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On Thu, Dec 10, 2009 at 04:41:42PM +0800, Xiaotian Feng wrote:
> commit 9d3a0de makes slaves expire as they would do on the master
> with much shorter timeouts. But it introduces another problem:
> When we close a connection, on master server the connection became
> CLOSE_WAIT/TIME_WAIT, it was synced to slaves, but if master is
> finished within it's timeouts (CLOSE), it will not be synced to
> slaves. Then slaves will be kept on CLOSE_WAIT/TIME_WAIT until
> timeout reaches. Thus we should also sync with CLOSE.
>
> Signed-off-by: Xiaotian Feng <dfeng@xxxxxxxxxx>
> Cc: Wensong Zhang <wensong@xxxxxxxxxxxx>
> Cc: Simon Horman <horms@xxxxxxxxxxxx>
> Cc: Julian Anastasov <ja@xxxxxx>
> Cc: David S. Miller <davem@xxxxxxxxxxxxx>
This seems reasonable to me.
Acked-by: Simon Horman <horms@xxxxxxxxxxxx>
> ---
> net/netfilter/ipvs/ip_vs_core.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
> index b95699f..847ffca 100644
> --- a/net/netfilter/ipvs/ip_vs_core.c
> +++ b/net/netfilter/ipvs/ip_vs_core.c
> @@ -1366,6 +1366,7 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb,
> == sysctl_ip_vs_sync_threshold[0])) ||
> ((cp->protocol == IPPROTO_TCP) && (cp->old_state != cp->state) &&
> ((cp->state == IP_VS_TCP_S_FIN_WAIT) ||
> + (cp->state == IP_VS_TCP_S_CLOSE) ||
> (cp->state == IP_VS_TCP_S_CLOSE_WAIT) ||
> (cp->state == IP_VS_TCP_S_TIME_WAIT)))))
> ip_vs_sync_conn(cp);
> --
> 1.6.5.2
>
> --
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