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Re: [(catch-ext)] Re: Setting up streaming replication on large database (20+ TB) for the first time

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Thank you, people. The big problem in my case, which I have not mentioned, is that I think the network is a bottleneck, because I am running pg_basebackup through internet from local country to Amazon instance in Germany and the speed in copying is around 50 MB/sec max, that is why it takes 2 days for copying.

I will try using high compression for the basebackup to reduce the time.

pgbackrest is an alternative, too

Thank you again!



On Wed, Aug 17, 2022 at 11:13 PM Ivan N. Ivanov <ivan.ni@xxxxxxxxxxxxxxx> wrote:
Thank you for your answer! I have found this tool and I will try it tomorrow to see if this "read-ahead" feature will speed up the process.

On Wed, Aug 17, 2022 at 11:09 PM Christophe Pettus <xof@xxxxxxxxxxxx> wrote:


> On Aug 17, 2022, at 13:06, Ivan N. Ivanov <ivan.ni@xxxxxxxxxxxxxxx> wrote:
>
> How to speed up recovering of WAL files?

Since you are running on your own hardware, you might take a look at:

        https://github.com/TritonDataCenter/pg_prefaulter

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