# - Security and Authentication -
-ssl = true
+ssl = <%= @settings[:ssl] || @defaults[:ssl] %>
ssl_renegotiation_limit = 0
#------------------------------------------------------------------------------
maintenance_work_mem = <%= @settings[:maintenance_work_mem] || @defaults[:maintenance_work_mem] %>
max_stack_depth = <%= @settings[:max_stack_depth] || @defaults[:max_stack_depth] %>
+# - Asynchronous Behavior -
+
+effective_io_concurrency = <%= @settings[:effective_io_concurrency] || @defaults[:effective_io_concurrency] %>
+max_worker_processes = <%= @settings[:max_worker_processes] || @defaults[:max_worker_processes] %>
+<% if @version.to_f >= 9.6 -%>
+max_parallel_workers_per_gather = <%= @settings[:max_parallel_workers_per_gather] || @defaults[:max_parallel_workers_per_gather] %>
+<% end -%>
+<% if @version.to_f >= 10 -%>
+max_parallel_workers = <%= @settings[:max_parallel_workers] || @defaults[:max_parallel_workers] %>
+<% end -%>
+
#------------------------------------------------------------------------------
# WRITE AHEAD LOG
#------------------------------------------------------------------------------
# - Checkpoints -
+<% if @version.to_f < 9.5 -%>
checkpoint_segments = <%= @settings[:checkpoint_segments] || @defaults[:checkpoint_segments] %>
+<% end -%>
checkpoint_timeout = <%= @settings[:checkpoint_timeout] || @defaults[:checkpoint_timeout] %>
+<% if @version.to_f >= 9.5 -%>
+max_wal_size = <%= @settings[:max_wal_size] || @defaults[:max_wal_size] %>
+min_wal_size = <%= @settings[:min_wal_size] || @defaults[:min_wal_size] %>
+<% end -%>
checkpoint_completion_target = <%= @settings[:checkpoint_completion_target] || @defaults[:checkpoint_completion_target] %>
# - Archiving -
# - Sending Server(s) -
max_wal_senders = <%= @settings[:max_wal_senders] || @defaults[:max_wal_senders] %>
+<% if @version.to_f >= 9.4 -%>
+max_replication_slots = <%= @settings[:max_replication_slots] || @defaults[:max_replication_slots] %>
+<% end -%>
# - Standby Servers -
cpu_tuple_cost = <%= @settings[:cpu_tuple_cost] || @defaults[:cpu_tuple_cost] %>
effective_cache_size = <%= @settings[:effective_cache_size] || @defaults[:effective_cache_size] %>
+# - Other Planner Options -
+
+default_statistics_target = <%= @settings[:default_statistics_target] || @defaults[:default_statistics_target] %>
+<% if @version.to_f >= 12 -%>
+jit = <%= @settings[:jit] || @defaults[:jit] %>
+<% end -%>
+
#------------------------------------------------------------------------------
-# ERROR REPORTING AND LOGGING
+# REPORTING AND LOGGING
#------------------------------------------------------------------------------
# - When to Log -
log_line_prefix = '%t '
+#------------------------------------------------------------------------------
+# RUNTIME STATISTICS
+#------------------------------------------------------------------------------
+
+# - Query/Index Statistics Collector -
+
+track_activity_query_size = <%= @settings[:track_activity_query_size] || @defaults[:track_activity_query_size] %>
+stats_temp_directory = '/run/postgresql/<%= @version %>-main.pg_stat_tmp'
+
#------------------------------------------------------------------------------
# AUTOVACUUM PARAMETERS
#------------------------------------------------------------------------------
+log_autovacuum_min_duration = <%= @settings[:log_autovacuum_min_duration] || @defaults[:log_autovacuum_min_duration] %>
autovacuum_max_workers = <%= @settings[:autovacuum_max_workers] || @defaults[:autovacuum_max_workers] %>
+autovacuum_naptime = <%= @settings[:autovacuum_naptime] || @defaults[:autovacuum_naptime] %>
+autovacuum_vacuum_scale_factor = <%= @settings[:autovacuum_vacuum_scale_factor] || @defaults[:autovacuum_vacuum_scale_factor] %>
+autovacuum_analyze_scale_factor = <%= @settings[:autovacuum_analyze_scale_factor] || @defaults[:autovacuum_analyze_scale_factor] %>
+autovacuum_freeze_max_age = <%= @settings[:autovacuum_freeze_max_age] || @defaults[:autovacuum_freeze_max_age] %>
+autovacuum_multixact_freeze_max_age = <%= @settings[:autovacuum_multixact_freeze_max_age] || @defaults[:autovacuum_multixact_freeze_max_age] %>
#------------------------------------------------------------------------------
# CLIENT CONNECTION DEFAULTS
lc_numeric = 'en_GB.UTF-8'
lc_time = 'en_GB.UTF-8'
default_text_search_config = 'pg_catalog.english'
+
+# - Shared Library Preloading -
+
+shared_preload_libraries = '<%= (@settings[:shared_preload_libraries] || @defaults[:shared_preload_libraries]).sort.join(",") %>'
+
+#------------------------------------------------------------------------------
+# LOCK MANAGEMENT
+#------------------------------------------------------------------------------
+
+max_locks_per_transaction = <%= @settings[:max_locks_per_transaction] || @defaults[:max_locks_per_transaction] %>
+
+#------------------------------------------------------------------------------
+# CUSTOMIZED OPTIONS
+#------------------------------------------------------------------------------
+
+<% Hash(@settings[:customized_options]).sort.each do |name, value| -%>
+<%= name %> = <%= value %>
+<% end -%>