CalvinConfluent commented on code in PR #13489:
URL: https://github.com/apache/kafka/pull/13489#discussion_r1159263750
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core/src/main/scala/kafka/cluster/Partition.scala:
##########
@@ -992,6 +1003,11 @@ class Partition(val topicPartition: TopicPartition,
}
}
+ private def isBrokerEpochIsrEligible(storedBrokerEpoch: Option[Long],
cachedBrokerEpoch: Option[Long]): Boolean = {
+ storedBrokerEpoch.isDefined && cachedBrokerEpoch.isDefined &&
+ (storedBrokerEpoch.get == -1 || (storedBrokerEpoch == cachedBrokerEpoch))
Review Comment:
In the case of _storedBrokerEpoch_ and _ cachedBrokerEpoch_ are both null,
it should return false. Without the second bracket, it will return true.
##########
core/src/main/scala/kafka/cluster/Partition.scala:
##########
@@ -992,6 +1003,11 @@ class Partition(val topicPartition: TopicPartition,
}
}
+ private def isBrokerEpochIsrEligible(storedBrokerEpoch: Option[Long],
cachedBrokerEpoch: Option[Long]): Boolean = {
+ storedBrokerEpoch.isDefined && cachedBrokerEpoch.isDefined &&
+ (storedBrokerEpoch.get == -1 || (storedBrokerEpoch == cachedBrokerEpoch))
Review Comment:
In the case of _storedBrokerEpoch_ and _cachedBrokerEpoch_ are both null, it
should return false. Without the second bracket, it will return true.
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