vcrfxia commented on code in PR #13243:
URL: https://github.com/apache/kafka/pull/13243#discussion_r1107595402


##########
streams/src/main/java/org/apache/kafka/streams/state/internals/RocksDBVersionedStore.java:
##########
@@ -297,6 +312,12 @@ void restoreBatch(final Collection<ConsumerRecord<byte[], 
byte[]>> records) {
         // records into memory. how high this memory amplification will be is 
very much dependent
         // on the specific workload and the value of the "segment interval" 
parameter.
         for (final ConsumerRecord<byte[], byte[]> record : records) {
+            if (record.timestamp() < streamTimeForRestore - gracePeriod) {
+                // record is older than grace period and was therefore never 
written to the store

Review Comment:
   Sounds good. Here's the ticket: 
https://issues.apache.org/jira/browse/KAFKA-14723



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