aishikbh commented on code in PR #12220:
URL: https://github.com/apache/pinot/pull/12220#discussion_r1452466554
##########
pinot-core/src/main/java/org/apache/pinot/core/segment/processing/mapper/SegmentMapper.java:
##########
@@ -141,28 +146,43 @@ private Map<String, GenericRowFileManager> doMap()
RecordReaderFactory.getRecordReader(recordReaderFileConfig._fileFormat,
recordReaderFileConfig._dataFile,
recordReaderFileConfig._fieldsToRead,
recordReaderFileConfig._recordReaderConfig);
mapAndTransformRow(recordReader, reuse, observer, count, totalCount);
+ _recordReaderFileConfigs.get(i)._recordReader = recordReader;
} finally {
- if (recordReader != null) {
+ if (recordReader != null && !recordReader.hasNext()) {
recordReader.close();
}
}
} else {
+ if (!recordReader.hasNext()) {
+ LOGGER.info("Skipping record reader as it is already processed at
index: {}", i);
+ count++;
+ continue;
+ }
mapAndTransformRow(recordReader, reuse, observer, count, totalCount);
+ _recordReaderFileConfigs.get(i)._recordReader = recordReader;
+ }
+ if (!_adaptiveSizeBasedWriter.canWrite()) {
Review Comment:
For the first part I have moved the logic.
We are already logging the number of record readers already processed, total
count, number of bytes written when we break off etc. in `mapAndTransformRow`.
It looks something like this:
<img width="706" alt="Screenshot 2024-01-11 at 11 40 32 PM"
src="https://github.com/apache/pinot/assets/15700987/801ef796-8a2d-4d30-84a3-01a720063a19";>
Do we need any more?
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