From: Michal Nowak <mnowak@isc.org>
Date: Wed, 7 Jun 2023 12:03:01 +0000 (+0200)
Subject: Set max-cache-size expectations for low values
X-Git-Tag: v9.19.14~3^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1afde574e9e16f15986e991fd17b570d8ecaf8ba;p=thirdparty%2Fbind9.git

Set max-cache-size expectations for low values
---

diff --git a/doc/arm/reference.rst b/doc/arm/reference.rst
index 7aea96ea13b..2aab7a6a9d1 100644
--- a/doc/arm/reference.rst
+++ b/doc/arm/reference.rst
@@ -3772,6 +3772,11 @@ system.
        default value of that option (90% of physical memory for each
        individual cache) may lead to memory exhaustion over time.
 
+   .. note::
+
+       :any:`max-cache-size` does not work reliably for the maximum
+       amount of memory of 100 MB or lower.
+
    Upon startup and reconfiguration, caches with a limited size
    preallocate a small amount of memory (less than 1% of
    :any:`max-cache-size` for a given view). This preallocation serves as an