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roctaiwan a écrit :
> Node 3 has not done subscribing so Node 4 can't subscribe? But it's not under
> my control to prioritize which node should subscribing first, it's all on
> one script, I run it and it suppose to do its job isn't it?
> 
> How can I fix this issue then?

You could wait before you issue the subscribe for Node 4.

You could also check in sl_subscribe to see if node 3 is active before using it
as a provider for node 4.

Maybe sthg in your setup script :

select sub_active from _$INSTANCE.sl_subscribe where sub_receiver=${NODE[$slv]}
and sub_set=$SETID

If sub_active is true, go on, and subscribe 4 to 3.

Regards,
- --
Stéphane Schildknecht
PostgreSQLFr - http://www.postgresql.fr
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