Release 457 (6 Sep 2024)

General

• Expose additional JMX metrics about resource groups, including CPU and memory usage, limits, and scheduling policy. ({issue}22957)
• Improve performance of queries involving joins when fault tolerant execution is enabled. This adaptive plan optimization can be disabled with the fault-tolerant-execution-adaptive-join-reordering-enabled configuration property or the fault_tolerant_execution_adaptive_join_reordering_enabled session property. ({issue}23046)
• Improve performance for LZ4, Snappy and ZSTD compression and decompression used for exchange spooling with fault-tolerant execution. ({issue}22532)
• {{breaking}} Shorten the name for the Kafka event listener to kafka. ({issue}23308)
• Extend the Kafka event listener to send split completion events. ({issue}23065)

JDBC driver

• Publish a JDBC driver JAR without bundled, third-party dependencies. ({issue}22098)

BigQuery connector

• Fix failures with queries using table functions when parent-project-id is defined. ({issue}23041)

Blackhole connector

• Add support for the REPLACE modifier as part of a CREATE TABLE statement. ({issue}23004)

Delta Lake connector

• Add support for creating tables with deletion vector. ({issue}22104)
• Improve performance for concurrent write operations on S3 by using lock-less Delta Lake write reconciliation. ({issue}23145)
• Improve performance for LZ4, Snappy, and ZSTD compression and decompression. ({issue}22532)
• Fix SSE configuration when using S3SecurityMapping with kmsKeyId configured. ({issue}23299)

Hive connector

• Improve performance of queries that scan a large number of partitions. ({issue}23194)
• Improve performance for LZ4, Snappy, and ZSTD compression and decompression. ({issue}22532)
• Fix OpenX JSON decoding a JSON array line that resulted in data being written to the wrong output column. ({issue}23120)

Hudi connector

• Improve performance for LZ4, Snappy, and ZSTD compression and decompression. ({issue}22532)

Iceberg connector

• Improve performance for LZ4, Snappy, and ZSTD compression and decompression. ({issue}22532)

Memory connector

• Add support for renaming schemas with ALTER SCHEMA ... RENAME. ({issue}22659)

Prometheus connector

• Fix reading large Prometheus responses. ({issue}23025)

SPI

• Remove the deprecated ConnectorMetadata.createView method. ({issue}23208)
• Remove the deprecated ConnectorMetadata.beginRefreshMaterializedView method. ({issue}23212)
• Remove the deprecated ConnectorMetadata.finishInsert method. ({issue}23213)
• Remove the deprecated ConnectorMetadata.createTable(ConnectorSession session, ConnectorTableMetadata tableMetadata, boolean ignoreExisting) method. ({issue}23209)
• Remove the deprecated ConnectorMetadata.beginCreateTable method. ({issue}23211)
• Remove the deprecated ConnectorSplit.getInfo method. ({issue}23271)
• Remove the deprecated DecimalConversions.realToShortDecimal(long value, long precision, long scale) method. ( {issue}23275)
• Remove the deprecated constructor from the ConstraintApplicationResult class. ({issue}23272)