1 서버 정보

2 설치

3 방화벽 오픈

4 DB 및 테이블 생성

5 config

6 패스워드 md5

7 users.txt

8 실행

9 192.168.56.1에서 접속 테스트

• 192.168.56.101 --> pgbouncer1.6
  
• 192.168.56.102 --> postgresql9.4, pg_hba.conf 파일에 192.168.56.102 접속 허용
  
  

rpm -Uvh http://yum.postgresql.org/9.4/redhat/rhel-7-x86_64/pgdg-centos94-9.4-1.noarch.rpm
yum update
yum install pgbouncer

firewall-cmd --permanent --add-port=6543/tcp
firewall-cmd --reload

psql -x -c "CREATE DATABASE sample WITH ENCODING='UTF8' CONNECTION LIMIT=-1;" 
psql -x -d sample -c "create table test(id int)" 
psql -x -d sample -c "insert into test(id) values(1)"
psql -x -d sample -c "select * from test" 

vi /etc/pgbouncer/config.ini

[databases]
db1 = host=192.168.56.102 port=5432 dbname=sample user=postgres password=9999

[pgbouncer]
pool_mode = session
listen_port = 6543
listen_addr = *
auth_type = md5
auth_file = /etc/pgbouncer/users.txt
logfile = pgbouncer.log
pidfile = pgbouncer.pid
admin_users = postgres

select 'md5' || md5 ('9999' || 'postgres');

user=postgres; passwd=9999; echo -n md5; echo $passwd$user | md5sum

vi /etc/pgbouncer/users.txt

"postgres" "md59b9579bc6327c1a529d21c8a011e552d"

su - postgres
pgbouncer -d /etc/pgbouncer/config.ini -R

psql -h 192.168.56.101 -p 6543 -d db1 -U postgres