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# Release 456 (6 Sep 2024) | ||
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## General | ||
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* 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](/optimizer/adaptive-plan-optimizations) 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](file-compression) used for [exchange spooling with | ||
fault-tolerant execution](fte-exchange-manager). ({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`) | ||
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## JDBC driver | ||
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* Publish a [JDBC driver JAR](jdbc-installation) without bundled, third-party | ||
dependencies. ({issue}`22098`) | ||
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## BigQuery connector | ||
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* Fix failures with queries using table functions when `parent-project-id` is | ||
defined. ({issue}`23041`) | ||
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## Blackhole connector | ||
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* Add support for the `REPLACE` modifier as part of a `CREATE TABLE` statement. ({issue}`23004`) | ||
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## Delta Lake connector | ||
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* Add support for creating tables with | ||
[deletion vector](https://docs.delta.io/latest/delta-deletion-vectors.html). | ||
({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](file-compression). ({issue}`22532`) | ||
* Fix SSE configuration when using S3SecurityMapping with kmsKeyId configured. ({issue}`23299`) | ||
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## Hive connector | ||
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* Improve performance of queries that scan a large number of partitions. ({issue}`23194`) | ||
* Improve performance for [LZ4, Snappy, and ZSTD compression and | ||
decompression](file-compression). ({issue}`22532`) | ||
* Fix OpenX JSON decoding a JSON array line that resulted in data being written | ||
to the wrong output column. ({issue}`23120`) | ||
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## Hudi connector | ||
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* Improve performance for [LZ4, Snappy, and ZSTD compression and | ||
decompression](file-compression). ({issue}`22532`) | ||
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## Iceberg connector | ||
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* Improve performance for [LZ4, Snappy, and ZSTD compression and | ||
decompression](file-compression). ({issue}`22532`) | ||
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## Memory connector | ||
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* Add support for renaming schemas with `ALTER SCHEMA ... RENAME`. ({issue}`22659`) | ||
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## Prometheus connector | ||
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* Fix reading large Prometheus responses. ({issue}`23025`) | ||
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## SPI | ||
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* 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.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`) |