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The PATROL Knowledge Module for UNIX and Linux monitors and manages memory through two applications: MEMORY and SWAP.

  1. The MEMORY application monitors such memory activity as
    • Number of active virtual pages
    • Number of pages anticipated
    • Number of pages freed per second
    • Number of pages in and out per second
    • Number of pages scanned per second
  2. The MEMORY application reports detailed memory utilization.
  3. The MEMORY application also manages shared-memory segments and semaphores.
  4. The SWAP application monitors virtual memory. It provides the following information for the entire system and for each swap area.
    • Amount of disk space reserved for swap
    • Amount of swap space used
    • Percentage of swap space used

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