Jackie-Jiang commented on code in PR #12808:
URL: https://github.com/apache/pinot/pull/12808#discussion_r1558289310
##########
pinot-segment-spi/src/main/java/org/apache/pinot/segment/spi/memory/unsafe/DirectMemory.java:
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@@ -56,8 +56,12 @@ public void flush() {
@Override
public synchronized void close() {
if (!_closed) {
- Unsafer.UNSAFE.freeMemory(_address);
- _closed = true;
+ synchronized (this) {
Review Comment:
This is not necessary. The whole `close()` is synchronized
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