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ipvs: Document sysctl sync_qlen_max and sync_sock_size

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Document sysctl sync_qlen_max and sync_sock_size based on
commit 1c003b1580e2 ("ipvs: wakeup master thread").

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
This commit is contained in:
Hangbin Liu 2017-02-20 16:31:36 +08:00 committed by Simon Horman
parent a2f346d82b
commit 237e5722bc
1 changed files with 14 additions and 0 deletions
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14
Documentation/networking/ipvs-sysctl.txt
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@ -217,6 +217,20 @@ 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 are 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)