From 07a043deb6ff3421f98d8df6a82fb93194bad169 Mon Sep 17 00:00:00 2001 From: Imran Zaheer Date: Thu, 18 Sep 2025 06:31:52 +0500 Subject: [PATCH] docs(columnar): New guc columnar.chunk_group_size_limit --- src/backend/columnar/README.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/backend/columnar/README.md b/src/backend/columnar/README.md index b2e0fdf3b..9c4a4db83 100644 --- a/src/backend/columnar/README.md +++ b/src/backend/columnar/README.md @@ -111,6 +111,10 @@ The following options are available: chunk for _newly-inserted_ data. Existing chunks of data will not be changed and may have more rows than this maximum value. The default value is `10000`. +* **columnar.chunk_group_size_limit**: ```` - the maximum size in MB per + chunk group for _newly-inserted_ data. Existing chunks of data will not be + changed and may have more size than this maximum value. The default + value is `256`. View options for all tables with: @@ -125,6 +129,7 @@ following GUCs: * `columnar.compression_level` * `columnar.stripe_row_limit` * `columnar.chunk_group_row_limit` +* `columnar.chunk_group_size_limit` GUCs only affect newly-created *tables*, not any newly-created *stripes* on an existing table.