Yunyung commented on code in PR #20405:
URL: https://github.com/apache/kafka/pull/20405#discussion_r2300269437
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core/src/test/scala/integration/kafka/server/DynamicBrokerReconfigurationTest.scala:
##########
@@ -1568,6 +1589,7 @@ class TestMetricsReporter extends MetricsReporter with
Reconfigurable with Close
@volatile var closeCount = 0
@volatile var clusterUpdateCount = 0
@volatile var pollingInterval: Int = -1
+ @volatile var numFetchers: Int = 1
Review Comment:
Maybe changing it to = 0 makes it clearer that it will change
statically/dynamically.
##########
core/src/test/scala/integration/kafka/server/DynamicBrokerReconfigurationTest.scala:
##########
@@ -1599,31 +1622,37 @@ class TestMetricsReporter extends MetricsReporter with
Reconfigurable with Close
}
override def reconfigurableConfigs(): util.Set[String] = {
- util.Set.of(PollingIntervalProp)
+ util.Set.of(PollingIntervalProp,
ReplicationConfigs.NUM_REPLICA_FETCHERS_CONFIG)
}
override def validateReconfiguration(configs: util.Map[String, _]): Unit = {
val pollingInterval = configs.get(PollingIntervalProp).toString.toInt
if (pollingInterval <= 0)
throw new ConfigException(s"Invalid polling interval $pollingInterval")
+
+ val numFetchers =
configs.get(ReplicationConfigs.NUM_REPLICA_FETCHERS_CONFIG).toString.toInt
+ if (numFetchers <= 0)
+ throw new ConfigException(s"Invalid num.replica.fetchers $numFetchers")
}
override def reconfigure(configs: util.Map[String, _]): Unit = {
reconfigureCount += 1
pollingInterval = configs.get(PollingIntervalProp).toString.toInt
+ numFetchers =
configs.get(ReplicationConfigs.NUM_REPLICA_FETCHERS_CONFIG).toString.toInt
}
override def close(): Unit = {
closeCount += 1
}
- def verifyState(reconfigureCount: Int, deleteCount: Int, pollingInterval:
Int): Unit = {
+ def verifyState(reconfigureCount: Int, deleteCount: Int, pollingInterval:
Int, numFetcher: Int = 1): Unit = {
Review Comment:
```suggestion
def verifyState(reconfigureCount: Int, deleteCount: Int, pollingInterval:
Int, numFetcher: Int): Unit = {
```
##########
core/src/test/scala/integration/kafka/server/DynamicBrokerReconfigurationTest.scala:
##########
@@ -947,6 +947,7 @@ class DynamicBrokerReconfigurationTest extends
QuorumTestHarness with SaslSetup
// Add a new metrics reporter
val newProps = new Properties
newProps.put(TestMetricsReporter.PollingIntervalProp, "100")
+ newProps.put(ReplicationConfigs.NUM_REPLICA_FETCHERS_CONFIG, "1")
Review Comment:
Should we change all verifyState calls in this method to numFetcher = 1?
It's easier to understand, IMO.
Like reporters.foreach(_.verifyState(reconfigureCount = 0, deleteCount = 0,
pollingInterval = 100, **numFetcher=1**))
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