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.. SPDX-License-Identifier: GPL-3.0-or-later
.. _garbage-collector:
Garbage Collector
-----------------
.. note:: When using systemd, ``kres-cache-gc.service`` is enabled by default
and does not need any manual configuration.
Knot Resolver employs a separate garbage collector daemon which periodically
trims the cache to keep its size below size limit configured using
:envvar:`cache.size`.
To execute the daemon manually, you can use the following command to run it
every second:
.. code-block:: bash
$ kres-cache-gc -c /var/cache/knot-resolver -d 1000
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