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TIBCO Rendezvous® 8.8.0

# Scheduler Parameters

Although any group member has the potential to become the scheduler, the software maintains exactly one scheduler at all times. Parameters guide the software to select the most suited member as scheduler.

Scheduler Weight

Scheduler weight represents the ability of a member to fulfill the role of scheduler, relative to other members of the same distributed queue. The group members use relative scheduler weight values to elect one member as the scheduler; members with higher scheduler weight take precedence. For further details, see Rank and Weight.

Heartbeat Interval

The active scheduler sends heartbeat messages at the interval you specify (in seconds). Heartbeat messages inform other members that a member is acting as the scheduler. All members of a group must specify the same scheduler heartbeat interval. To determine the correct value, see Step 4: Choose the Intervals.

Scheduler Activation Interval

In addition, all members of a group must specify the same scheduler activation interval. When the heartbeat signal from the scheduler has been silent for this interval (in seconds), the worker with the greatest scheduler weight takes its place as the new scheduler. To determine the correct value, see Step 4: Choose the Intervals.

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