commit 62e1565e030e4ef2657799ce8c101e66a14dfd00
author Bartosz Kupidura <bkupidura@mirantis.com> Mon Aug 21 14:29:47 2017 +0200
committer Bartosz Kupidura <bkupidura@mirantis.com> Mon Aug 21 14:29:47 2017 +0200
tree c9d199eed179c3bc44623845692c4be8f4d57a60
parent 8e5826bf0e1b9db9a9a37d021101378f58d2c6e5

Set net.ipv4.tcp_tw_reuse, net.ipv4.tcp_tw_recycle

This is widly used by applications which generate
big ammount of tcp connections (ex. prometheus).

Change-Id: I7e7afcea1ada4ef18e7f5b26b89beea6a0ffe85d

linux/system/single.yml

diff --git a/linux/system/single.yml b/linux/system/single.yml
index e2a8502..928efda 100644
--- a/linux/system/single.yml
+++ b/linux/system/single.yml
@@ -35,6 +35,8 @@
           net.ipv4.neigh.default.gc_thresh2: 8192
           net.ipv4.neigh.default.gc_thresh3: 16384
           net.core.netdev_max_backlog: 261144
+          net.ipv4.tcp_tw_recycle: 1
+          net.ipv4.tcp_tw_reuse: 1
           kernel.panic: 60
       cpu:
         governor: performance