From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hangbin Liu Subject: [PATCH net 2/4] ipvs: Document sysctl sync_qlen_max and sync_sock_size Date: Fri, 17 Feb 2017 14:33:59 +0800 Message-ID: <1487313241-11361-3-git-send-email-liuhangbin@gmail.com> References: <1487313241-11361-1-git-send-email-liuhangbin@gmail.com> Cc: Simon Horman , netdev@vger.kernel.org, Marcelo Ricardo Leitner , Hangbin Liu To: lvs-devel@vger.kernel.org Return-path: Received: from mail-pf0-f196.google.com ([209.85.192.196]:35533 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755562AbdBQGel (ORCPT ); Fri, 17 Feb 2017 01:34:41 -0500 In-Reply-To: <1487313241-11361-1-git-send-email-liuhangbin@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: Document sysctl sync_qlen_max and sync_sock_size based on commit 1c003b1580e2 ("ipvs: wakeup master thread"). Signed-off-by: Hangbin Liu --- Documentation/networking/ipvs-sysctl.txt | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/networking/ipvs-sysctl.txt b/Documentation/networking/ipvs-sysctl.txt index 7acaaa6..7622ba5 100644 --- a/Documentation/networking/ipvs-sysctl.txt +++ b/Documentation/networking/ipvs-sysctl.txt @@ -217,6 +217,19 @@ sync_retries - INTEGER to protect against loss of sync messages. The range of the sync_retries is from 0 to 3. +sync_qlen_max - UNSIGNED LONG + + Hard limit for queued sync messages that not sent yet. It defaults to + 1/32 of the memory pages but actually represents number of messages. + It will protect us from allocating large parts of memory when the + sending rate is lower than the queuing rate. + +sync_sock_size - INTEGER + default 0 + + Configuration of SNDBUF (master) or RCVBUF (slave) socket limit. + Default value is 0 (preserve system defaults). + snat_reroute - BOOLEAN 0 - disabled not 0 - enabled (default) -- 2.5.5