xintongsong commented on a change in pull request #9693: [FLINK-13984] Separate
on-heap and off-heap managed memory pools
URL: https://github.com/apache/flink/pull/9693#discussion_r334223099
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/memory/MemoryManager.java
##########
@@ -402,29 +386,25 @@ public void releaseAll(Object owner) {
return;
}
- // -------------------- BEGIN CRITICAL SECTION
-------------------
- synchronized (lock) {
- if (isShutDown) {
- throw new IllegalStateException("Memory manager
has been shut down.");
- }
+ Preconditions.checkState(!isShutDown, "Memory manager has been
shut down.");
- // get all segments
- final Set<MemorySegment> segments =
allocatedSegments.remove(owner);
+ // get all segments
+ Set<MemorySegment> segments = allocatedSegments.remove(owner);
- // all segments may have been freed previously
individually
- if (segments == null || segments.isEmpty()) {
- return;
- }
-
- // free each segment
- for (MemorySegment seg : segments) {
- seg.free();
- }
- numNonAllocatedPages += segments.size();
+ // all segments may have been freed previously individually
+ if (segments == null || segments.isEmpty()) {
+ return;
+ }
- segments.clear();
+ // free each segment
+ EnumMap<MemoryType, Long> releasedMemory = new
EnumMap<>(MemoryType.class);
+ for (MemorySegment segment : segments) {
+ segment.free();
Review comment:
True, this comment is out of sync.
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