samarthjain commented on a change in pull request #12008:
URL: https://github.com/apache/druid/pull/12008#discussion_r761445607
##########
File path:
extensions-core/kafka-indexing-service/src/main/java/org/apache/druid/indexing/kafka/IncrementalPublishingKafkaIndexTaskRunner.java
##########
@@ -126,38 +126,56 @@ private void possiblyResetOffsetsOrWait(
TaskToolbox taskToolbox
) throws InterruptedException, IOException
{
- final Map<TopicPartition, Long> resetPartitions = new HashMap<>();
- boolean doReset = false;
+ final Map<TopicPartition, Long> newOffsetInMetadata = new HashMap<>();
+
if (task.getTuningConfig().isResetOffsetAutomatically()) {
for (Map.Entry<TopicPartition, Long> outOfRangePartition :
outOfRangePartitions.entrySet()) {
final TopicPartition topicPartition = outOfRangePartition.getKey();
- final long nextOffset = outOfRangePartition.getValue();
- // seek to the beginning to get the least available offset
+ final long outOfRangeOffset = outOfRangePartition.getValue();
+
StreamPartition<Integer> streamPartition = StreamPartition.of(
topicPartition.topic(),
topicPartition.partition()
);
- final Long leastAvailableOffset =
recordSupplier.getEarliestSequenceNumber(streamPartition);
- if (leastAvailableOffset == null) {
- throw new ISE(
- "got null sequence number for partition[%s] when fetching from
kafka!",
- topicPartition.partition()
- );
+
+ final Long earliestAvailableOffset =
recordSupplier.getEarliestSequenceNumber(streamPartition);
+ if (earliestAvailableOffset == null) {
+ throw new ISE("got null earliest sequence number for partition[%s]
when fetching from kafka!",
+ topicPartition.partition());
}
- // reset the seek
- recordSupplier.seek(streamPartition, nextOffset);
- // Reset consumer offset if resetOffsetAutomatically is set to true
- // and the current message offset in the kafka partition is more than
the
- // next message offset that we are trying to fetch
- if (leastAvailableOffset > nextOffset) {
- doReset = true;
- resetPartitions.put(topicPartition, nextOffset);
+
+ if (outOfRangeOffset < earliestAvailableOffset) {
Review comment:
Thanks for the clarification, @gianm!
@FrankChen021 - I would probably get rid of the log line I mentioned then
and have the else block as it is (but moved as else condition for `if
(outOfRangeOffset < earliestAvailableOffset)`
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