pg_basebackup running slow

From: Swapnil Vaze <swapvaze28(at)gmail(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: pg_basebackup running slow
Date: 2016-10-14 12:35:01
Message-ID: CABWf+yROOxwOf-6Vst95q5tzSeEB9gySee4=G6buMauR3ov2BQ@mail.gmail.com
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Hello,

We are using postgresql 9.2 on redhat linux instance over openstack cloud.

Database is around 441 GB.

We are using below command to take backup:

pg_basebackup -v -D /pgbackup/$bkupdir -Ft -z -c fast

Backup size created is around 84GB.

However, it is taking almost 10 hr 21 minutes to complete.

Looking for speed improvement?

Thanks& Regards,

Vaze Swapnil

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