shizy818 commented on code in PR #16932:
URL: https://github.com/apache/iotdb/pull/16932#discussion_r2634334980
##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/planner/memory/NotThreadSafeMemoryReservationManager.java:
##########
@@ -91,4 +93,25 @@ public void releaseAllReservedMemory() {
bytesToBeReleased = 0;
}
}
+
+ @Override
+ public Pair<Long, Long> releaseMemoryVirtually(final long size) {
+ if (bytesToBeReserved >= size) {
+ bytesToBeReserved -= size;
+ return new Pair<>(size, 0L);
+ } else {
+ long releasedBytesInReserved = bytesToBeReserved;
+ long releasedBytesInTotal = size - bytesToBeReserved;
+ bytesToBeReserved = 0;
+ reservedBytesInTotal -= releasedBytesInTotal;
+ return new Pair<>(releasedBytesInReserved, releasedBytesInTotal);
+ }
+ }
+
+ @Override
+ public void reserveMemoryVirtually(
+ final long releasedBytesInReserved, final long releasedBytesInTotal) {
+ bytesToBeReserved += releasedBytesInReserved;
+ reservedBytesInTotal += releasedBytesInTotal;
Review Comment:
done
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