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| author |   Julian Anastasov <ja@ssi.bg> | 2013-06-24 22:44:41 +0300 |
|---|---|---|
| committer |   Simon Horman <horms@verge.net.au> | 2013-06-26 18:01:46 +0900 |
| commit | 4d0c875dcc4923476f364e83912d134da2df224c (patch) | |
| tree | de662531facb4cd1629d0b2b9e8cac996a08a9be /Documentation/networking | |
| parent | ipvs: SH fallback and L4 hashing (diff) | |
| download | linux-dev-4d0c875dcc4923476f364e83912d134da2df224c.tar.xz linux-dev-4d0c875dcc4923476f364e83912d134da2df224c.zip | |
ipvs: add sync_persist_mode flag
Add sync_persist_mode flag to reduce sync traffic
by syncing only persistent templates.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Tested-by: Aleksey Chudov <aleksey.chudov@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/ipvs-sysctl.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/networking/ipvs-sysctl.txt b/Documentation/networking/ipvs-sysctl.txt index 9573d0c48c6e..7a3c04729591 100644 --- a/Documentation/networking/ipvs-sysctl.txt +++ b/Documentation/networking/ipvs-sysctl.txt @@ -181,6 +181,19 @@ snat_reroute - BOOLEAN always be the same as the original route so it is an optimisation to disable snat_reroute and avoid the recalculation. +sync_persist_mode - INTEGER + default 0 + + Controls the synchronisation of connections when using persistence + + 0: All types of connections are synchronised + 1: Attempt to reduce the synchronisation traffic depending on + the connection type. For persistent services avoid synchronisation + for normal connections, do it only for persistence templates. + In such case, for TCP and SCTP it may need enabling sloppy_tcp and + sloppy_sctp flags on backup servers. For non-persistent services + such optimization is not applied, mode 0 is assumed. + sync_version - INTEGER default 1 |