Hello – I’m wondering if the following code is safe. Are there any potential
issues with sharing a partitioner or StatsListener in this manner?:
FeatureGeneration featureGenOne =
dag.addOperator("FeatureGenerator I", FeatureGeneration.class);
// setup dynamic partitioning for the FeatureGeneration
StatelessThroughputBasedPartitioner<FeatureGeneration>
featureGeneratorPartitioner =
new StatelessThroughputBasedPartitioner<FeatureGeneration>();
featureGeneratorPartitioner.setMaximumEvents(1000);
featureGeneratorPartitioner.setMinimumEvents(100);
featureGeneratorPartitioner.setCooldownMillis(10000);
featureGeneratorPartitioner.setInitialPartitionCount(16);
dag.setAttribute(featureGenOne, Context.OperatorContext.PARTITIONER,
featureGeneratorPartitioner);
Collection<StatsListener> featureGeneratorListeners = new
ArrayList<StatsListener>();
featureGeneratorListeners.add(featureGeneratorPartitioner);
dag.setAttribute(featureGenOne, Context.OperatorContext.STATS_LISTENERS,
featureGeneratorListeners);
FeatureGeneration featureGenTwo =
dag.addOperator("FeatureGenerator II", FeatureGeneration.class);
// setup dynamic partitioning for the FeatureGeneration
dag.setAttribute(featureGenTwo, Context.OperatorContext.PARTITIONER,
featureGeneratorPartitioner)
dag.setAttribute(featureGenTwo, Context.OperatorContext.STATS_LISTENERS,
featureGeneratorListeners);
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