xenserver: Renice netback process to priority 0 by default.

[openvswitch] / xenserver / etc_sysconfig_vswitch.example

diff --git a/xenserver/etc_sysconfig_vswitch.example b/xenserver/etc_sysconfig_vswitch.example
index 789d61ab13950347d62e6caf3bad9625ec26634f..ea8efe16a773943c67e10e67c4443baf5479a7e5 100644 (file)
--- a/xenserver/etc_sysconfig_vswitch.example
+++ b/xenserver/etc_sysconfig_vswitch.example
@@ -43,6 +43,13 @@
 #     processes.
 # VSWITCHD_PRIORITY=-5
 
+# VSWITCHD_NETBACK_PRIORITY: "nice" priority at which to run netback.
+#     It is a good idea to run ovs-vswitchd at a higher priority than
+#     netback to ensure that it gets enough CPU time to set up flows
+#     (bug #1656).  Set this to 'default' to avoid changing netback's
+#     priority.
+# VSWITCHD_NETBACK_PRIORITY=0
+
 # VSWITCHD_LOGFILE: File to send the FILE_LOGLEVEL log messages to.
 # VSWITCHD_LOGFILE=/var/log/ovs-vswitchd.log