======================== Configuration Parameters

This section contains a list of properties that can be configured in scylla.yaml - the main configuration file for ScyllaDB. In addition, properties that support live updates (liveness) can be updated via the system.config virtual table or the :doc:REST API </operating-scylla/rest>.

Live update means that parameters can be modified dynamically while the server is running. If liveness of a parameter is set to true, sending the SIGHUP signal to the server processes will trigger ScyllaDB to re-read its configuration and override the current configuration with the new value.

Configuration Precedence

As the parameters can be configured in more than one place, ScyllaDB applies them in the following order with scylla.yaml parameters updated via SIGHUP having the highest priority:

#. Live update via scylla.yaml (with SIGHUP) or REST API #. system.config table #. command line options #. scylla.yaml

.. scylladb_config_list:: ../../db/config.hh ../../db/config.cc :template: db_config.tmpl :value_status: Used