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12 changes: 2 additions & 10 deletions docs/src/main/sphinx/connector/delta-lake.md
Original file line number Diff line number Diff line change
Expand Up @@ -1064,8 +1064,8 @@ with the `delta.hive-catalog-name` catalog configuration property.

### Performance tuning configuration properties

The following table describes performance tuning catalog properties for the
connector.
The following table describes performance tuning catalog properties specific to
the Delta Lake connector.

:::{warning}
Performance tuning configuration properties are considered expert-level
Expand Down Expand Up @@ -1125,14 +1125,6 @@ keep a backup of the original values if you change them.
with small files. A higher value might improve performance for queries
with highly skewed aggregations or joins.
- ``0.05``
* - ``parquet.max-read-block-row-count``
- Sets the maximum number of rows read in a batch. The equivalent catalog
session property is ``parquet_max_read_block_row_count``.
- ``8192``
* - ``parquet.use-column-index``
- Skip reading Parquet pages by using Parquet column indices. The equivalent
catalog session property is ``parquet_use_column_index``.
- ``true``
* - ``delta.projection-pushdown-enabled``
- Read only projected fields from row columns while performing ``SELECT`` queries
- ``true``
Expand Down
10 changes: 8 additions & 2 deletions docs/src/main/sphinx/connector/object-storage-file-formats.md
Original file line number Diff line number Diff line change
Expand Up @@ -88,7 +88,13 @@ with Parquet files performed by supported object storage connectors:
bloom filters by default. The equivalent catalog session property is
``parquet_use_bloom_filter``.
- ``true``
* - ``parquet.use-column-index``
- Skip reading Parquet pages by using Parquet column indices. The
equivalent catalog session property is ``parquet_use_column_index``.
Only supported by the Delta Lake and Hive connectors.
- ``true``
* - ``parquet.max-read-block-row-count``
- Sets the maximum number of rows read in a batch.
- Sets the maximum number of rows read in a batch. The equivalent catalog
session property is named ``parquet_max_read_block_row_count`` and
supported by the Delta Lake, Hive, and Iceberg connectors.
- ``8192``
```