Ignore append locks for compaction when using concurrent locks (#16316)

* Ignore append locks for compaction when using concurrent locks

indexing-service/src/main/java/org/apache/druid/indexing/overlord/TaskLockbox.java

@@ -960,8 +960,19 @@ public class TaskLockbox
             }
 
             final int priority = lockFilter.getPriority();
-            final boolean ignoreAppendLocks =
+            final boolean isReplaceLock = TaskLockType.REPLACE.name().equals(
-                TaskLockType.REPLACE.name().equals(lockFilter.getContext().get(Tasks.TASK_LOCK_TYPE));
+                lockFilter.getContext().getOrDefault(
+                    Tasks.TASK_LOCK_TYPE,
+                    Tasks.DEFAULT_TASK_LOCK_TYPE
+                )
+            );
+            final boolean isUsingConcurrentLocks = Boolean.TRUE.equals(
+                lockFilter.getContext().getOrDefault(
+                    Tasks.USE_CONCURRENT_LOCKS,
+                    Tasks.DEFAULT_USE_CONCURRENT_LOCKS
+                )
+            );
+            final boolean ignoreAppendLocks = isUsingConcurrentLocks || isReplaceLock;
 
             running.get(datasource).forEach(
                 (startTime, startTimeLocks) -> startTimeLocks.forEach(

indexing-service/src/test/java/org/apache/druid/indexing/overlord/TaskLockboxTest.java

@@ -1325,6 +1325,34 @@ public class TaskLockboxTest
     Assert.assertTrue(conflictingIntervals.isEmpty());
   }
 
+  @Test
+  public void testGetLockedIntervalsForLowerPriorityUseConcurrentLocks()
+  {
+    final Task task = NoopTask.ofPriority(50);
+    lockbox.add(task);
+    taskStorage.insert(task, TaskStatus.running(task.getId()));
+    tryTimeChunkLock(
+        TaskLockType.APPEND,
+        task,
+        Intervals.of("2017/2018")
+    );
+
+    LockFilterPolicy requestForReplaceLowerPriorityLock = new LockFilterPolicy(
+        task.getDataSource(),
+        25,
+        ImmutableMap.of(
+            Tasks.TASK_LOCK_TYPE,
+            TaskLockType.EXCLUSIVE.name(),
+            Tasks.USE_CONCURRENT_LOCKS,
+            true
+        )
+    );
+
+    Map<String, List<Interval>> conflictingIntervals =
+        lockbox.getLockedIntervals(ImmutableList.of(requestForReplaceLowerPriorityLock));
+    Assert.assertTrue(conflictingIntervals.isEmpty());
+  }
+
 
   @Test
   public void testExclusiveLockCompatibility()