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博客园 - likingzi

数据库IO性能优化思考 RAID10和RAID5性能对比测试 迁移MySQL数据到Oracle实践记录 使用benchmarksql测试数据库处理能力 BigCloud Enterprise Linux 8和Rocky Linux 8升级OpenSSH步骤 【翻译】凝视深渊:千核并发控制的评估 NFS使用TrueNAS SCALE的好处 linux 手动释放内存 linux8安装oracle 11g遇到的问题记录 ARM架构鲲鹏主机BClinux离线安装docker步骤 ORA-01658创建表或索引报错分析 MySQL PXC 集群死锁分析案例 记录一下oracle 19c的集群节点移除、新增操作 MySQL PXC集群多个节点同时大量并发update同一行 MongoDB集群同步 【最佳实践】MySQL数据库迁移到PXC集群 MySQL PXC集群配置IPv6 【实操记录】MySQL主从配置 【实操记录】MySQL二进制安装包部署 MongoDB分片+副本集高可用集群的启停步骤
瀚高数据库不同版本对实例级用户的支持情况
likingzi · 2026-02-03 · via 博客园 - likingzi

V9.5

[hgadmin@highgov9-5 ~]$ psql --version
psql (PostgreSQL) 9.5.4
[hgadmin@highgov9-5 ~]$ psql --help|grep -P "\-u|\-U"
  -u, --instance-user      connect to the database with instance level user
  -U, --username=USERNAME  database user name (default: "hgadmin")
[hgadmin@highgov9-5 ~]$ psql -udbadmin -p5866 -dpostgres
psql: FATAL:  instance level role "hgadmin" does not exist

以上说明这个版本瀚高数据库存在bug,因为已经指定了 dbadmin 实例级用户,却识别成 hgadmin
解决办法是使用 -u username 的严格格式指定实例级用户:
psql -u dbadmin -p5866 -dpostgres

V9.0.1

[hgadmin@highgov9-0-pg ~]$ psql --version
psql (PostgreSQL) 14.10
[hgadmin@highgov9-0-pg ~]$ psql --help|grep -P "\-u|\-U"
  -U, --username=USERNAME  database user name (default: "hgadmin")