TL;DR: Don't ever set fsync=off, don't kill -9 the postmaster then deletepostmaster.pid, don't run PostgreSQL on network file systems. Reports of database corruption on the PostgreSQL mailing list are uncommon, but hardly rare. While a few data corru…
1.PostgreSQL 9.1 and below: SELECT pg_terminate_backend(pg_stat_activity.procpid) FROM pg_stat_activity WHERE pg_stat_activity.datname = 'TARGET_DB' AND procpid <> pg_backend_pid(); PostgreSQL 9.2 and above: SELECT pg_terminate_backend(pg_stat_activ…
昨天在工作中遇到一个情况,就是Development环境中的某台服务器上的某个数据库进入了Suspect状态.以前看书倒是知道说这个状态,不过实际工作当中从来没有遇到过.那么一些背景情况是这样的. 环境:Development 数据库产品:SQL Server 2008 R2 数据库业务类型:DataWare House 数据库恢复模式:Simple 备份情况:每天就一个备份 在Google上查询了相关资料加上自己对于这种情况已有的储备知识,首先我第一部先到SQL Server Log里面查找最…
Disable any triggers on the table Drop indexes before starting the import, re-create them afterwards. (It takes much less time to build an index in one pass than it does to add the same data to it progressively, and the resulting index is much more c…
kali linux 系列教程之metasploit 连接postgresql可能遇见的问题 文/玄魂 目录 kali linux 下metasploit 连接postgresql可能遇见的问题................................ 1 前言............................................................................................................... 1…
PostgreSQL Performance Monitoring Tools https://github.com/CloudServer/postgresql-perf-tools This package includes three useful scripts aimed to help to pinpoint performance issues on systems with PostgreSQL as database backend. All scritps are writt…
postgres-toolkit A collection of scripts and utilities to manage PostgreSQL servers. Allows DBA to perform complicated tasks with single commands. Focusing on frequent tasks for PostgreSQL DBA to improve their productivity and quality of operations.…
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…
pg_dump dumps a database as a text file or to other formats. Usage: pg_dump [OPTION]... [DBNAME] General options: -f, --file=FILENAME output file or directory name -F, --format=c|d|t|p output file format (custom, directory, tar, plai…
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…
ALTER TABLE jiangan_config ADD COLUMN article text NOT NULL DEFAULT ''; pg_dump -s database_name -t table_name 查看表定义: CREATE TABLE hetong ( id integer NOT NULL, create_time timestamp with time zone NOT NULL, edit_time timestamp with time zone NOT NUL…
昨天一台SQL Server 2008R2的数据库在凌晨5点多抛出下面告警信息: The log scan number (620023:3702:1) passed to log scan in database 'xxxx' is not valid. This error may indicate data corruption or that the log file (.ldf) does not match the data file (.mdf). If this error oc…
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…
PostgreSQL: The world's most advanced open source database https://www.postgresql.org/ POSTGRESQL: THE WORLD'S MOST ADVANCED OPEN SOURCE RELATIONAL DATABASE PostgreSQL: Documentation: 10: PostgreSQL 10.4 Documentation https://www.postgresql.org/docs/…
#快速导入数据到postgresql import pandas as pd import psycopg2 from io import StringIO def sql_to_df(): con=pymysql.connect(**conf["mysql_form"]) sql="select category_id,name,gameid,img_url from category where category_id in (11665,9653,6504) "…
