(cloudstack-documentation) branch 4.19 updated: note on the possibility of duplicate alerts (#487)

[da...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

dahn pushed a commit to branch 4.19
in repository https://gitbox.apache.org/repos/asf/cloudstack-documentation.git


The following commit(s) were added to refs/heads/4.19 by this push:
     new b1d25b3  note on the possibility of duplicate alerts (#487)
b1d25b3 is described below

commit b1d25b31b6a84271664fc37543f9f967c035d02c
Author: dahn <da...@onecht.net>
AuthorDate: Wed Mar 26 13:01:59 2025 +0100

    note on the possibility of duplicate alerts (#487)
    
    Co-authored-by: NuxRo <nu...@li.nux.ro>
---
 source/adminguide/events.rst | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/source/adminguide/events.rst b/source/adminguide/events.rst
index 7766973..d25fa40 100644
--- a/source/adminguide/events.rst
+++ b/source/adminguide/events.rst
@@ -59,6 +59,14 @@ machine on the event bus. All the CloudStack events (alerts, action
 events, usage events) and the additional category of resource state
 change events, are published on to the events bus.
 
+.. note::
+   Alerts for some more important events will be sent multiple
+   times. This is due to the nature of guarding
+   certain resources from multiple threads in the code, to make sure
+   that events are not missed. Examples are "Host down" or
+   "HA starting VM". These are considered too important to not send
+   immediately and hence a check if they are already queued can not be done.
+
 Implementations
 ~~~~~~~~~~~~~~~
 An event bus is introduced in the