The shared library must be loaded.

defaults/main.yml

@@ -16,7 +16,7 @@ timescale_db_el_pkgs:
 timescaledb_configuration_settings:
   - { name: 'timescaledb.last_tuned', value: "'{{ ansible_date_time.date }}T{{ ansible_date_time.time }}{{ ansible_date_time.tz_offset }}'", set: 'True' }
 #  - { name: 'timescaledb.last_tuned_version', value: "'0.11.0'", set: 'True' }
-  - { name: 'timescaledb.max_background_workers', value: '{{ ansible_processor_vcpus * 2 }}', set: 'True' }
+  - { name: 'timescaledb.max_background_workers', value: '{{ ansible_processor_vcpus * 8 }}', set: 'True' }
   - { name: 'max_worker_processes', value: '{{ (ansible_processor_vcpus * 4) - 1 }}', set: 'True' }
   - { name: 'max_parallel_workers_per_gather', value: '{{ (ansible_processor_vcpus / 2) | int }}', set: 'True' }
   - { name: 'max_parallel_workers ', value: '{{ ansible_processor_vcpus }}', set: 'True' }
@@ -25,4 +25,3 @@ timescaledb_configuration_settings:
   - { name: 'checkpoint_completion_target', value: '0.9', set: 'True' }
   - { name: 'max_locks_per_transaction', value: '{{ ((ansible_memtotal_mb / 512) * ansible_processor_vcpus) | int }}', set: 'True' }
   - { name: 'effective_io_concurrency', value: '200', set: 'True' }
-

tasks/timescale_db_deb.yml

@@ -31,6 +31,15 @@
 - name: timescale_db_deb | Manage the timescale + postgresql settings
   tags: ['postgresql', 'postgres', 'pg_conf', 'timescale', 'timescaledb', 'timescale_conf']
   block:
+    - name: timescale_db_deb | Load the timescaleDB shared library
+      become: true
+      become_user: postgres
+      ansible.builtin.lineinfile:
+        path: "{{ psql_conf_dir }}/postgresql.conf"
+        regexp: "^#shared_preload_libraries\ ="
+        line: "shared_preload_libraries = 'timescaledb'"
+        create: false
+        state: present
     - name: timescale_db_deb | PostgreSQL settings for TimeScaleDB
       become: true
       become_user: postgres

tasks/timescale_db_el.yml

@@ -18,6 +18,15 @@
 - name: timescale_db_el | Manage the timescale + postgresql settings on EL based distributions
   tags: ['postgresql', 'postgres', 'pg_conf', 'timescale', 'timescaledb', 'timescale_conf']
   block:
+    - name: timescale_db_el | Load the timescaleDB shared library
+      become: true
+      become_user: postgres
+      ansible.builtin.lineinfile:
+        path: "{{ psql_el_conf_dir }}/postgresql.conf"
+        regexp: "^#shared_preload_libraries\ ="
+        line: "shared_preload_libraries = 'timescaledb'"
+        create: false
+        state: present
 
     - name: timescale_db_el | TimeScaleDB setting for postgresql on EL
       become: true