Github user GJL commented on a diff in the pull request:
https://github.com/apache/flink/pull/6386#discussion_r204394265
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/slotpool/SlotSharingManager.java
---
@@ -384,6 +393,8 @@ private MultiTaskSlot(
MultiTaskSlot allocateMultiTaskSlot(SlotRequestId
slotRequestId, AbstractID groupId) {
Preconditions.checkState(!super.contains(groupId));
+ LOG.debug("Create nested multi task slot [{}] in parent
multi task slot [{}] for group {}.", slotRequestId, getSlotRequestId(),
groupId);
--- End diff --
add `[]`
---