Help Center/ Data Security Center/ Service Overview/ Constraints
Updated on 2025-08-12 GMT+08:00
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Constraints

Supported Huawei Cloud Data Sources

  • Relational Database Service (RDS)
  • Object Storage Service (OBS)

    OBS supports only bucket lists and does not support parallel file systems.

  • Data Warehouse Service (DWS)
  • MapReduce Service (MRS)
  • Cloud Search Service (CSS)
  • Data Lake Insight (DLI)
  • GaussDB
  • Self-built databases on Elastic Cloud Servers (ECSs). Table 1 lists the supported self-built database versions.
  • Databases on Bare Metal Servers (BMSs)
  • Log Tank Service (LTS)

Supported Datasource Versions

Table 1 Supported datasource versions

Data Type

Data Source Type

Version

Database

MySQL

5.6, 5.7, 5.8, and 8.0

SQL Server

2017_SE, 2017_EE, and 2017_WEB

2016_SE, 2016_EE, and 2016_WEB

2014_SE and 2014_EE

2012_SE, 2012_EE, and 2012_WEB

2008_R2_EE and 2008_R2_WEB

PostgreSQL

15, 14, 13, 12, 11, 10, 9.6, 9.5, 9.4, 9.1, and 1.0

TDSQL

10.3.X

Oracle

11, 12

KingBase

V8

GaussDB

1.3, 1.4, and 2.7

DMDBMS

7 and 8

DWS

8.1.X

Big Data

ElasticSearch

5.x, 6.x, and 7.x

DLI

1.0

Hive

1.0

MRS-Hive

3.x

Hbase

1.0

OBS

OBS

V3

Data Sources Supported by Sensitive Data Identification

Table 2 Data sources supported by sensitive data identification

Asset Type

Data Source Type

OBS (traditional identification and LLM-based identification)

OBS bucket

Database (traditional identification)

RDS, DWS, GaussDB, and user-built databases (MySQL, TDSQL, KingBase, DMDBMS, PostgreSQL, SQLServer, and Oracle)

Big data (traditional identification)

Elasticsearch, DLI, Hive, and HBase

Logs (traditional identification)

LTS

Data Sources Supported by Data Masking

Table 3 Data sources supported by data masking

Masking Type

Data Source

Data masking

SQLServer, MySQL, TDSQL, PostgreSQL, KingBase, DMDBMS, GaussDB, Oracle, and DWS

Elasticsearch masking

Elasticsearch

Hive masking

Hive

HBase masking

HBase

DLI masking

DLI

MRS masking

MRS_HIVE

OBS masking

OBS bucket files (text and images (face and license plate))

Data Sources Supported by Data Watermarking

Table 4 Data source types supported by data watermarking

Watermarking Target

Watermark Type

Data Source

Databases

Lossy - column watermark

DWS and MRS_HIVE databases

Lossless - pseudocolumn/pseudorow watermarking

DWS, PostgreSQL, and MySQL databases

Documents

-

OBS buckets and local files

Images

-

OBS buckets and local files