Github user hmcl commented on a diff in the pull request: https://github.com/apache/storm/pull/1679#discussion_r79576337 --- Diff: external/storm-kafka-client/src/main/java/org/apache/storm/kafka/spout/KafkaSpout.java --- @@ -479,16 +482,17 @@ public OffsetAndMetadata findNextCommitOffset() { KafkaSpoutMessageId nextCommitMsg = null; // this is a convenience variable to make it faster to create OffsetAndMetadata for (KafkaSpoutMessageId currAckedMsg : ackedMsgs) { // complexity is that of a linear scan on a TreeMap - if ((currOffset = currAckedMsg.offset()) == initialFetchOffset || currOffset == nextCommitOffset + 1) { // found the next offset to commit + if ((currOffset = currAckedMsg.offset()) == nextCommitOffset + 1) { // found the next offset to commit --- End diff -- With this change is the code going to work for a topic that does not yet have any records and/or commits in it? I recall testing the condition using initialFetchOffset was necessary. Why isn't it necessary?
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