ArafatKhan2198 commented on code in PR #6508:
URL: https://github.com/apache/ozone/pull/6508#discussion_r1567718645
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hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/fs/CachingSpaceUsageSource.java:
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@@ -94,7 +95,16 @@ public void incrementUsedSpace(long usedSpace) {
}
public void decrementUsedSpace(long reclaimedSpace) {
- cachedValue.addAndGet(-1 * reclaimedSpace);
+ long current = cachedValue.get();
+ long newValue = current - reclaimedSpace;
+ if (newValue < 0) {
+ LOG.warn(
+ "Attempted to decrement used space to a negative value. Current: {},
Decrement: {}",
+ current, reclaimedSpace);
+ cachedValue.set(current); // Retain the previous value
+ } else {
+ cachedValue.set(newValue);
+ }
Review Comment:
Thanks for the idea, I have made the required changes
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