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Posted to issues@drill.apache.org by "Arina Ielchiieva (Jira)" <ji...@apache.org> on 2019/11/13 22:00:07 UTC
[jira] [Updated] (DRILL-7388) Apache Drill Kafka Storage module
fails to return results for partitions containing single offset record
[ https://issues.apache.org/jira/browse/DRILL-7388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Arina Ielchiieva updated DRILL-7388:
------------------------------------
Fix Version/s: 1.17.0
> Apache Drill Kafka Storage module fails to return results for partitions containing single offset record
> --------------------------------------------------------------------------------------------------------
>
> Key: DRILL-7388
> URL: https://issues.apache.org/jira/browse/DRILL-7388
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.16.0
> Reporter: daniel kelly
> Priority: Major
> Fix For: 1.17.0
>
>
> If a partition only contains one record - e.g.
> [topicName=myTopic, partitionId=117, startOffset=0, endOffset=1]
> no data is returned.
> I fixed this locally with the following code change in contrib/storage-kafka :-
> {code:java}
> git diff src/main/java/org/apache/drill/exec/store/kafka/KafkaRecordReader.java
> @@ -109,7 +109,7 @@ public class KafkaRecordReader extends AbstractRecordReader {
> currentMessageCount = 0;
>
> try {
> - while (currentOffset < subScanSpec.getEndOffset() - 1 && msgItr.hasNext()) {
> + while (currentOffset < subScanSpec.getEndOffset() && msgItr.hasNext()) {
> ConsumerRecord<byte[], byte[]> consumerRecord = msgItr.next();
> {code}
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