diff options
| author | Susant Sahani <susant@redhat.com> | 2014-08-14 23:06:11 +0530 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2014-08-14 19:48:57 -0400 |
| commit | 209e9dcd7b2f23b68ff93bf20fad025bc03219ac (patch) | |
| tree | ceff338a43dc61ee102275f891e36d334d27a0ea /man/systemd.socket.xml | |
| parent | 1dbe0a6efda7b1d35957eab7e1d56a2c69d806d9 (diff) | |
socket: Add Support for TCP keep alive variables
The tcp keep alive variables now can be configured via conf
parameter. Follwing variables are now supported by this patch.
tcp_keepalive_intvl: The number of seconds between TCP keep-alive probes
tcp_keepalive_probes: The maximum number of TCP keep-alive probes to
send before giving up and killing the connection if no response is
obtained from the other end.
tcp_keepalive_time: The number of seconds a connection needs to be
idle before TCP begins sending out keep-alive probes.
Diffstat (limited to 'man/systemd.socket.xml')
| -rw-r--r-- | man/systemd.socket.xml | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/man/systemd.socket.xml b/man/systemd.socket.xml index 352825f58..5efb398b0 100644 --- a/man/systemd.socket.xml +++ b/man/systemd.socket.xml @@ -488,6 +488,42 @@ </varlistentry> <varlistentry> + <term><varname>KeepAliveTime=</varname></term> + <listitem><para>Takes time (in seconds) as argument . The connection needs to remain + idle before TCP starts sending keepalive probes. This controls the TCP_KEEPIDLE + socket option (see + <citerefentry><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry> + and the <ulink + url="http://www.tldp.org/HOWTO/html_single/TCP-Keepalive-HOWTO/">TCP + Keepalive HOWTO</ulink> for details.) + Defaults value is 7200 seconds (2 hours).</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>KeepAliveInterval=</varname></term> + <listitem><para>Takes time (in seconds) as argument between individual keepalive probes, + if the socket option SO_KEEPALIVE has been set on this socket seconds as argument. + This controls the TCP_KEEPINTVL socket option (see + <citerefentry><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry> + and the <ulink + url="http://www.tldp.org/HOWTO/html_single/TCP-Keepalive-HOWTO/">TCP + Keepalive HOWTO</ulink> for details.) + Defaults value is 75 seconds.</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>KeepAliveProbes=</varname></term> + <listitem><para>Takes interger as argument. It's the number of unacknowledged probes to + send before considering the connection dead and notifying the application layer. + This controls the TCP_KEEPCNT socket option (see + <citerefentry><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry> + and the <ulink + url="http://www.tldp.org/HOWTO/html_single/TCP-Keepalive-HOWTO/">TCP + Keepalive HOWTO</ulink> for details.) + Defaults value is 9.</para></listitem> + </varlistentry> + + <varlistentry> <term><varname>NoDelay=</varname></term> <listitem><para>Takes a boolean argument. TCP Nagle's algorithm works by combining a number of |