jolshan commented on code in PR #13798:
URL: https://github.com/apache/kafka/pull/13798#discussion_r1228732870
##########
core/src/main/scala/kafka/network/RequestChannel.scala:
##########
@@ -240,16 +240,17 @@ object RequestChannel extends Logging {
val responseSendTimeMs = nanosToMs(endTimeNanos -
responseDequeueTimeNanos)
val messageConversionsTimeMs = nanosToMs(messageConversionsTimeNanos)
val totalTimeMs = nanosToMs(endTimeNanos - startTimeNanos)
- val fetchMetricNames =
+ val metricNames =
if (header.apiKey == ApiKeys.FETCH) {
- val isFromFollower = body[FetchRequest].isFromFollower
- Seq(
- if (isFromFollower) RequestMetrics.followFetchMetricName
+ val specifiedMetricName =
+ if (body[FetchRequest].isFromFollower)
RequestMetrics.followFetchMetricName
else RequestMetrics.consumerFetchMetricName
- )
+ Seq(specifiedMetricName, header.apiKey.name)
+ } else if (header.apiKey == ApiKeys.ADD_PARTITIONS_TO_TXN &&
body[AddPartitionsToTxnRequest].verifyOnlyRequest()) {
+ Seq(RequestMetrics.verifyPartitionsInTxnMetricName)
+ } else {
+ Seq(header.apiKey.name)
}
- else Seq.empty
- val metricNames = fetchMetricNames :+ header.apiKey.name
Review Comment:
Note: Like fetch metrics, both verification and nonverification
addPartitionToTxn requests will count towards the rate for the request type.
This is because the metric is keyed on the apiKey, and I can't distinguish the
two. See below:
```
m.requestRate(header.apiVersion).mark()
```
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