANGE)","48875.86"
"LRANGE_100 (first 100 elements)","33955.86"
"LRANGE_300 (first 300 elements)","16550.81"
"LRANGE_500 (first 450 elements)","13653.74"
"LRANGE_600 (first 600 elements)","11219.57"
"MSET (10 keys)","44682.75"
`
wants := map[string]float64{
"PING_INLINE": 48661.80,
"PING_BULK": 50301.81,
"SET": 48923.68,
"GET": 49382.71,
"INCR": 49975.02,
"LPUSH": 49875.31,
"RPUSH": 50276.52,
"LPOP": 50327.12,
"RPOP": 50556.12,
"SADD": 49504.95,
"HSET": 49504.95,
"SPOP": 50025.02,
"LRANGE_100": 33955.86,
"LRANGE_300": 16550.81,
"LRANGE_500": 13653.74,
"LRANGE_600": 11219.57,
"MSET": 44682.75,
}
for op, want := range wants {
if got, err := parseOperation(op, sampleData); err != nil {
t.Fatalf("failed to parse %s: %v", op, err)
} else if want != got {
t.Fatalf("wanted %f for op %s, got %f", want, op, got)
}
}
}
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