Drop Down MenusCSS Drop Down MenuPure CSS Dropdown Menu

Simple PostgreSQL vacuum script

In this tutorial i will explained about how to find out vacuum size of database level and how to write script for vacuum and analyze in postgreSQL open source database.

Ans:
1.Find out the vacuum level 
\c chennai
select count(*) from pg_stat_all_tables where n_dead_tup > 1000;

\c mumbai
select count(*) from pg_stat_all_tables where n_dead_tup > 1000;

\c kolkatta
select count(*) from pg_stat_all_tables where n_dead_tup > 1000;

\c banglore
select count(*) from pg_stat_all_tables where n_dead_tup > 1000;

\c newyork
select count(*) from pg_stat_all_tables where n_dead_tup > 1000;
select schemaname,relname,n_dead_tup,last_vacuum,last_autovacuum, last_analyze, last_autoanalyze from pg_stat_all_tables;
2.Script for Analyze and vacuum the postgresql dead tubles
 vi /home/script/vaccum_database.sh

#!/bin/sh
# The script sets environment variables helpful for PostgreSQL

export PATH=/opt/PostgreSQL/9.6/bin:$PATH
export PGDATA=/data/emut_96/
export PGDATABASE=postgres
export PGUSER=postgres
export PGPORT=5432
export PGLOCALEDIR=/opt/PostgreSQL/9.6/share/locale
export MANPATH=$MANPATH:/opt/PostgreSQL/9.6/share/man


vacuumdb --analyze chennai
vacuumdb --analyze mumbai
vacuumdb --analyze kolkatta
vacuumdb --analyze banglore
vacuumdb --analyze newyork
3.vacuum analyze sheduling in crontab on  everyday of 10.pm
befere scheduling crontjob check the current date.
$ date

crontab -e
0 22 * * * sh /home/script/vaccum_database.sh





Comments

Popular posts from this blog

PostgreSQL Index

Top 40 Highest Paying URL Shortener Companies - Best URL Shorteners To Earn Fast

VMWARE WORKSTATION 3,4,5,6,7,8,9,10,11,12,14,15...etc LICENSE KEYS COLLECTION

How to CreateYour Own AWS Account Alias?

How to Get Table Size, Database Size, Indexes Size, schema Size, Tablespace Size, column Size in PostgreSQL Database