Fokko commented on code in PR #3559:
URL: https://github.com/apache/parquet-java/pull/3559#discussion_r3934804701
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parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetFileReader.java:
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@@ -2368,6 +2384,10 @@ public void readFromVectoredRange(ParquetFileRange
currRange, ChunkListBuilder b
LOG.error(error, e);
throw new IOException(error, e);
}
+ // Release the vectored-read buffer back to the allocator when the row
group is closed.
+ // Requires fs.file.checksum.verify=false so the returned buffer is the
allocator buffer
+ // rather than a sliced subset (see Hadoop's fs.file.checksum.verify
docs).
+ builder.addBuffersToRelease(Collections.singletonList(buffer));
Review Comment:
Thanks, this is a great one. I've moved it up
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