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commit 5f7c992ca673bf41df1d37543b24d646c24568a9 Author: Manu Zhang <[email protected]> AuthorDate: Fri Nov 1 04:48:45 2024 +0800 Docs: warn `parallelism > 1` doesn't work for migration procedures (#11417) --- docs/docs/spark-procedures.md | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/docs/docs/spark-procedures.md b/docs/docs/spark-procedures.md index 0953e729a7..e07ebe82ce 100644 --- a/docs/docs/spark-procedures.md +++ b/docs/docs/spark-procedures.md @@ -586,6 +586,9 @@ See [`migrate`](#migrate) to replace an existing table with an Iceberg table. | `properties` | ️ | map<string, string> | Properties to add to the newly created table | | `parallelism` | | int | Number of threads to use for file reading (defaults to 1) | +!!! warning + There's a [known issue with `parallelism > 1`](https://github.com/apache/iceberg/issues/11147) that is scheduled to be fixed in the next release. + #### Output | Output Name | Type | Description | @@ -629,6 +632,9 @@ By default, the original table is retained with the name `table_BACKUP_`. | `backup_table_name` | | string | Name of the table that will be retained as backup (defaults to `table_BACKUP_`) | | `parallelism` | | int | Number of threads to use for file reading (defaults to 1) | +!!! warning + There's a [known issue with `parallelism > 1`](https://github.com/apache/iceberg/issues/11147) that is scheduled to be fixed in the next release. + #### Output | Output Name | Type | Description | @@ -675,6 +681,9 @@ Warning : Schema is not validated, adding files with different schema to the Ice Warning : Files added by this method can be physically deleted by Iceberg operations +!!! warning + There's a [known issue with `parallelism > 1`](https://github.com/apache/iceberg/issues/11147) that is scheduled to be fixed in the next release. + #### Output | Output Name | Type | Description |
