divijvaidya commented on code in PR #12228:
URL: https://github.com/apache/kafka/pull/12228#discussion_r1159588380


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clients/src/main/java/org/apache/kafka/common/record/MemoryRecords.java:
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@@ -679,12 +678,13 @@ public static MemoryRecords withRecords(byte magic, long 
initialOffset, Compress
         long logAppendTime = RecordBatch.NO_TIMESTAMP;
         if (timestampType == TimestampType.LOG_APPEND_TIME)
             logAppendTime = System.currentTimeMillis();
-        MemoryRecordsBuilder builder = new MemoryRecordsBuilder(bufferStream, 
magic, compressionType, timestampType,
+        try (final MemoryRecordsBuilder builder = new 
MemoryRecordsBuilder(bufferStream, magic, compressionType, timestampType,

Review Comment:
   Note to reviewer(s):
   
   `builder.build()` calls the `MemoryRecordsBuilder#close()` method, hence, 
this is not a leak in happy cases. But it will not call `close()` in case 
exception occurs at `builder.append()`, hence, MemoryRecordsBuilder will not be 
closed when an exception is thrown.



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