doc: Add a performance note for log filtering

Add a not under the log-filter command to indicate
that, while filtering reduces load on the system by
large margins, there may still be a small performance
hit from filtering those.

Signed-off-by: Stephen Worley <sworley@cumulusnetworks.com>
This commit is contained in:
Stephen Worley 2019-06-25 10:49:43 -04:00
parent 8ad7c5c2e7
commit 018fa5f85d

View File

@ -199,6 +199,13 @@ Basic Config Commands
will only be printed if it matches on one of the filters in the log-filter
table. Can be daemon independent.
.. note::
Log filters help when you need to turn on debugs that cause significant
load on the system (enabling certain debugs can bring FRR to a halt).
Log filters prevent this but you should still expect a small performance
hit due to filtering each of all those logs.
.. index:: log-filter clear [DAEMON]
.. clicmd:: log-filter clear [DAEMON]