Francois Visconte created KAFKA-16895:
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Summary: RemoteCopyLagSegments metric taking active segment into
account
Key: KAFKA-16895
URL: https://issues.apache.org/jira/browse/KAFKA-16895
Project: Kafka
Issue Type: Bug
Components: Tiered-Storage
Affects Versions: 3.7.0, 3.7.1
Reporter: Francois Visconte
The RemoteCopyLagSegment is off by 1 because it also includes the active
segment into account while the RemoteCopyLagBytes does substract the size of
active segment:
{code:java}
long bytesLag = log.onlyLocalLogSegmentsSize() - log.activeSegment().size();
String topic = topicIdPartition.topic();
int partition = topicIdPartition.partition();
long segmentsLag = log.onlyLocalLogSegmentsCount();
brokerTopicStats.recordRemoteCopyLagBytes(topic, partition, bytesLag);
brokerTopicStats.recordRemoteCopyLagSegments(topic, partition, segmentsLag);
{code}
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