DOC/MINOR: management: add missed -dR and -dv options
Add some description for missed -dR and -dv command line options in
the "3. Starting HAProxy" chapter.
Need to be backported in every stable version.
(cherry picked from commit 27623d8393a3187ca827f752efc1956cbb89cef5)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit b7c0f49d517443e74c2105577e709297eb806435)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit b7ec519198ae253173a28a33062226ef786802c5)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
diff --git a/doc/management.txt b/doc/management.txt
index afb9d51..68bd21b 100644
--- a/doc/management.txt
+++ b/doc/management.txt
@@ -353,6 +353,11 @@
the byte's value to -dM but using this option allows to disable/enable
use of a previously set value.
+ -dR : disable SO_REUSEPORT socket option on listening ports. It is equivalent
+ to the "global" section's "noreuseport" keyword. This may be applied in
+ multi-threading scenarios, when load distribution issues observed among the
+ haproxy threads (could be monitored with top).
+
-dS : disable use of the splice() system call. It is equivalent to the
"global" section's "nosplice" keyword. This may be used when splice() is
suspected to behave improperly or to cause performance issues, or when
@@ -402,6 +407,12 @@
the libc fails to resolve an address, the startup sequence is not
interrupted.
+ -dv : disable the use of the "evports" poller. It is equivalent to the
+ "global" section's keyword "noevports". It is mostly useful when suspecting
+ a bug related to this poller. On systems supporting event ports (SunOS
+ derived from Solaris 10 and later), the fallback will generally be the
+ "poll" poller.
+
-m <limit> : limit the total allocatable memory to <limit> megabytes across
all processes. This may cause some connection refusals or some slowdowns
depending on the amount of memory needed for normal operations. This is
@@ -4452,4 +4463,3 @@
group allowed to access the CLI so that nobody may access it :
stats socket /var/run/haproxy.stat uid hatop gid hatop mode 600
-