Hello Steven,
Unfortunately logical replication is a pg10+ feature. One more reason for upgrading from 9.6.10 :-)
Regards,
Haroldo Kerry
On Thu, May 30, 2019 at 1:23 PM Haroldo Kerry <hkerry@xxxxxxxxxxxxx> wrote:
Hello Steven,Thanks a lot for the idea, it had not thought about it.@Joshua @Tomas, thanks for clarifying why it doesn't work!Best regards,Haroldo KerryOn Thu, May 30, 2019 at 12:54 PM Steven Winfield <Steven.Winfield@xxxxxxxxxxxxxxxxx> wrote:>Has anyone been through this type of problem?
>
You could set up a new, empty db (with checksums enabled, etc.) on the new hardware and then use logical replication to sync across all the data from the existing cluster.
(This logical replica could be doing binary replication to hot standbys too, if you like).
When the sync has finished you could perhaps gradually shift read-only load over to the new db, and finally switch write load too - your downtime would then be limited to how long this final cut-over takes.
Steve.
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Haroldo Kerry CTO/COO Rua do Rócio, 220, 7° andar, conjunto 72 São Paulo – SP / CEP 04552-000 |
