PostgreSQL Monitor pg_activity Command line tool for PostgreSQL server activity monitoring. https://github.com/julmon/pg_activity/ 依赖的包 python ≥ 2.6 psycopg2 ≥ 2.2.1 psutil ≥ 0.5.1 软件包 Python-2.7.tar.bz2   psycopg2-2.6.1.tar.gz   psutil-3.2.2.tar.gz…

PostgreSQL Monitor pg_view https://github.com/zalando/pg_view Requirements Linux 2.6, python 2.6, psycopg2, curses 查看系统是否有curses [root@node3 /]# ls /usr/include/ncurses* /usr/include/ncurses_dll.h  /usr/include/ncurses.h 系统已经安装了curses,如果没有下载安装curses…

PostgreSQL Insight Monitor  pgstat pgstat 是一个连接到数据库并获取数据库的活动状态的命令行工具. PostgreSQL有许多状态: archiver for pg_stat_archiver bgwriter for pg_stat_bgwriter connection for connections by type database for pg_stat_database table for pg_stat_all_tables tableio f…

Streaming replication slots are a pending feature in PostgreSQL 9.4, as part of the logical changeset extraction feature. What are they for, what do you need to know, what changes? What are replication slots? Streaming replication slots are a new fac…

Checkpoints can be a major drag on write-heavy PostgreSQL installations. The first step toward identifying issues in this area is to monitor how often they happen, which just got an easier to use interface added to the database recently. Checkpoints…

PostgreSQL相关的软件,库,工具和资源集合. 备份 wal-e - Simple Continuous Archiving for Postgres to S3, Azure, or Swift by Heroku Barman - Backup and Recovery Manager for Postgres by 2ndQuadrant GUI pgAdmin - Postgres Administration and Management GUI phpPgAdmin - The…

最近一段时间团队接到的项目需要处理的数据量非常大,之前的处理方式难以满足现有需求.最近两周前前后后折腾了不少,在搭建了hadoop+hbase+hive+spark的一个集群后,由于感觉管理和监控太麻烦就把它给干掉了,转而折腾CDH. 安装CDH前需要安装Cloudera Manager,官方文档提供的A,B,C三种安装方式.方式A傻瓜式的安装部署,安装时最好祈祷一次成功,否则卸载时时候非常麻烦.本文主要介绍方式C的部署. 系统环境以及相关软件版本 机器数量:4台PC,名称分别为Master,…

安装postgresql CentOS7安装并配置PostgreSQL 安装pgpool rpm -ivh http://www.pgpool.net/yum/rpms/3.7/redhat/rhel-7-x86_64/pgpool-II-release-3.7-1.noarch.rpm yum -y install pgpool-II-pg95 yum -y install pgpool-II-pg95-debuginfo yum -y install pgpool-II-pg95-devel…

1. 查看PostgreSQL表结构,数据量,是否有特殊字段值 region_il=# select count(*) from result_basic; count --------- ( row) region_il=# \d result_basic Table "noco_il_16q1.result_basic" Column | Type | Modifiers -----------------------+-----------------------+-------…

转自:https://severalnines.com/blog/top-pg-clustering-ha-solutions-postgresql If your system relies on PostgreSQL databases and you are looking for clustering solutions for HA, we want to let you know in advance that it is a complex task, but not imposs…