Database Queue Daemon

Note: This process is currently only used on the DB2 version of the TIBCO iProcess Engine.

This process (SWDIR\etc\swdbqd) processes RPC requests from the BG and WISMBD processes to dequeue messages from the database queue tables.

It caches a configurable number of messages from the database for each available queue. When a request to dequeue a message arrives, the process returns a message from the cache. If the cache is empty, the process first refills the cache from the database queue tables.

The number of messages to be cached is determined by the DBQD_MAX_CACHED_MESSAGES process attribute.

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