Adding upstream version 5.7.1.upstream/5.7.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/utils/cache_gc/README.rst b/utils/cache_gc/README.rst
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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