From ce715c243280bf0fdb457d7d6818f46b325bffe9 Mon Sep 17 00:00:00 2001 From: Manfred Moser Date: Mon, 9 Dec 2024 11:56:21 -0800 Subject: [PATCH] Add Trino 468 release notes --- docs/src/main/sphinx/release.md | 1 + docs/src/main/sphinx/release/release-468.md | 50 +++++++++++++++++++++ 2 files changed, 51 insertions(+) create mode 100644 docs/src/main/sphinx/release/release-468.md diff --git a/docs/src/main/sphinx/release.md b/docs/src/main/sphinx/release.md index 2d083b797a47..c2bac1c08263 100644 --- a/docs/src/main/sphinx/release.md +++ b/docs/src/main/sphinx/release.md @@ -6,6 +6,7 @@ ```{toctree} :maxdepth: 1 +release/release-468 release/release-467 release/release-466 release/release-465 diff --git a/docs/src/main/sphinx/release/release-468.md b/docs/src/main/sphinx/release/release-468.md new file mode 100644 index 000000000000..f58f83af223a --- /dev/null +++ b/docs/src/main/sphinx/release/release-468.md @@ -0,0 +1,50 @@ +# Release 468 (16 Dec 2024) + +## General + +* Add experimental support for [](/udf/python). ({issue}`24378`) +* Add cluster overview to the [](/admin/preview-web-interface). ({issue}`23600`) +* Add new node states `DRAINING` and `DRAINED` to make it possible to reactivate + a draining worker node. ({issue}`24444 `) + +## BigQuery connector + +* Improve performance when reading external + [BigLake](https://cloud.google.com/bigquery/docs/biglake-intro) tables. ({issue}`21016`) + +## Delta Lake connector + +* {{breaking}} Reduce coordinator memory usage for the Delta table metadata + cache and enable configuration `delta.metadata.cache-max-retained-size` to + control memory usage. Remove the configuration property + `delta.metadata.cache-size` and increase the default for + `delta.metadata.cache-ttl` to `30m`. ({issue}`24432`) + +## Hive connector + +* Enable mismatched bucket execution optimization by default. This can be + disabled with `hive.optimize-mismatched-bucket-count` configuration property + and the `optimize_mismatched_bucket_count` session property. ({issue}`23432`) +* Improve performance by deactivating bucket execution when not useful in query + processing. ({issue}`23432`) + +## Iceberg connector + +* Improve performance when running a join or aggregation on a bucketed table + with bucketed execution. This can be deactivated with the + `iceberg.bucket-execution` configuration property and the + `bucket_execution_enabled` session property. ({issue}`23432`) +* Deprecate the `iceberg.materialized-views.storage-schema` configuration + property. ({issue}`24398`) +* {{breaking}} Rename the `partitions` column in the `$manifests` metadata table + to `partition_summaries`. ({issue}`24103`) +* Avoid excessive resource usage on coordinator from Iceberg system table scans. ({issue}`24396`) + +## PostgreSQL connector + +* Add support for non-transactional [MERGE statements](/sql/merge). ({issue}`23034`) + +## SPI + +* Add partitioning push down, which a connector can use to activate optional + partitioning or choose between multiple partitioning strategies. ({issue}`23432`)