yihua commented on code in PR #12843:
URL: https://github.com/apache/hudi/pull/12843#discussion_r1978416459


##########
hudi-common/src/main/java/org/apache/hudi/common/table/read/BaseHoodieFileGroupRecordBuffer.java:
##########
@@ -72,13 +72,15 @@
 import static 
org.apache.hudi.common.config.HoodieMemoryConfig.SPILLABLE_MAP_BASE_PATH;
 import static 
org.apache.hudi.common.engine.HoodieReaderContext.INTERNAL_META_PARTITION_PATH;
 import static 
org.apache.hudi.common.engine.HoodieReaderContext.INTERNAL_META_RECORD_KEY;
+import static 
org.apache.hudi.common.model.DefaultHoodieRecordPayload.DELETE_KEY;
+import static 
org.apache.hudi.common.model.DefaultHoodieRecordPayload.DELETE_MARKER;
 import static org.apache.hudi.common.model.HoodieRecord.DEFAULT_ORDERING_VALUE;
 import static 
org.apache.hudi.common.model.HoodieRecord.HOODIE_IS_DELETED_FIELD;
 import static 
org.apache.hudi.common.model.HoodieRecord.OPERATION_METADATA_FIELD;
 import static 
org.apache.hudi.common.model.HoodieRecordMerger.PAYLOAD_BASED_MERGE_STRATEGY_UUID;
 import static 
org.apache.hudi.common.table.log.block.HoodieLogBlock.HeaderMetadataType.INSTANT_TIME;
 
-public abstract class HoodieBaseFileGroupRecordBuffer<T> implements 
HoodieFileGroupRecordBuffer<T> {
+public abstract class BaseHoodieFileGroupRecordBuffer<T> implements 
HoodieFileGroupRecordBuffer<T> {

Review Comment:
   For simplicity we can name this class as `FileGroupRecordBuffer`



##########
hudi-common/src/main/java/org/apache/hudi/common/table/read/KeyBasedHoodieFileGroupRecordBuffer.java:
##########
@@ -40,15 +41,18 @@
 import java.util.Iterator;
 import java.util.Map;
 
+import static 
org.apache.hudi.common.engine.HoodieReaderContext.INTERNAL_META_PARTITION_PATH;
+import static 
org.apache.hudi.common.engine.HoodieReaderContext.INTERNAL_META_RECORD_KEY;
+
 /**
  * A buffer that is used to store log records by {@link 
org.apache.hudi.common.table.log.HoodieMergedLogRecordReader}
  * by calling the {@link #processDataBlock} and {@link #processDeleteBlock} 
methods into a record key based map.
  * The records from the base file is accessed from an iterator object. These 
records are merged when the
  * {@link #hasNext} method is called.
  */
-public class HoodieKeyBasedFileGroupRecordBuffer<T> extends 
HoodieBaseFileGroupRecordBuffer<T> {
+public class KeyBasedHoodieFileGroupRecordBuffer<T> extends 
BaseHoodieFileGroupRecordBuffer<T> {

Review Comment:
   Similarly, remove `Hoodie` in the class name for simplicity
   ```suggestion
   public class KeyBasedFileGroupRecordBuffer<T> extends 
BaseHoodieFileGroupRecordBuffer<T> {
   ```



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