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docs(columnar): New guc columnar.chunk_group_size_limit

pull/8202/head
Imran Zaheer 2025-09-18 06:31:52 +05:00
parent 7deb277397
commit 07a043deb6
1 changed files with 5 additions and 0 deletions
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src/backend/columnar/README.md
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@ -111,6 +111,10 @@ The following options are available:
chunk for _newly-inserted_ data. Existing chunks of data will not be chunk for _newly-inserted_ data. Existing chunks of data will not be
changed and may have more rows than this maximum value. The default changed and may have more rows than this maximum value. The default
value is `10000`. value is `10000`.
* **columnar.chunk_group_size_limit**: ``<integer>`` - 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: View options for all tables with:
@ -125,6 +129,7 @@ following GUCs:
* `columnar.compression_level` * `columnar.compression_level`
* `columnar.stripe_row_limit` * `columnar.stripe_row_limit`
* `columnar.chunk_group_row_limit` * `columnar.chunk_group_row_limit`
* `columnar.chunk_group_size_limit`
GUCs only affect newly-created *tables*, not any newly-created GUCs only affect newly-created *tables*, not any newly-created
*stripes* on an existing table. *stripes* on an existing table.