Manage shared memory

These topics inform you how to perform the following tasks, which concern managing shared memory:

  • Setting the shared-memory configuration parameters
  • Setting up shared memory
  • Turning residency on or off for the resident portion of the database server shared memory
  • Adding a segment to the virtual portion of shared memory
  • Reserving memory for critical activities
  • Maintaining a targeted amount of memory in applications with memory limitations
  • Monitoring shared memory

These topics do not cover the DS_TOTAL_MEMORY configuration parameter. This parameter places a ceiling on the allocation of memory for decision-support queries. For information about this parameter, see your IBM® Informix® Performance Guide.