aishikbh commented on code in PR #12220:
URL: https://github.com/apache/pinot/pull/12220#discussion_r1457854321
##########
pinot-core/src/main/java/org/apache/pinot/core/segment/processing/mapper/SegmentMapper.java:
##########
@@ -129,40 +135,30 @@ public Map<String, GenericRowFileManager> map()
private Map<String, GenericRowFileManager> doMap()
throws Exception {
Consumer<Object> observer = _processorConfig.getProgressObserver();
- int totalCount = _recordReaderFileConfigs.size();
- int count = 1;
+ int count = _totalNumRecordReaders - _recordReaderFileConfigs.size() + 1;
GenericRow reuse = new GenericRow();
for (RecordReaderFileConfig recordReaderFileConfig :
_recordReaderFileConfigs) {
- RecordReader recordReader = recordReaderFileConfig._recordReader;
- if (recordReader == null) {
- // We create and use the recordReader here.
- try {
- recordReader =
-
RecordReaderFactory.getRecordReader(recordReaderFileConfig._fileFormat,
recordReaderFileConfig._dataFile,
- recordReaderFileConfig._fieldsToRead,
recordReaderFileConfig._recordReaderConfig);
- mapAndTransformRow(recordReader, reuse, observer, count, totalCount);
- } finally {
- if (recordReader != null) {
- recordReader.close();
- }
- }
- } else {
- mapAndTransformRow(recordReader, reuse, observer, count, totalCount);
+ RecordReader recordReader = recordReaderFileConfig.getRecordReader();
+ boolean shouldMapperTerminate = mapAndTransformRow(recordReader, reuse,
observer, count, _totalNumRecordReaders);
+
+ // Terminate the map phase if intermediate file size has crossed the
threshold.
+ if (shouldMapperTerminate) {
Review Comment:
makes sense! Thanks
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