Github user dongjoon-hyun commented on the issue:
https://github.com/apache/spark/pull/16281
Thank you for review, @srowen . I see.
First of all, I'll check the case of the mixed parquet jar files in the
class path.
Second, among [83
issues](https://issues.apache.org/jira/issues/?jql=project%20%3D%20PARQUET%20AND%20status%20%3D%20Resolved%20AND%20resolution%20%3D%20Fixed%20AND%20fixVersion%20%3D%201.9.0)
fixed by Parquet 1.9.0, the following seems to be notable.
- PARQUET-99: Large rows cause unnecessary OOM exceptions
- PARQUET-225: INT64 support for Delta Encoding
- PARQUET-341: Improve write performance with wide schema sparse data
- PARQUET-353: Compressors not getting recycled while writing parquet
files, causing memory leak
- PARQUET-363: Cannot construct empty MessageType for
ReadContext.requestedSchema
- PARQUET-415: ByteBufferBackedBinary serialization is broken
- PARQUET-511: Integer overflow on counting values in column
- PARQUET-569: ParquetMetadataConverter offset filter is broken
- PARQUET-571: Fix potential leak in ParquetFileReader.close()
- PARQUET-623: DeltaByteArrayReader has incorrect skip behaviour
- PARQUET-645: DictionaryFilter incorrectly handles null
@rdblue , could you give us some advice for compatibility issue between
Parquet 1.8 and 1.9?
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