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[core] Fix parquet performance regression in reader init #6802

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Merged
JingsongLi merged 1 commit into from
Dec 14, 2025
Merged

[core] Fix parquet performance regression in reader init #6802

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4 changes: 3 additions & 1 deletion paimon-format/src/main/java/org/apache/paimon/format/parquet/ParquetReaderFactory.java
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@
import org.apache.paimon.utils.Preconditions;

import org.apache.parquet.ParquetReadOptions;
import org.apache.parquet.conf.PlainParquetConfiguration;
import org.apache.parquet.filter2.compat.FilterCompat;
import org.apache.parquet.hadoop.ParquetFileReader;
import org.apache.parquet.hadoop.ParquetInputFormat;
Expand Down Expand Up @@ -101,7 +102,8 @@ public ParquetReaderFactory(
public FileRecordReader<InternalRow> createReader(FormatReaderFactory.Context context)
throws IOException {
ParquetReadOptions.Builder builder =
ParquetReadOptions.builder().withRange(0, context.fileSize());
ParquetReadOptions.builder(new PlainParquetConfiguration())
.withRange(0, context.fileSize());
setReadOptions(builder);

ParquetFileReader reader =
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3 changes: 2 additions & 1 deletion paimon-format/src/main/java/org/apache/paimon/format/parquet/ParquetUtil.java
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@

import org.apache.parquet.ParquetReadOptions;
import org.apache.parquet.column.statistics.Statistics;
import org.apache.parquet.conf.PlainParquetConfiguration;
import org.apache.parquet.hadoop.ParquetFileReader;
import org.apache.parquet.hadoop.metadata.BlockMetaData;
import org.apache.parquet.hadoop.metadata.ColumnChunkMetaData;
Expand Down Expand Up @@ -83,7 +84,7 @@ public static ParquetFileReader getParquetReader(FileIO fileIO, Path path, long
throws IOException {
return new ParquetFileReader(
ParquetInputFile.fromPath(fileIO, path, length),
ParquetReadOptions.builder().build(),
ParquetReadOptions.builder(new PlainParquetConfiguration()).build(),
null);
}

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