--- /dev/null
+default[:timescaledb][:cluster] = "12/main"
+default[:timescaledb][:max_background_workers] = 8
+
+database_version = node[:timescaledb][:cluster].split("/").first
+
+default[:apt][:sources] |= ["timescaledb"]
+
+memory_gb = (node[:memory][:total].to_f / 1024 / 1024).ceil
+
+default[:postgresql][:versions] |= [database_version]
+default[:postgresql][:settings][database_version][:max_connections] = 500
+default[:postgresql][:settings][database_version][:shared_buffers] = "#{memory_gb / 4}GB"
+default[:postgresql][:settings][database_version][:work_mem] = "#{memory_gb * 128 / 50 / node[:cpu][:total]}MB"
+default[:postgresql][:settings][database_version][:maintenance_work_mem] = "2GB"
+default[:postgresql][:settings][database_version][:effective_io_concurrency] = "200"
+default[:postgresql][:settings][database_version][:max_worker_processes] = node[:cpu][:total] + node[:timescaledb][:max_background_workers] + 3
+default[:postgresql][:settings][database_version][:max_parallel_workers_per_gather] = node[:cpu][:total] / 2
+default[:postgresql][:settings][database_version][:max_parallel_workers] = node[:cpu][:total]
+default[:postgresql][:settings][database_version][:wal_buffers] = "16MB"
+default[:postgresql][:settings][database_version][:max_wal_size] = "1GB"
+default[:postgresql][:settings][database_version][:min_wal_size] = "512MB"
+default[:postgresql][:settings][database_version][:checkpoint_completion_target] = "0.9"
+default[:postgresql][:settings][database_version][:random_page_cost] = "1.1"
+default[:postgresql][:settings][database_version][:effective_cache_size] = "#{memory_gb * 3 / 4}GB"
+default[:postgresql][:settings][database_version][:default_statistics_target] = "500"
+default[:postgresql][:settings][database_version][:autovacuum_max_workers] = "10"
+default[:postgresql][:settings][database_version][:autovacuum_naptime] = "10"
+default_unless[:postgresql][:settings][database_version][:shared_preload_libraries] = []
+default[:postgresql][:settings][database_version][:shared_preload_libraries] |= ["timescaledb"]
+default[:postgresql][:settings][database_version][:max_locks_per_transaction] = "512"
+default_unless[:postgresql][:settings][database_version][:customized_options] = {}
+default[:postgresql][:settings][database_version][:customized_options]["timescaledb.max_background_workers"] = node[:timescaledb][:max_background_workers]
--- /dev/null
+#
+# Cookbook:: timescaledb
+# Recipe:: default
+#
+# Copyright:: 2021, OpenStreetMap Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+include_recipe "apt"
+
+package %w[
+ timescaledb-tools
+ timescaledb-2-postgresql-12
+]
+
+include_recipe "postgresql"