pgbouncer.conf

; database name = connect string
[databases]

newsblur = host=db11 port=5432 dbname=newsblur
slave    = host=db12 port=5432 dbname=newsblur

;; Configuation section
[pgbouncer]

ignore_startup_parameters = application_name

;;;
;;; Administrative settings
;;;

logfile = /var/log/postgresql/pgbouncer.log
pidfile = /var/log/postgresql/pgbouncer.pid

;;;
;;; Where to wait for clients
;;;

; ip address or * which means all ip-s
listen_addr = 127.0.0.1
listen_port = 6432
unix_socket_dir = /var/log/postgresql

;;;
;;; Authentication settings
;;;

; any, trust, plain, crypt, md5
auth_type = plain
; auth_file = 8.0/main/global/pg_auth
auth_file = /etc/pgbouncer/userlist.txt

;;;
;;; Users allowed into database 'pgbouncer'
;;;

; comma-separated list of users, who are allowed to change settings
admin_users =

; comma-separated list of users who are just allowed to use SHOW command
stats_users =

;;;
;;; Pooler personality questions
;;;

; When server connection is released back to pool:
;   session      - after client disconnects
;   transaction  - after transaction finishes
;   statement    - after statement finishes
pool_mode = session

;
; Query for cleaning connection immidiately after releasing from client.
;
; Query for 8.3+:
;   DISCARD ALL;
;
; Older versions:
;   RESET ALL; SET SESSION AUTHORIZATION DEFAULT
;
server_reset_query = 

;
; Comma-separated list of parameters to ignore when given
; in startup packet.  Newer JDBC versions require the
; extra_float_digits here.
;
;ignore_startup_parameters = extra_float_digits

;
; When taking idle server into use, this query is ran first.
;   SELECT 1
;
server_check_query = select 1

; If server was used more recently that this many seconds ago,
; skip the check query.  Value 0 may or may not run in immidiately.
server_check_delay = 10

;;;
;;; Connection limits
;;;

; total number of clients that can connect
max_client_conn = 100
default_pool_size = 20

; how many additional connection to allow in case of trouble
;reserve_pool_size = 5

; if a clients needs to wait more than this many seconds, use reserve pool
;reserve_pool_timeout = 3

log_connections = 0
log_disconnections = 0

; log error messages pooler sends to clients
log_pooler_errors = 1


; If off, then server connections are reused in LIFO manner
;server_round_robin = 0

;;;
;;; Timeouts
;;;

;; Close server connection if its been connected longer.
;server_lifetime = 1200

;; Close server connection if its not been used in this time.
;; Allows to clean unneccessary connections from pool after peak.
;server_idle_timeout = 60

;; Cancel connection attepmt if server does not answer takes longer.
;server_connect_timeout = 15

;; If server login failed (server_connect_timeout or auth failure)
;; then wait this many second.
;server_login_retry = 15

;; Dangerous.  Server connection is closed if query does not return
;; in this time.  Should be used to survive network problems,
;; _not_ as statement_timeout. (default: 0)
;query_timeout = 0

;; Dangerous.  Client connection is closed if no activity in this time.
;; Should be used to survive network problems. (default: 0)
;client_idle_timeout = 0

;; Disconnect clients who have not managed to log in after connecting
;; in this many seconds.
;client_login_timeout = 60

;; Clean automatically created database entries (via "*") if they
;; stay unused in this many seconds.
; autodb_idle_timeout = 3600

;;;
;;; Low-level tuning options
;;;

;; buffer for streaming packets
;pkt_buf = 2048

;; networking options, for info: man 7 tcp

;; linux: notify program about new connection only if there
;; is also data received.  (Seconds to wait.)
;; On Linux the default is 45, on other OS'es 0.
;tcp_defer_accept = 0

;; In-kernel buffer size (linux default: 4096)
;tcp_socket_buffer = 0

;; whether tcp keepalive should be turned on (0/1)
;tcp_keepalive = 0

;; following options are linux-specific.
;; they also require tcp_keepalive=1

;; count of keepaliva packets
;tcp_keepcnt = 0

;; how long the connection can be idle,
;; before sending keepalive packets
;tcp_keepidle = 0

;; The time between individual keepalive probes.
;tcp_keepintvl = 0