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Storage Engine Update Description/
GaussDB Kernel 503
Updated on 2025-05-29 GMT+08:00
GaussDB Kernel 503
- Ustore supports distributed deployment, parallel query, global temporary tables, VACUUM FULL, and column constraints DEFERRABLE and INITIALLY DEFERRED.
- Ustore supports online index rebuild.
- Ustore supports enhanced B-tree empty page estimation to improve the cost estimation accuracy of optimizers.
- Ustore supports the storage engine reliability verification framework Diagnose Page/Page Verify.
- Ustore supports enhanced view parsing, detection, and repair.
- Ustore supports enhanced WAL locating. The gs_redo_upage system view is added to support constant replay of a single page and obtain and print any historical page, accelerating fault locating for damaged pages.
- Ustore extends the transaction directory's physical format for transaction slots for space reuse within a transaction.
- Ustore supports online index creation.
- Ustore supports flashback and ultimate RTO.
Parent topic: Storage Engine Update Description
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