通过以上step by step的操作,我相信各位少侠都能玩PostgreSQL高可用之Patroni + etcd架构。 强烈建议收藏! 作者介绍:云和恩墨资深Oracle dba,有12年左右的金融、保险、政府、地税、运营商等业务关键型系统的运维经验,曾担任公司异常恢复东区接口人,负责紧急异常恢复工作,技术二线专家。目前负责PG、openGauss/MogDB运维、国产化MogDB数据库的推广工作 作者...
Step 1: Create the user in master using whichever slave should connect for streaming the WALs. This user must have REPLICATION ROLE. PgSQL 1 2 3 CREATE USER replicator WITH REPLICATION ENCRYPTED PASSWORD 'replicator'; Step 2: The following parameters on the master are considered as mandatory wh...
ensuring high availability, load balancing, and scaling read operations across multiple nodes. PostgreSQL supports various replication methods, including streaming replication, logical replication, and
pglogical10, 11, 12, 13PostgreSQL Logical Replication pglogical_origin10, 11, 12, 13Dummy extension for compatibility when upgrading from Postgres 9.4 pgrowlocks10, 11, 12, 13Show row-level locking information pgstattuple10, 11, 12, 13Show tuple-level statistics ...
ADDRESS METHOD # "local" is for Unix domain socket connections only local all all trust # IPv4 local connections: host all all 127.0.0.1/32 trust # IPv6 local connections: host all all ::1/128 trust # Allow replication connections from localhost, by a user with the # replication ...
Physical Replication of PostgreSQL Database Logical Replication of PostgreSQL Database Before we discuss physical and logical replication types, let’s review the context of the terms “physical” and “logical” here. For example: ramp=#createtablesample_tbl(aint, bvarchar(255));CREATETABLEramp=#...
In the case of a logical replication slot, an output plugin for formatting the data returned by the replication slot is mandatory. • START_REPLICATION [SLOT slot_name][PHYSICAL] xxx/xxx [TIMELINE tli]:这告诉服务器在特定时间线的特定位置为给定复制槽启动 WAL 流。This tells the server to ...
PostgreSQL14 中的新语法,尤其是使用 BEGIN ATOMIC ... END 创建 SQL 函数,在某些情况下会破坏其官方的.NET 和Java数据库驱动。但只要不通过 Npgsql 或 PgJDBC 修改数据库模式,就不会出现问题。 对于Java 的 JDBC 和.NET 的 ADO.NET 数据库驱动框架,它们存在一个共同点,那就是都支持使用分号实现 SQL 语句...
Starting from PostgreSQL 10, logical replication is available with the PostgreSQL source by default. So, you could easily replicate a PostgreSQL 10 database to PostgreSQL 11. Logical Replication uses a publish and subscribe model. The node that sends the changes becomes a publisher. And the node...
Having set up the logical replication, you can now test it by inserting a new record into the "basic" table in your source database and then verifying that it replicates to your target database:SQL Sao chép -- Run this on the source database INSERT INTO basic SELECT 3, 'mango'; -...