Additional notes and considerations for thispostgresql.confmodification: If there is "synchronous_standby_names" parameter, please delete it. Fixed IP cannot be written in listen_address. Replication_timeout is detection time for the replication cuts it, and wal_receiver_status_interval is an interva...
Logical Replication是PostgreSQL10.0引入的内置新特性,而pglogical则是一个插件。PG10版本之前可以使用该插件进行逻辑复制,通过持续发展,pglogical的所有特性都集成到了Logical Replication中。换句话说,pglogical插件变成了Logical Replication。Logical Replication最基本的优势在于不用安装任何插件,安装插件受限的环境中,可以推荐...
postgresql: connect_address: 172.31.8.5:5432 pg_hba: # Add following lines to pg_hba.conf after running 'initdb' - host replication replicator 172.31.8.5/24 md5 - host replication replicator 127.0.0.1/32 trust - host all all 172.31.8.5/24 md5 - host all all 0.0.0.0/0 md5On Node1 repl...
host replication all ::1/128 identhost replication all 10.20.30.41/32 md5 3. Update postgres.conf file in primary server. Update the postgrs.conf file with below values. postgres=#show config_file;config_file --- /postdata/data/postgresql.conf (1 row) vi /oracle/pg_data/postgresql.confa...
How to kill/stop a query in PostgreSQL? First, check the running processes by executing: Copy 1SELECT*FROMpg_stat_activity2WHEREstate ='active'; Find the PID (<pid_of_the_process>) of the process you want to kill. Then, you have two options: ...
一、PostgreSQL on Win环境搭建 1 环境要求 2 下载PostgreSQL安装包 3 解压PostgreSQL安装包 4 下载pgadmin安装包(可选) 5 安装pgadmin(可选) 6 规划数据文件目录 7 初始化数据库集群 8 配置postgresql.conf 9 配置pg_hba.conf(可选) 10 启动、停止数据库集群 ...
Deadlock replication conflicts:A query on the standby blocks while using the shared buffer that is needed to replayWALfrom the primary. PostgreSQL will cancel such a query immediately. Tablespace replication conflicts:A tablespace is intemp_tablespaceson the standby server, and a query has temporary...
In this post, we are going to understand what the COALESCE function is and how to use it in PostgreSQL. What is a COALESCE Function? COALESCE is a system in-built function that can be considered one of the conditional expressions available in PostgreSQL. NULLIF, GREATEST, LEAST, and COALESCE...
repmgr is an open-source toolset from 2ndQuadrant, a leading specialist in PostgreSQL-related technologies and services. The product is used to automate, enhance, and manage PostgreSQL streaming replication. Streaming replication in PostgreSQL has been a
All of the above factors influence Logical Replication to a greater extent. Let us take a look at them in detail. PostgreSQL Logical Replication Data Types Understanding the type of data stored in the table is important. If the table part of replication stores Large text or Binary objects and...