RTO_SERVER_RESTART and its effect on page cleaning

The RTO_SERVER_RESTART configuration parameter allows you to use recovery time objective (RTO) standards to set the amount of time, in seconds, that Informix® has to recover from a problem after you restart Informix and bring it into online or quiescent mode.

When this configuration parameter is enabled, the database server automatically adjusts the number of AIO virtual processors and cleaner threads and automatically tunes LRU flushing.

Use the AUTO_LRU_TUNING configuration parameter to specify whether automatic LRU tuning is enabled or disabled when the server starts.

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