From 1e7e69afae1cbea80e007a8b90686c387b8177fc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nicki=20K=C5=99=C3=AD=C5=BEek?= Date: Fri, 6 Sep 2024 14:03:28 +0200 Subject: [PATCH] Add Known Issue [#GL 4898] --- doc/notes/notes-9.20.2.rst | 12 +++++++++--- doc/notes/notes-known-issues.rst | 10 +++++++++- 2 files changed, 18 insertions(+), 4 deletions(-) diff --git a/doc/notes/notes-9.20.2.rst b/doc/notes/notes-9.20.2.rst index bc356073d1..6062bc95a2 100644 --- a/doc/notes/notes-9.20.2.rst +++ b/doc/notes/notes-9.20.2.rst @@ -98,6 +98,12 @@ Bug Fixes Known Issues ~~~~~~~~~~~~ -- There are no new known issues with this release. See :ref:`above - ` for a list of all known issues affecting this - BIND 9 branch. +- Long-running tasks in offloaded threads (e.g. the loading of RPZ zones + or processing zone transfers) may block the resolution of queries + during these operations and cause the queries to time out. + + To work around the issue, the ``UV_THREADPOOL_SIZE`` environment + variable can be set to a larger value before starting :iscman:`named`. + The recommended value is the number of RPZ zones (or number of + transfers) plus the number of threads BIND should use, which is + typically the number of CPUs. :gl:`#4898` diff --git a/doc/notes/notes-known-issues.rst b/doc/notes/notes-known-issues.rst index 3ee1928522..bc6832eced 100644 --- a/doc/notes/notes-known-issues.rst +++ b/doc/notes/notes-known-issues.rst @@ -14,4 +14,12 @@ Known Issues ------------ -- There are no known issues affecting this BIND 9 branch. +- Long-running tasks in offloaded threads (e.g. loading RPZ zones or + processing zone transfers) may block the resolution of queries during + these operations and cause the queries to time out. + + To work around the issue, the ``UV_THREADPOOL_SIZE`` environment + variable can be set to a larger value before starting :iscman:`named`. + The recommended value is the number of RPZ zones (or number of + transfers) plus the number of threads BIND should use, which is + typically the number of CPUs. :gl:`#4898`