Search Results for "system diagnostics"

Percona Toolkit is a collection of battle-tested command-line tools for MySQL and MariaDB that help diagnose performance, verify integrity, and perform online maintenance safely. Utilities such as pt-query-digest analyze slow logs and packet captures to surface hotspots and regressions, while pt-online-schema-change applies ALTERs with minimal blocking by copying and swapping tables. Consistency tools like pt-table-checksum and pt-table-sync detect and reconcile replication drift across...

Inxi is a powerful, full-featured command-line system information tool that aggregates hardware, software, and system metrics into a concise, human-readable format in terminal or IRC clients. Though development is archived, it remains available in many Linux/BSD repositories. Displays comprehensive system information including CPU, kernel version, uptime, memory, disk, processes, etc. Supports many command-line options (-A, -b, etc.) to customize output (audio, battery, network, etc.) Works...

The openresty-systemtap-toolkit is a collection of SystemTap-based scripts designed for real-time analysis and diagnostics of OpenResty and its core components, including NGINX, LuaJIT, and ngx_lua. It provides developers and system administrators with tools to trace performance bottlenecks, memory usage, request distribution, regex execution, Lua execution, and file I/O behaviors in production systems. The toolkit helps identify leaks, analyze TCP queues, inspect shared memory usage, and generate flame graphs for CPU and off-CPU profiling. ...