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From StephanEwen <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-2974] Add periodic offset committer for...
Date Fri, 20 Nov 2015 12:00:53 GMT
Github user StephanEwen commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1341#discussion_r45461971
  
    --- Diff: flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumer.java
---
    @@ -567,6 +588,76 @@ public void notifyCheckpointComplete(long checkpointId) throws Exception
{
     		}
     		return partitionsToSub;
     	}
    +
    +	/**
    +	 * Thread to periodically commit the current read offset into Zookeeper.
    +	 */
    +	private static class PeriodicOffsetCommitter extends Thread {
    +		private long commitInterval;
    +		private volatile boolean running = true;
    +		private volatile Thread self;
    +		private FlinkKafkaConsumer consumer;
    +		private final Object stateUpdateLock = new Object();
    +
    +		public PeriodicOffsetCommitter(long commitInterval, FlinkKafkaConsumer consumer) {
    +			this.commitInterval = commitInterval;
    +			this.consumer = consumer;
    +			this.self = this;
    --- End diff --
    
    You don't need this field.


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