1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
#
# pgpool configuration file sample
# $Header$
# Host name or IP address to listen on: '*' for all, '' for no TCP/IP
# connections
listen_addresses = 'localhost'
# Port number for pgpool
port = 9999
# Unix domain socket path. (The Debian package defaults to
# /var/run/postgresql.)
socket_dir = '/tmp'
# Host name where PostgreSQL server is running on. '' means localhost
# using Unix domain socket.
backend_host_name = ''
# port number PostgreSQL server is running on
backend_port = 5432
# Unix domain socket path for the backend. (The Debian package defaults
# to /var/run/postgresql.)
backend_socket_dir = '/tmp'
# Host name where secondary PostgreSQL server is running on. '' means
# localhost using Unix domain socket.
secondary_backend_host_name = ''
# Port number secondary PostgreSQL server is running on. 0 means no
# secondary PostgreSQL.
secondary_backend_port = 0
# Number of pre-forked child processes
num_init_children = 32
# Number of connection pools allowed for a child process
max_pool = 4
# If idle for this many seconds, child exits. 0 means no timeout.
child_life_time = 300
# If idle for this many seconds, connection to PostgreSQL closes.
# 0 means no timeout.
connection_life_time = 0
# If child_max_connections connections were received, child exits.
# 0 means no exit.
child_max_connections = 0
# Maximum time in seconds to complete client authentication.
# 0 means no timeout.
authentication_timeout = 60
# Logging directory
logdir = '/tmp'
# Replication mode
replication_mode = false
# Set this to true if you want to avoid deadlock situations when
# replication is enabled. There will, however, be a noticable performance
# degration. A workaround is to set this to false and insert a /*STRICT*/
# comment at the beginning of the SQL command.
replication_strict = true
# When replication_strict is set to false, there will be a chance for
# deadlocks. Set this to nonzero (in milliseconds) to detect this
# situation and resolve the deadlock by aborting current session.
replication_timeout = 5000
# Load balancing mode, i.e., all SELECTs except in a transaction block
# are load balanced. This is ignored if replication_mode is false.
load_balance_mode = false
# Load balance weight for master and secondary. The actual weight is
# calculated by weight_master divided by weight_secondary. For
# example both
#
# weight_master = 10 and weight_secondary = 5
# weight_master = 4 and weight_secondary = 2
#
# are regarded as the master having double the weight compared to the
# secondary. Master and secondary have the same weight in the default.
weight_master = 0.5
weight_secondary = 0.5
# If there is a data mismatch between master and secondary, start
# degeneration to stop replication mode.
replication_stop_on_mismatch = false
# If true, replicate SELECT statement when load balancing is disabled.
# If false, it is only sended to the master node.
replicate_select = false
# Semicolon separated list of queries to be issued at the end of a session
reset_query_list = 'ABORT; RESET ALL; SET SESSION AUTHORIZATION DEFAULT'
# If true print time stamp on each log line.
print_timestamp = true
# If true, operate in master/slave mode.
master_slave_mode = false
# If true, cache connection pool.
connection_cache = true
# Health check timeout. 0 means no timeout.
health_check_timeout = 20
# Health check period. 0 means no health check.
health_check_period = 0
# Health check user
health_check_user = 'nobody'
# If true, automatically lock table with INSERT statements to keep SERIAL
# data consistency. An /*INSERT LOCK*/ comment has the same effect. A
# /NO INSERT LOCK*/ comment disables the effect.
insert_lock = false
# If true, ignore leading white spaces of each query while pgpool judges
# whether the query is a SELECT so that it can be load balanced. This
# is useful for certain APIs such as DBI/DBD which is known to adding an
# extra leading white space.
ignore_leading_white_space = false
# - What to Log -
# If true, print all statements to the log. Like the log_statement option
# to PostgreSQL, this allows for observing queries without engaging in full
# debugging.
log_statement = false
# If true, incoming connections will be printed to the log.
log_connections = false
# If true, hostname will be shown in ps status. Also shown in
# connection log if log_connections = true.
# Be warned that this feature will add overhead to look up hostname.
log_hostname = false
# - HBA -
# If true, use pool_hba.conf for client authentication.
enable_pool_hba = true
|