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[KAFKA-192] Change latency calculations in kafka fork #2

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Merged
merged 2 commits into from
Aug 26, 2025
Merged

[KAFKA-192] Change latency calculations in kafka fork #2

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[KAFKA-192] Change latency calculations in kafka fork
Aug 26, 2025
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Aug 26, 2025
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13 changes: 12 additions & 1 deletion connect/mirror/src/main/java/org/apache/kafka/connect/mirror/MirrorSourceTask.java
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.nio.charset.StandardCharsets;
import java.time.Duration;
import java.util.ArrayList;
import java.util.List;
Expand Down Expand Up @@ -176,7 +177,17 @@ public void commitRecord(SourceRecord record, RecordMetadata metadata) {
return;
}
TopicPartition topicPartition = new TopicPartition(record.topic(), record.kafkaPartition());
long latency = System.currentTimeMillis() - record.timestamp();
long correctedTimestamp = record.timestamp();
Header eventProxiedTimeHeader = (Header) record.headers().lastWithName("eventProxiedTime"); // TODO: change to standardized header name when available
if (eventProxiedTimeHeader != null) {
String headerString = new String(eventProxiedTimeHeader.value(), StandardCharsets.UTF_8);
try {
correctedTimestamp = Long.parseLong(headerString);
} catch (NumberFormatException e) {
log.error("Error parsing eventProxiedTime header value '{}' -- using record timestamp instead.", headerString, e);
}
}
long latency = System.currentTimeMillis() - correctedTimestamp;
metrics.countRecord(topicPartition);
metrics.replicationLatency(topicPartition, latency);
// Queue offset syncs only when offsetWriter is available
Expand Down