Documentation for keepalive parameters.

diff --git a/doc/config.txt b/doc/config.txt
index 41f1873dbb96e46ea0fd7ae8b6a3d9c0e2ff9388..4397f478d507f7a2ef53f88ada71e34f8945a7c2 100644 (file)
--- a/doc/config.txt
+++ b/doc/config.txt
@@ -127,6 +127,20 @@ or NULL then the parameter is disabled (a default value will be used)
 
        Do not use binary I/O for connections to this cluster.
 
+  keepalive_idle::
+
+       TCP keepalive - how long the connection needs to be idle,
+       before keepalive packets can be sent.  In seconds.
+
+  keepalive_interval::
+
+       TCP keepalive - interval between keepalive packets.  In seconds.
+
+  keepalive_count::
+
+       TCP keepalive - how many packets to send.  If none get answer,
+       connection will be close.
+
   connect_timeout::
 
        Initial connect is canceled, if it takes more that this.