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|
package benchmarks
import (
"fmt"
"os"
"path/filepath"
"testing"
"time"
)
// BenchmarkDCatSimple benchmarks simple file reading
func BenchmarkDCatSimple(b *testing.B) {
cleanup := SetupBenchmark(b)
defer cleanup()
sizes := GetBenchmarkSizes()
for _, size := range sizes {
b.Run(fmt.Sprintf("Size=%s", size), func(b *testing.B) {
// Generate test file
config := TestDataConfig{
Size: size,
Format: SimpleLogFormat,
Compression: NoCompression,
LineVariation: 50,
}
testFile := GenerateTestFile(b, config)
defer os.Remove(testFile)
fileSize, _ := GetFileSize(testFile)
lineCount, _ := CountFileLines(testFile)
// Warmup
WarmupCommand(b, "dcat", "--plain", "--cfg", "none", testFile)
b.ResetTimer()
// Run benchmark
totalDuration := time.Duration(0)
for i := 0; i < b.N; i++ {
result, err := RunBenchmarkCommand(b, "dcat", "--plain", "--cfg", "none", testFile)
if err != nil {
b.Fatalf("Command failed: %v", err)
}
totalDuration += result.Duration
}
avgDuration := totalDuration / time.Duration(b.N)
throughput := CalculateThroughput(fileSize, avgDuration)
linesPerSec := CalculateLinesPerSecond(lineCount, avgDuration)
// Report metrics
b.ReportMetric(throughput, "MB/sec")
b.ReportMetric(linesPerSec, "lines/sec")
// Save result
benchResult := BenchmarkResult{
Timestamp: time.Now(),
Tool: "dcat",
Operation: fmt.Sprintf("Simple_%s", size),
FileSize: fileSize,
Duration: avgDuration,
Throughput: throughput,
LinesPerSec: linesPerSec,
}
SaveResults([]BenchmarkResult{benchResult})
})
}
}
// BenchmarkDCatMultipleFiles benchmarks reading multiple files
func BenchmarkDCatMultipleFiles(b *testing.B) {
cleanup := SetupBenchmark(b)
defer cleanup()
numFiles := []int{10, 50, 100}
fileSize := Small / 10 // 1MB each
for _, num := range numFiles {
b.Run(fmt.Sprintf("Files=%d", num), func(b *testing.B) {
// Generate test files
var testFiles []string
totalSize := int64(0)
totalLines := 0
for i := 0; i < num; i++ {
config := TestDataConfig{
Size: FileSize(fileSize),
Format: SimpleLogFormat,
Compression: NoCompression,
LineVariation: 50,
}
testFile := GenerateTestFile(b, config)
testFiles = append(testFiles, testFile)
defer os.Remove(testFile)
size, _ := GetFileSize(testFile)
lines, _ := CountFileLines(testFile)
totalSize += size
totalLines += lines
}
// Warmup
args := append([]string{"--plain", "--cfg", "none"}, testFiles...)
WarmupCommand(b, "dcat", args...)
b.ResetTimer()
// Run benchmark
totalDuration := time.Duration(0)
for i := 0; i < b.N; i++ {
result, err := RunBenchmarkCommand(b, "dcat", args...)
if err != nil {
b.Fatalf("Command failed: %v", err)
}
totalDuration += result.Duration
}
avgDuration := totalDuration / time.Duration(b.N)
throughput := CalculateThroughput(totalSize, avgDuration)
linesPerSec := CalculateLinesPerSecond(totalLines, avgDuration)
// Report metrics
b.ReportMetric(throughput, "MB/sec")
b.ReportMetric(linesPerSec, "lines/sec")
b.ReportMetric(float64(num), "files")
// Save result
benchResult := BenchmarkResult{
Timestamp: time.Now(),
Tool: "dcat",
Operation: fmt.Sprintf("MultiFile_%d", num),
FileSize: totalSize,
Duration: avgDuration,
Throughput: throughput,
LinesPerSec: linesPerSec,
}
SaveResults([]BenchmarkResult{benchResult})
})
}
}
// BenchmarkDCatCompressed benchmarks reading compressed files
func BenchmarkDCatCompressed(b *testing.B) {
cleanup := SetupBenchmark(b)
defer cleanup()
compressions := []struct {
name string
typ CompressionType
}{
{"none", NoCompression},
{"gzip", GzipCompression},
{"zstd", ZstdCompression},
}
sizes := GetBenchmarkSizes()
if IsQuickMode() {
sizes = []FileSize{Small}
}
for _, size := range sizes {
for _, comp := range compressions {
b.Run(fmt.Sprintf("Size=%s/Compression=%s", size, comp.name), func(b *testing.B) {
// Generate test file
config := TestDataConfig{
Size: size,
Format: SimpleLogFormat,
Compression: comp.typ,
LineVariation: 50,
}
testFile := GenerateTestFile(b, config)
defer os.Remove(testFile)
// Get uncompressed size for throughput calculation
uncompressedSize := int64(size)
compressedSize, _ := GetFileSize(testFile)
compressionRatio := float64(uncompressedSize) / float64(compressedSize)
// Estimate line count (compressed files are harder to count)
approxLineCount := int(size) / 150
// Warmup
WarmupCommand(b, "dcat", "--plain", "--cfg", "none", testFile)
b.ResetTimer()
// Run benchmark
totalDuration := time.Duration(0)
for i := 0; i < b.N; i++ {
result, err := RunBenchmarkCommand(b, "dcat", "--plain", "--cfg", "none", testFile)
if err != nil {
b.Fatalf("Command failed: %v", err)
}
totalDuration += result.Duration
}
avgDuration := totalDuration / time.Duration(b.N)
// Throughput based on uncompressed size
throughput := CalculateThroughput(uncompressedSize, avgDuration)
linesPerSec := CalculateLinesPerSecond(approxLineCount, avgDuration)
// Report metrics
b.ReportMetric(throughput, "MB/sec")
b.ReportMetric(linesPerSec, "lines/sec")
b.ReportMetric(compressionRatio, "compression_ratio")
// Save result
benchResult := BenchmarkResult{
Timestamp: time.Now(),
Tool: "dcat",
Operation: fmt.Sprintf("Compressed_%s_%s", comp.name, size),
FileSize: uncompressedSize,
Duration: avgDuration,
Throughput: throughput,
LinesPerSec: linesPerSec,
}
SaveResults([]BenchmarkResult{benchResult})
})
}
}
}
// BenchmarkDCatServerMode benchmarks server mode vs serverless
func BenchmarkDCatServerMode(b *testing.B) {
cleanup := SetupBenchmark(b)
defer cleanup()
// Skip if dserver binary doesn't exist
dserverPath := filepath.Join("..", "dserver")
if _, err := os.Stat(dserverPath); err != nil {
b.Skip("dserver binary not found, skipping server mode benchmarks")
}
modes := []struct {
name string
server bool
}{
{"serverless", false},
{"server", true},
}
sizes := GetBenchmarkSizes()
if IsQuickMode() {
sizes = []FileSize{Small}
}
for _, size := range sizes {
for _, mode := range modes {
b.Run(fmt.Sprintf("Size=%s/Mode=%s", size, mode.name), func(b *testing.B) {
// Generate test file
config := TestDataConfig{
Size: size,
Format: SimpleLogFormat,
Compression: NoCompression,
LineVariation: 50,
}
testFile := GenerateTestFile(b, config)
defer os.Remove(testFile)
fileSize, _ := GetFileSize(testFile)
lineCount, _ := CountFileLines(testFile)
var args []string
if mode.server {
// Start dserver
// Note: In a real implementation, we'd need to:
// 1. Start dserver in background
// 2. Wait for it to be ready
// 3. Run dcat with --servers flag
// 4. Stop dserver after benchmark
// For now, we'll skip the actual server mode implementation
b.Skip("Server mode benchmarking requires additional setup")
} else {
args = []string{"--plain", "--cfg", "none", testFile}
}
// Warmup
WarmupCommand(b, "dcat", args...)
b.ResetTimer()
// Run benchmark
totalDuration := time.Duration(0)
for i := 0; i < b.N; i++ {
result, err := RunBenchmarkCommand(b, "dcat", args...)
if err != nil {
b.Fatalf("Command failed: %v", err)
}
totalDuration += result.Duration
}
avgDuration := totalDuration / time.Duration(b.N)
throughput := CalculateThroughput(fileSize, avgDuration)
linesPerSec := CalculateLinesPerSecond(lineCount, avgDuration)
// Report metrics
b.ReportMetric(throughput, "MB/sec")
b.ReportMetric(linesPerSec, "lines/sec")
// Save result
benchResult := BenchmarkResult{
Timestamp: time.Now(),
Tool: "dcat",
Operation: fmt.Sprintf("%s_%s", mode.name, size),
FileSize: fileSize,
Duration: avgDuration,
Throughput: throughput,
LinesPerSec: linesPerSec,
}
SaveResults([]BenchmarkResult{benchResult})
})
}
}
}
|
