ChenSammi commented on code in PR #8827:
URL: https://github.com/apache/ozone/pull/8827#discussion_r2259470068
##########
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/commandhandler/DeleteBlocksCommandHandler.java:
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@@ -621,26 +621,34 @@ private void updateMetaData(KeyValueContainerData
containerData,
Table<String, Long> metadataTable =
containerDB.getStore().getMetadataTable();
- // In memory is updated only when existing delete transactionID is
- // greater.
- if (delTX.getTxID() > containerData.getDeleteTransactionId()) {
- // Update in DB pending delete key count and delete transaction ID.
+ // Synchronize on containerData to prevent concurrent updates
+ synchronized (containerData) {
+ // In memory is updated only when existing delete transactionID is
+ // greater.
+ if (delTX.getTxID() > containerData.getDeleteTransactionId()) {
+ // Update in DB pending delete key count and delete transaction ID.
+ metadataTable
+ .putWithBatch(batchOperation,
+ containerData.getLatestDeleteTxnKey(), delTX.getTxID());
+ }
+
+ long pendingDeleteBlocks =
+ containerData.getNumPendingDeletionBlocks() + newDeletionBlocks;
metadataTable
.putWithBatch(batchOperation,
- containerData.getLatestDeleteTxnKey(), delTX.getTxID());
+ containerData.getPendingDeleteBlockCountKey(),
+ pendingDeleteBlocks);
+
+ // update pending deletion blocks count and delete transaction ID in
+ // in-memory container status
+ long pendingBytes = delTX.getTotalBlockSize();
+ containerData.updateDeleteTransactionId(delTX.getTxID());
Review Comment:
updateDeleteTransactionId should only be called if
delTX.getTxID() > containerData.getDeleteTransactionId()
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