wcarlson5 commented on a change in pull request #10544:
URL: https://github.com/apache/kafka/pull/10544#discussion_r614398757
##########
File path:
streams/src/main/java/org/apache/kafka/streams/processor/internals/TaskManager.java
##########
@@ -1198,7 +1210,7 @@ int process(final int maxNumRecords, final Time time) {
task.recordProcessBatchTime(now - then);
}
}
-
+ reprioritizeTasks();
Review comment:
if processing succeeds
##########
File path:
streams/src/main/java/org/apache/kafka/streams/processor/internals/Tasks.java
##########
@@ -43,6 +43,8 @@
private final Map<TaskId, Task> allTasksPerId = new TreeMap<>();
private final Map<TaskId, Task> readOnlyTasksPerId =
Collections.unmodifiableMap(allTasksPerId);
private final Collection<Task> readOnlyTasks =
Collections.unmodifiableCollection(allTasksPerId.values());
+ private final Collection<Task> misbehavingTasks = new HashSet<>();
+ private final Collection<Task> taskJail = new HashSet<>();
Review comment:
working title
##########
File path: streams/src/main/java/org/apache/kafka/streams/KafkaStreams.java
##########
@@ -471,6 +472,10 @@ private void replaceStreamThread(final Throwable
throwable) {
private void handleStreamsUncaughtException(final Throwable throwable,
final
StreamsUncaughtExceptionHandler streamsUncaughtExceptionHandler) {
+ if (throwable instanceof NamedTopologyStreamsException) {
+ String name = ((NamedTopologyStreamsException)
throwable).getTopologyName();
+ ((StreamThread)
Thread.currentThread()).deprioritizeNamedTopology(name);
Review comment:
The thread is guaranteed to be handled on the dying thread. Though we
might want to call this on the new thread
##########
File path: streams/src/main/java/org/apache/kafka/streams/KafkaStreams.java
##########
@@ -471,6 +472,10 @@ private void replaceStreamThread(final Throwable
throwable) {
private void handleStreamsUncaughtException(final Throwable throwable,
final
StreamsUncaughtExceptionHandler streamsUncaughtExceptionHandler) {
+ if (throwable instanceof NamedTopologyStreamsException) {
Review comment:
we should consider exceptions that were not StreamExceptions as well I
think
##########
File path:
streams/src/main/java/org/apache/kafka/streams/processor/internals/Tasks.java
##########
@@ -304,4 +310,26 @@ void addTask(final Task task) {
}
allTasksPerId.put(task.id(), task);
}
+
+ public void deprioritizeNamedTopology(String name) {
+ for (Task task: readOnlyTasks) {
+ if (task.id().namedTopology().equals(name)){
+ misbehavingTasks.add(task);
+ }
+ }
+ for (Task task: misbehavingTasks) {
Review comment:
I think suspending will work. however I am not sure it will survive
thread restarts. I may need to store the topology names that are in each state
to repopulate each of these lists in new threads
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