What does the Fast_cleanup Option For E*Gate 4.5.3 Standard IQs do? (Doc ID 1364549.1)

Last updated on NOVEMBER 02, 2016

Applies to:

Sun e*Gate - Version: 4.5.3 and later   [Release: 4.5 and later ]
Information in this document applies to any platform.

Goal

The IQ reference guide has the following description:
fast_cleanup: FALSE (the default) has no effect. TRUE has the following effects when auto recovery is enabled:
  • The IQ Manager does not update the log files during cleanup; however, Events deleted during cleanup are still removed permanently.
  • Events journaled by the IQ manager during cleanup are not shown as journaled after a recovery is performed by the IQ Manager to restore the IQ. However, even though the Events appear as unjournaled, they are not sent by the IQ Manager to subscribers, because they have already met the “to be journaled” criterion. To journal these Events after a recovery, you need to schedule the IQ Manager to perform a cleanup on the IQ.

  1. What does "to journal these Events after a recovery, you need to schedule the IQ Manager to perform a cleanup on the IQ" mean? If we look in the IQ Administrator at the IQs, will they show messages that have actually been journaled as unjournaled?
  2. Does Oracle recommend turning on the fast_cleanup option and what is the impact if it is set to TRUE?


Solution

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