cadonna commented on code in PR #12600:
URL: https://github.com/apache/kafka/pull/12600#discussion_r968378813
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streams/src/main/java/org/apache/kafka/streams/processor/internals/Tasks.java:
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@@ -52,11 +53,8 @@ class Tasks implements TasksRegistry {
// we receive a new assignment and they are revoked from the thread.
private final Map<TaskId, Set<TopicPartition>> pendingActiveTasksToCreate
= new HashMap<>();
private final Map<TaskId, Set<TopicPartition>> pendingStandbyTasksToCreate
= new HashMap<>();
- private final Map<TaskId, Set<TopicPartition>> pendingTasksToRecycle = new
HashMap<>();
- private final Map<TaskId, Set<TopicPartition>>
pendingTasksToUpdateInputPartitions = new HashMap<>();
private final Set<Task> pendingTasksToInit = new HashSet<>();
- private final Set<TaskId> pendingTasksToCloseClean = new HashSet<>();
- private final Set<TaskId> pendingTasksToCloseDirty = new HashSet<>();
+ private final Map<TaskId, PendingUpdateAction> pendingUpdateActions = new
HashMap<>();
Review Comment:
This map ensures that each task has at most one pending update action. The
last assigned pending update action is stored in the map.
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