GaussDB Kernel 503

- Adapted Ustore to distributed deployment/parallel query/global temporary table/full vacuum/column constraints DEFERRABLE and INITIALLY DEFERRED.

- Added the online index rebuild function to Ustore.

- Enhanced B-tree empty page estimation for Ustore to improve the cost estimation accuracy of an optimizer.

- Added the storage engine reliability verification framework Dignose Page/Page Verify to Ustore.

- Enhanced the view parsing, detection, and repair related to Ustore.

- Enhanced the WAL locating capability for Ustore. 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.

- Extended the Ustore transaction directory's physical format for transaction slots for space reuse within a transaction.

- Added the online index creation function for Ustore.

- Adapted Ustore to the flashback function and ultimate RTO.

Parent topic: Storage Engine Update Description

Previous topic: GaussDB Kernel 505

Next topic: GaussDB Kernel R2

Feedback

Was this page helpful?

Helpful Not helpful

Provide feedback

Thank you very much for your feedback. We will continue working to improve the documentation.See the reply and handling status in My Cloud VOC.

The system is busy. Please try again later.

Which of the following issues have you encountered?

Content is inconsistent with the product UI

Unclear descriptions

Lack of examples or code

Incorrect steps

Can't find what I need

Lack of best practices

Feedback (optional)

0/500

Select at least one type of issue, and enter your comments or suggestions.

Enter a maximum of 500 characters.

Submit Cancel

For any further questions, feel free to contact us through the chatbot.

Chatbot