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Kafka 0.11.0.0 (Confluent 3.3.0) added support to manipulate offsets for a consumer group via cli kafka-consumer-groups command.

List the topics to which the group is subscribed

kafka-consumer-groups --bootstrap-server <kafkahost:port> --group <group_id> --describe

Note the values under "CURRENT-OFFSET" and "LOG-END-OFFSET". "CURRENT-OFFSET" is the offset where this consumer group is currently at in each of the partitions.

Reset the consumer offset for a topic (preview)

Basics

Creating a new PHPExcel Object.

    $this->PHPExcel = new PHPExcel();

Working with sheets

Creating a new sheet:

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	* @file
	* Demo module, Basic Ajax form submit (Ajax framework).
	*/

	/**
	* Implements hook_menu().
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