Java High-Performance Architecture

Sep 27, 2015 · Operations

How to Diagnose System Performance Issues Using OS Metrics and Tools

When system performance degrades, start by examining OS reports—CPU usage, memory consumption, disk and network I/O, and connection counts—using tools like Windows PerfMon, Linux vmstat, iostat, top, iftop, or Wireshark to pinpoint bottlenecks before diving into code.