Hi John,
Thanks for reply. In situations where slave is behind master, if I
don't start over, will it catch up automatically?
I am using 9.4 version.
On Mon, Nov 21, 2016 at 11:22 AM, John R Pierce <pierce@hogranch.com> wrote:
> On 11/20/2016 9:29 PM, Subhankar Chattopadhyay wrote:
>>
>> We have setup PostgreSQL master-slave topology with Streaming
>> replication setup.
>> One of the steps for setting up streaming replication is to do
>> pg_basebackup on slave from master.
>>
>> For subsequent update of this database, this step is repeated every
>> time, deleting the existing data copy of slave and running
>> pg_basebackup again.
>>
>> For a huge data size of over 500GB, it takes a lot of time to copy
>> the data from master to slave.
>> We were looking for some optimization technique so that it doesnt have
>> to copy the whole data in every update of the system.
>>
>> Is there a way to do that? Can somebody throw some light on this?
>
>
> if you have streaming replication, why do you delete it and start over ??!?
>
> the streaming replication should replicate all updates of the master in near
> realtime to the slave(s).
>
>
> --
> john r pierce, recycling bits in santa cruz
>
>
>
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--
Subhankar Chattopadhyay
Bangalore, India
