anishek commented on a change in pull request #549: HIVE-21314 : Hive Replication not retaining the owner in the replicated table URL: https://github.com/apache/hive/pull/549#discussion_r259808530
########## File path: ql/src/java/org/apache/hadoop/hive/ql/exec/repl/ExternalTableCopyTaskBuilder.java ########## @@ -54,14 +59,53 @@ List<Task<? extends Serializable>> tasks(TaskTracker tracker) { List<Task<? extends Serializable>> tasks = new ArrayList<>(); Iterator<DirCopyWork> itr = work.getPathsToCopyIterator(); - while (tracker.canAddMoreTasks() && itr.hasNext()) { + int numTaskCanBeAdded = tracker.numTaskCanBeAdded(); + Task<? extends Serializable> barrierTask = TaskFactory.get(new DependencyCollectionWork(), conf); + while (numTaskCanBeAdded-- > 0 && itr.hasNext()) { DirCopyWork dirCopyWork = itr.next(); Task<DirCopyWork> task = TaskFactory.get(dirCopyWork, conf); tasks.add(task); - tracker.addTask(task); + barrierTask.addDependentTask(task); LOG.debug("added task for {}", dirCopyWork); } - return tasks; + + if (!tasks.isEmpty()) { + tracker.addDependentTask(barrierTask); + tracker.addTaskList(tasks); Review comment: why do we need this, all the tasks are already added as dependents to barrier task. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services