sumitagrawl commented on code in PR #7031:
URL: https://github.com/apache/ozone/pull/7031#discussion_r1706407033
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hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/statemachine/background/BlockDeletingTask.java:
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@@ -424,14 +426,24 @@ private DeleteTransactionStats deleteTransactions(
List<DeletedBlocksTransaction> delBlocks, Handler handler,
Table<String, BlockData> blockDataTable, Container container)
throws IOException {
+
int blocksProcessed = 0;
int blocksDeleted = 0;
long bytesReleased = 0;
List<DeletedBlocksTransaction> deletedBlocksTxs = new ArrayList<>();
Instant startTime = Instant.now();
+ // Track deleted blocks to avoid duplicate deletion
+ Set<Long> deletedBlockSet = new HashSet<>();
+
for (DeletedBlocksTransaction entry : delBlocks) {
for (Long blkLong : entry.getLocalIDList()) {
+ // Check if the block has already been deleted
+ if (deletedBlockSet.contains(blkLong)) {
Review Comment:
IMO, not required as this do not provide any value. This can be a scenario
of retry in om where retry of key deletion used to happen and retry is not a
normal case.
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