Hang Manager preserves the database performance by resolving hangs and keeping the resources available.

• Hang Manager Architecture
  Hang Manager autonomously runs as a DIA0 task within the database.
• Optional Configuration for Hang Manager
  You can adjust the sensitivity, and control the size and number of the log files used by Hang Manager.
• Hang Manager Diagnostics and Logging
  Hang Manager autonomously resolves hangs and continuously logs the resolutions in the database alert logs and the diagnostics in the trace files.