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⚡ Performance Tuning

Optimizing Linux for production workloads.

🧠 CPU Optimization

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top
htop
mpstat -P ALL 1

Tune scheduler:

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kernel.sched_migration_cost_ns
kernel.sched_autogroup_enabled

🧠 Memory Optimization

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free -h
vmstat 1

Tune:

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vm.swappiness = 10
vm.vfs_cache_pressure = 50

💾 Disk & I/O

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iostat -xz 1
iotop

Tune:

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noop / deadline / mq-deadline

🌐 Network Optimization

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net.core.somaxconn = 1024
net.ipv4.tcp_fin_timeout = 15
net.ipv4.tcp_tw_reuse = 1

🚨 Monitoring Tools

  • htop
  • iostat
  • vmstat
  • sar
  • perf
  • bcc-tools