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d4science-ghn-cluster: Reconfigure the dev pgpool cluster to run with HA enabled. Tweak some parameters to achieve a better reliability.

This commit is contained in:
Andrea Dell'Amico 2016-11-09 18:40:42 +01:00
parent 6b6fb1c24f
commit e0bc74182b
2 changed files with 6 additions and 6 deletions
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1
postgresql/defaults/main.yml
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@ -127,6 +127,7 @@ pgpool_memqcache_memcached_host: localhost
pgpool_memqcache_memcached_port: 11211
pgpool_memqcache_expire: 0
pgpool_memqcache_auto_cache_invalidation: 'on'
pgpool_serialize_accept: 'off'
# HA and watchdog
pgpool_use_watchdog: 'off'
pgpool_wd_trusted_servers: 'localhost,localhost'

11
postgresql/templates/pgpool.conf.j2
View File

@ -213,6 +213,8 @@ reset_query_list = 'ABORT; DISCARD ALL'
# The following one is for 8.2 and before
#reset_query_list = 'ABORT; RESET ALL; SET SESSION AUTHORIZATION DEFAULT'
serialize_accept = {{ pgpool_serialize_accept }}
#------------------------------------------------------------------------------
# REPLICATION MODE
@ -470,7 +472,7 @@ delegate_IP = '{{ pgpool_virtual_ip }}'
# delegate IP address
# If this is empty, virtual IP never bring up.
# (change requires restart)
ifconfig_path = '/sbin'
if_cmd_path = '/sbin'
# ifconfig command path
# (change requires restart)
if_up_cmd = 'ip_script addr add {{ pgpool_virtual_ip }}/{{ pgpool_virtual_netmask }} dev {{ ansible_default_ipv4.alias }}'
@ -496,9 +498,10 @@ clear_memqcache_on_escalation = on
# This should be off if client connects to pgpool
# not using virtual IP.
# (change requires restart)
wd_escalation_command = ''
wd_escalation_command = 'date >> {{ psql_log_dir }}/wd_pgpool_escalation.log'
# Executes this command at escalation on new active pgpool.
# (change requires restart)
wd_de_escalation_command = 'date >> {{ psql_log_dir }}/wd_pgpool_de_escalation.log'
# - Lifecheck Setting -
@ -542,10 +545,6 @@ heartbeat_device0 = ''
# and pgpool has root privilege.
# (change requires restart)
#heartbeat_destination1 = 'host0_ip2'
#heartbeat_destination_port1 = 9694
#heartbeat_device1 = ''
{% else %}
# -- query mode --