swagle commented on a change in pull request #1033: HDDS-1391 : Add ability in
OM to serve delta updates through an API.
URL: https://github.com/apache/hadoop/pull/1033#discussion_r305115724
##########
File path:
hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/RDBStore.java
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@@ -318,6 +320,44 @@ public CodecRegistry getCodecRegistry() {
return codecRegistry;
}
+ @Override
+ public DBUpdatesWrapper getUpdatesSince(long sequenceNumber)
+ throws DataNotFoundException {
+
+ DBUpdatesWrapper dbUpdatesWrapper = new DBUpdatesWrapper();
+ try {
+ TransactionLogIterator transactionLogIterator =
+ db.getUpdatesSince(sequenceNumber);
+
+ boolean flag = true;
+
+ while (transactionLogIterator.isValid()) {
Review comment:
Does this imply flush to sst can happen while iterating the log?
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