Timescale allows you to customize many Timescale and PostgreSQL configuration options for each Service individually. Most configuration values for a service are initially set in accordance with best practices given the compute and storage settings of the service. Any time you increase or decrease the compute for a Service, the most essential values are set to reflect the size of the new service.
You can modify most parameters without restarting the Timescale service. However, some changes do require a restart, resulting in some brief downtime that is usually about 30 seconds. An example of a change that needs a restart is modifying the compute resources of a running service.
To modify configuration parameters, first select the Service that you want to
modify. This displays the
service details, with these tabs across the top:
Overview, Explorer, Operations, Metrics, and Logs. Select
Common parameters tab, you can modify a limited set of the
parameters that are most often modified in a Timescale or PostgreSQL instance.
To modify a configured value, hover over the value and click the revealed pencil
icon. This reveals an editable field to apply your change. Clicking anywhere
outside of that field saves the value to be applied.
The values for some of the parameters vary depending on the plan. For example, the value for
max_connections is exactly 25 in the smallest compute tier, but ranges from 25 to 500 in higher compute tiers.
When you have modified the configuration parameters that you would like to
Apply changes. For some changes, such as
timescaledb.max_background_workers, the service needs to be restarted. In this
case, the button reads
Apply changes and restart.
A confirmation dialog is displayed which indicates whether a restart is
Confirm to apply the changes, and restart if necessary.
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