GBase8a日常使用 – 老紫竹的家

GBase 8a Cluster Operations and Maintenance: Troubleshooting and Analysis of Performance Anomalies

Posted on 2026年5月18日2026年5月18日 by laozizhu

This article introduces a case where parameter adjustments made for business needs led to performance anomalies in other business areas. It includes the investigation and analysis processes.

When filtering with a `WHERE` clause on a de-sensitized column in GBase 8a, is the data original or de-sensitized?

Posted on 2026年3月31日2026年3月31日 by laozizhu

GBase 8a cluster supports data masking to ensure the security of sensitive data. Regarding filtering with WHERE clauses, grouping, and other operations on masked data, are these operations performed on the original data or on the masked data?

GBase 8a cluster troubleshooting related commands

Posted on 2026年3月24日2026年3月24日 by laozizhu

When GBase 8a experiences occasional issues during stable operation, most are caused by [reason]. This article introduces the most common troubleshooting commands to pinpoint the fault location.

GDOM New Installation Scheme with PostgreSQL as Repository

Posted on 2026年2月27日2026年2月28日 by laozizhu

GDOM (GBase Database Operation Manager) is the Nanjing General Technology GBase 8a MPP database operation and maintenance management system. Starting from version GDOM 3.7.0, in addition to supporting MySQL 8 as a resource repository, it now also supports PostgreSQL. This article introduces the installation solution for GDOM's automatic deployment of PostgreSQL as a resource repository.

GDOM processing of repository, analysis library, or historical database user or password change plan

Posted on 2026年2月26日2026年2月27日 by laozizhu

GDOM connects to three databases. The real-time database and historical database are GBASE8a standalone by default. The resource database can be PostgreSQL or MySQL. If the IP addresses, usernames, or passwords of these databases change, you will need to make corresponding modifications in GDOM to continue using them normally.