lvs-devel
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To: | Andrew Sy Kim <kim.andrewsy@xxxxxxxxx> |
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Subject: | Re: [PATCHv2 net-next] ipvs: queue delayed work to expire no destination connections if expire_nodest_conn=1 |
Cc: | Julian Anastasov <ja@xxxxxx>, Wensong Zhang <wensong@xxxxxxxxxxxx>, Simon Horman <horms@xxxxxxxxxxxx>, lvs-devel@xxxxxxxxxxxxxxx, netfilter-devel@xxxxxxxxxxxxxxx |
From: | Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> |
Date: | Wed, 8 Jul 2020 18:12:45 +0200 |
On Wed, Jul 08, 2020 at 12:06:18PM -0400, Andrew Sy Kim wrote: > When expire_nodest_conn=1 and a destination is deleted, IPVS does not > expire the existing connections until the next matching incoming packet. > If there are many connection entries from a single client to a single > destination, many packets may get dropped before all the connections are > expired (more likely with lots of UDP traffic). An optimization can be > made where upon deletion of a destination, IPVS queues up delayed work > to immediately expire any connections with a deleted destination. This > ensures any reused source ports from a client (within the IPVS timeouts) > are scheduled to new real servers instead of silently dropped. Is this the same patch ? https://patchwork.ozlabs.org/project/netfilter-devel/patch/20200708135854.28944-1-kim.andrewsy@xxxxxxxxx/ Julian has "Signed-off-by:" previous patch and this v2 does not say what has been updated. Thanks. |
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