[GitHub] [pinot] klsince commented on a diff in pull request #9400: set MDC so that one can route minion task logs to separate files cleanly

[GitBox <gi...@apache.org>]

klsince commented on code in PR #9400:
URL: https://github.com/apache/pinot/pull/9400#discussion_r971375414


##########
pinot-minion/src/main/java/org/apache/pinot/minion/taskfactory/TaskFactoryRegistry.java:
##########
@@ -85,6 +89,11 @@ public TaskResult run() {
                   .addPhaseTiming(taskType, MinionQueryPhase.TASK_QUEUEING, jobDequeueTimeMs - jobInQueueTimeMs,
                       TimeUnit.MILLISECONDS);
               try {
+                if (separateTaskLogs) {
+                  LOGGER.info("Routing logs to separate file for task: {}", _taskConfig.getId());
+                  // Setting MDC so that logger can route task logs to a separate file.
+                  MDC.put("taskId", _taskConfig.getId());

Review Comment:
   good question, this will run on its own thread, as you see it's in a closure to be called later
   ```
   TaskFactory taskFactory = context -> {
   ```



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