This documentation is for WSO2 Enterprise Integrator version 6.5.0 . View documentation for the latest release in the 6.x.x family and the latest release in the 7.x.x family.

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The message sampling processor consumes messages in a message store and sends them to a configured sequence. This process happens in a preconfigured interval. This message processor does not ensure reliable messaging.

Message sampling processor parameters

Following are the additional parameters you can set when adding a message sampling processor:

Processor State ( (true) or Deactivate (false)No. The default is Activate (true).
Sampling Interval (interval)

Interval in milliseconds in which processor consumes messages

No. The default value is 1000.

Sampling Concurrency (concurrency)

The number of messages the processor consumes at a time

No. The default is value is 1.

Quartz Configuration File Path (quartz.conf)

Quartz configuration file path. This properties file contains the Quartz configuration
parameters for fine tuning the Quartz engine. More details of the configuration can be
found at


Cron Expression (cronExpression)

Cron expression to be used to configure the retry pattern



For samples illustrating how to use the message sampling processor, see:

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