Github user uce commented on a diff in the pull request: https://github.com/apache/flink/pull/640#discussion_r31130488 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/ResultPartitionManager.java --- @@ -40,9 +44,18 @@ private static final Logger LOG = LoggerFactory.getLogger(ResultPartitionManager.class); + /** + * Table of running/finished ResultPartitions with corresponding IDs + */ public final Table<ExecutionAttemptID, IntermediateResultPartitionID, ResultPartition> registeredPartitions = HashBasedTable.create(); + /** + * Cached ResultPartitions which are used to resume/recover from --- End diff -- There are two unused classes LRUCache and LRUCacheMap, which can be removed. I think this solution is fine. :)
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