On 8/4/22 02:43, Sacheen Birhade wrote:

Hi All,

I have a very basic question about streaming replication feature of Postgres.

Let’s assume I have servers A, B, C, D, & E with postgres installed with streaming replication as follow:

A à B ( sync replication )

A à C ( async replication )

A à D ( async replication )

A à E ( async replication )

A is master & rest are slaves.

Now my question is:

Assume replication link between A & B may/may not stable.  If A goes down, how will I choose my new master from slaves? What are criteria to choose new master?


By "link between A & B may/may not stable", do you mean that B might not actually be synchronized?

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