Help Center/ GaussDB/ Feature Guide(Centralized_8.x)/ Storage Engine/ Data Lifecycle Management: OLTP Table Compression/ Feature Constraints

Updated on 2024-06-07 GMT+08:00

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Feature Constraints

System catalogs, memory tables, global temporary tables, local temporary tables, and sequence tables are not supported.
User can set ILM policies for ordinary tables, partitions, and level-2 partitions.
Astore/Ustore user tables of ordinary tables, partitions, and level-2 partitions, as well as TDE tables are supported.
This feature is valid only in A compatibility mode and PG mode.
The Ustore does not support encoding and decoding, and the compression ratio is less than 2:1.

Parent topic: Data Lifecycle Management: OLTP Table Compression

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