reele commented on code in PR #17372:
URL:
https://github.com/apache/dolphinscheduler/pull/17372#discussion_r2235476146
##########
dolphinscheduler-worker/src/main/java/org/apache/dolphinscheduler/server/worker/executor/PhysicalTaskEngineDelegator.java:
##########
@@ -76,9 +78,14 @@ public boolean reassignWorkflowInstanceHost(final
TaskExecutorReassignMasterRequ
final int taskInstanceId =
taskExecutorReassignMasterRequest.getTaskInstanceId();
final String workflowHost =
taskExecutorReassignMasterRequest.getWorkflowHost();
// todo: Is this reassign can make sure there is no concurrent problem?
- physicalTaskExecutorRepository.get(taskInstanceId).ifPresent(
- taskExecutor ->
taskExecutor.getTaskExecutionContext().setWorkflowInstanceHost(workflowHost));
- return
physicalTaskExecutorEventReporter.reassignWorkflowInstanceHost(taskInstanceId,
workflowHost);
+ final Optional<ITaskExecutor> taskExecutorOptional =
physicalTaskExecutorRepository.get(taskInstanceId);
+
physicalTaskExecutorEventReporter.reassignWorkflowInstanceHost(taskInstanceId,
workflowHost);
+ if (taskExecutorOptional.isPresent()) {
+ final ITaskExecutor taskExecutor = taskExecutorOptional.get();
+
taskExecutor.getTaskExecutionContext().setWorkflowInstanceHost(workflowHost);
+ return true;
+ }
+ return false;
Review Comment:
get host address from TaskExecutor may not work, TaskExecutor's lifecycle
and event's lifecycle are not completely overlapping, TaskExecutor will removed
in onTaskExecutorFinalizeLifecycleEvent before the all events be reported.
but the channel‘s lifecycle is similar to event, it still needs to lock.
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