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Hello,
On Mon, 27 Sep 2010, John Sullivan wrote:
I backed out my patch and tried this instead.
It does appear to fix the 100% SI problem, but creates a new
one. Under my test load (fire 100 simultaneous HTTPS requests using
wget at the load-balanced address), all the wgets hang, and netstat
on the backup server shows all 100 connections in this state:
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 113 0 lb-addr:443 ext-host:49914 ESTABLISHED -
It looks to me like packets on those connections are now just being
discarded (even when they shouldn't be).
Sorry for the delay. I'm attaching new patch for
testing. You should apply it on backup server. For your
setup only the last hunk in patch is needed. One of the
changes will keep the forwarding methods as specified,
may be you will not see "Local" real servers. If this is
a problem for you let me know. You can test then only
the last change in ip_vs_dr_xmit. Attached patch is for
2.6.35. It allows backup server after being used as
DR/TUN server in master to forward locally the packets
for connections created after sync.
Regards
--
Julian Anastasov <ja@xxxxxx>
local_rs3.diff
Description: Support backup as DR in master
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