iceberg
https://github.com/apache/iceberg
Java
Apache Iceberg
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- Issues
- old metadata.json file suddenly gone, still referenced by metadata.log, metadata delete cleanup fails
- Make Spark readers function asynchronously for many small files.
- Insufficient parallelism when rewriting manifests for partitioned table
- Metadata is not committed after Kafka cluster recreation (parquiet files are written successfully)
- How Flink TableMaintenance work with the parallelism
- `CREATE OR REPLACE VIEW` preserves other dialects.
- Queries on Complex filter queries, views and filter patterns support with Iceberg SDK
- Support View Schema Mode
- Spark 4.1 incompatible: Create View
- Parquet default compression codec is still GZIP, not ZSTD
- Docs
- Java not yet supported