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ASF GitHub Bot commented on FLINK-2974: --------------------------------------- Github user StephanEwen commented on a diff in the pull request: https://github.com/apache/flink/pull/1341#discussion_r44529482 --- Diff: flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/StreamingRuntimeContext.java --- @@ -173,4 +174,12 @@ public void registerTimer(long time, Triggerable target) { } } } + + /** + * Returns true if checkpointing is enabled for the running job. + * @return true if checkpointing is enabled. + */ + public boolean isCheckpointingEnabled() { + return taskEnvironment.getTaskConfiguration().getBoolean(StreamConfig.CHECKPOINTING_ENABLED, false); --- End diff -- That breaks the way that config values are accessed. The right way is `new StreamConfig(taskEnvironment.getTaskConfiguration()).isCheckpointingEnabled()`. Then you also need not change the visibility of the flag. > Add periodic offset commit to Kafka Consumer if checkpointing is disabled > ------------------------------------------------------------------------- > > Key: FLINK-2974 > URL: https://issues.apache.org/jira/browse/FLINK-2974 > Project: Flink > Issue Type: Improvement > Components: Kafka Connector > Reporter: Robert Metzger > > Flink only writes the offsets from the consumer into ZK if checkpointing is > enabled. > We should have a similar feature to Kafka's autocommit in our consumer. > Issue reported by user: > http://stackoverflow.com/questions/33501574/flink-kafka-why-am-i-losing-messages -- This message was sent by Atlassian JIRA (v6.3.4#6332)