diff --git a/docs/src/main/sphinx/connector/delta-lake.md b/docs/src/main/sphinx/connector/delta-lake.md index be630b0cd059..eb05d4291d73 100644 --- a/docs/src/main/sphinx/connector/delta-lake.md +++ b/docs/src/main/sphinx/connector/delta-lake.md @@ -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 @@ -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`` diff --git a/docs/src/main/sphinx/connector/object-storage-file-formats.md b/docs/src/main/sphinx/connector/object-storage-file-formats.md index 29128577c080..24cf4a8a6a1e 100644 --- a/docs/src/main/sphinx/connector/object-storage-file-formats.md +++ b/docs/src/main/sphinx/connector/object-storage-file-formats.md @@ -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`` -```