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IMHO there is no way to do this in a bullet-proof fashion.
The best bet is to minimize the impact of a failover.
I.e. any updates would be sent on a best effort basis,
without any attempts for guaranteed delivery.
Some connections will still get hosed, but you can
minimize the number.
The speed of lvs makes any other approach impractical.
>Essentially what is needed is for information about the affinity for a
>connection for a real server to be communicated to the standby. The trick
>is that this has to be done without impacting on performance.
/sG
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