From: Andreas Herz <git@herzandreas.de>
Date: Thu, 20 Apr 2023 14:24:18 +0000 (+0200)
Subject: doc: add note on the hashsize recommendation for datasets
X-Git-Tag: suricata-6.0.12~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c9bde24756a50381919da1aeab9f1271548b8069;p=thirdparty%2Fsuricata.git

doc: add note on the hashsize recommendation for datasets

(cherry picked from commit 3045e75ee1d8196e8bcdb346bfad3b84b851d51a)
---

diff --git a/doc/userguide/rules/datasets.rst b/doc/userguide/rules/datasets.rst
index b248fe3f91..29696e7b2d 100644
--- a/doc/userguide/rules/datasets.rst
+++ b/doc/userguide/rules/datasets.rst
@@ -62,6 +62,7 @@ Example::
         memcap: 10mb
         hashsize: 1024
 
+.. note:: The `hashsize` should be close to the amount of entries in the dataset to avoid collisions. If it's set too low, this could result in rather long startup time.
 
 Rule keywords
 -------------