> 2019年5月31日(金) 6:53 Haroldo Kerry <[email protected]>:
>>> On Thu, May 30, 2019 at 12:54 PM Steven Winfield
>>> <[email protected]> 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.
> Hello Steven,
> Unfortunately logical replication is a pg10+ feature. One more reason for
> upgrading from 9.6.10 :-)
Have you looked at the pglogical extension from 2ndQuadrant?
https://github.com/2ndQuadrant/pglogical/tree/REL2_x_STABLE
Regards
Ian Barwick
--
Ian Barwick https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
