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93 lines
3.2 KiB
Puppet
93 lines
3.2 KiB
Puppet
# postgres_appdb_tuned extends postgres_appdb_base by automatically
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# generating tuned database configuration.
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class zulip::postgres_appdb_tuned {
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include zulip::postgres_appdb_base
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$postgres_conf = "/etc/postgresql/${zulip::base::postgres_version}/main/postgresql.conf"
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if $zulip::base::release_name == 'trusty' {
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# tools for database setup
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$postgres_appdb_tuned_packages = ['pgtune']
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package { $postgres_appdb_tuned_packages: ensure => 'installed' }
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file { "${postgres_conf}.template":
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ensure => file,
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require => Package["postgresql-${zulip::base::postgres_version}"],
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owner => 'postgres',
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group => 'postgres',
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mode => '0644',
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content => template("zulip/postgresql/${zulip::base::postgres_version}/postgresql.conf.template.erb"),
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}
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$half_memory = $zulip::base::total_memory / 2
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$half_memory_pages = $half_memory / 4096
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file {'/etc/sysctl.d/40-postgresql.conf':
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ensure => file,
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owner => 'root',
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group => 'root',
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mode => '0644',
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content =>
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"kernel.shmall = ${half_memory_pages}
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kernel.shmmax = ${half_memory}
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# These are the defaults on newer kernels
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vm.dirty_ratio = 10
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vm.dirty_background_ratio = 5
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"
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}
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exec { 'sysctl_p':
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command => '/sbin/sysctl -p /etc/sysctl.d/40-postgresql.conf',
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subscribe => File['/etc/sysctl.d/40-postgresql.conf'],
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refreshonly => true,
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}
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exec { 'pgtune':
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require => Package['pgtune'],
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# Let Postgres use half the memory on the machine
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command => "pgtune -T Web -M ${half_memory} -i ${postgres_conf}.template -o ${postgres_conf}",
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refreshonly => true,
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subscribe => File["${postgres_conf}.template"]
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}
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exec { "pg_ctlcluster ${zulip::base::postgres_version} main restart":
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require => Exec['sysctl_p'],
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refreshonly => true,
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subscribe => [ Exec['pgtune'], File['/etc/sysctl.d/40-postgresql.conf'] ]
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}
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} else {
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$half_memory = $zulip::base::total_memory / 2
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$half_memory_pages = $half_memory / 4096
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$work_mem = $zulip::base::total_memory_mb / 512
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$shared_buffers = $zulip::base::total_memory_mb / 8
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$effective_cache_size = $zulip::base::total_memory_mb * 10 / 32
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$maintenance_work_mem = $zulip::base::total_memory_mb / 32
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$random_page_cost = zulipconf('postgresql', 'random_page_cost', undef)
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$effective_io_concurrency = zulipconf('postgresql', 'effective_io_concurrency', undef)
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$replication = zulipconf('postgresql', 'replication', undef)
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$listen_addresses = zulipconf('postgresql', 'listen_addresses', undef)
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$ssl_cert_file = zulipconf('postgresql', 'ssl_cert_file', undef)
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$ssl_key_file = zulipconf('postgresql', 'ssl_key_file', undef)
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$ssl_ca_file = zulipconf('postgresql', 'ssl_ca_file', undef)
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file { $postgres_conf:
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ensure => file,
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require => Package["postgresql-${zulip::base::postgres_version}"],
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owner => 'postgres',
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group => 'postgres',
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mode => '0644',
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content => template("zulip/postgresql/${zulip::base::postgres_version}/postgresql.conf.template.erb"),
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}
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exec { "pg_ctlcluster ${zulip::base::postgres_version} main restart":
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require => Package["postgresql-${zulip::base::postgres_version}"],
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refreshonly => true,
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subscribe => [ File[$postgres_conf] ]
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}
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}
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}
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