Distributed Action Handler Performance

The Distributed Action Handler distributes actions between child servers. It also performs some additional processing on actions. For example, in mirror mode it can apply templates, and recognize and distribute administrative actions to all child servers.

Depending on your system, you can use Distributed Action Handler modes to reduce the amount of additional processing that Distributed Action Handler performs, which can improve the performance of the system.

Fast Mirror Mode

In fast mirror mode, Distributed Action Handler distributes actions between mirrored child servers but does not perform any additional processing to actions. You can use this option to increase the performance of your IDOL system in mirror mode when you use Distributed Action Handler only for requesting information from child servers.

When running the Distributed Action Handler in fast mirror mode:

Simple Combinator Mode

In simple combinator mode, Distributed Action Handler does not use virtual databases to distribute and combine actions in non-mirror mode. Distributed Action Handler forwards the DatabaseMatch action parameter to child servers, and combines results from all child servers.

This option reduces the amount of processing that Distributed Action Handler must perform to distribute and combine virtual database.


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