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Docs: warn parallelism > 1 doesn't work for migration procedures #11417

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Oct 31, 2024
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Docs: warn parallelism > 1 doesn't work for migration procedures #11417

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Docs: warn parallelism > 1 doesn't work for migration procedures
manuzhang Oct 29, 2024
23cc2e3
Update spark-procedures.md
manuzhang Oct 29, 2024
e46a846
Update spark-procedures.md
manuzhang Oct 29, 2024
3fd70d0
Update spark-procedures.md
manuzhang Oct 29, 2024
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9 changes: 9 additions & 0 deletions docs/docs/spark-procedures.md
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Expand Up @@ -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 |
Expand Down Expand Up @@ -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 |
Expand Down Expand Up @@ -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 |
Expand Down