67 lines
1.8 KiB
Bash
67 lines
1.8 KiB
Bash
#!/bin/bash
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# 设置测试目录
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TEST_DIR="/var/lib/docker/"
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# 设置大文件和小文件的大小
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LARGE_FILE_SIZE=3G # 1GB
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SMALL_FILE_SIZE=10M # 1MB
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LARGE_FILE="${TEST_DIR}/large_test_file"
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SMALL_FILE="${TEST_DIR}/small_test_file"
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# 创建测试目录，如果不存在
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mkdir -p "$TEST_DIR"
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# 测试大文件读写速度
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echo "开始大文件读写测试..."
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# 写入大文件并测量时间
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start_time=$(date +%s.%N)
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dd if=/dev/zero of="$LARGE_FILE" bs=1M count=1024 conv=fdatasync
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end_time=$(date +%s.%N)
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write_time=$(echo "$end_time - $start_time" | bc)
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write_speed=$(echo "scale=2; 1024 / $write_time" | bc)
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echo "大文件写入速度: ${write_speed} MB/s"
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# 读取大文件并测量时间
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start_time=$(date +%s.%N)
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dd if="$LARGE_FILE" of=/dev/null bs=1M
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end_time=$(date +%s.%N)
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read_time=$(echo "$end_time - $start_time" | bc)
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read_speed=$(echo "scale=2; 1024 / $read_time" | bc)
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echo "大文件读取速度: ${read_speed} MB/s"
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# 清理大文件
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rm -f "$LARGE_FILE"
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# 测试小文件读写速度
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echo "开始小文件读写测试..."
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# 写入小文件并测量时间
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start_time=$(date +%s.%N)
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for i in $(seq 1 3); do
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dd if=/dev/zero of="${TEST_DIR}/small_test_file_$i" bs=1M count=1 conv=fdatasync
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done
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end_time=$(date +%s.%N)
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write_time=$(echo "$end_time - $start_time" | bc)
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write_speed=$(echo "scale=2; 1024 / $write_time" | bc)
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echo "小文件写入速度: ${write_speed} MB/s"
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# 读取小文件并测量时间
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start_time=$(date +%s.%N)
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for i in $(seq 1 3); do
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dd if="${TEST_DIR}/small_test_file_$i" of=/dev/null bs=1M
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done
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end_time=$(date +%s.%N)
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read_time=$(echo "$end_time - $start_time" | bc)
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read_speed=$(echo "scale=2; 1024 / $read_time" | bc)
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echo "小文件读取速度: ${read_speed} MB/s"
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# 清理小文件
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rm -f "${TEST_DIR}/small_test_file_"*
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echo "测试完成!"
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