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Is Synchronous Postgresql Replication Slower Than Asynchronous?

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To: "'pgsql-general@xxxxxxxxxxxxxx'" <pgsql-general@xxxxxxxxxxxxxx>
Subject: Is Synchronous Postgresql Replication Slower Than Asynchronous?
From: Jerry Richards <jerry.richards@xxxxxxxxxxx>
Date: Fri, 20 Jan 2012 12:31:01 -0800
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Thread-topic: Is Synchronous Postgresql Replication Slower Than Asynchronous?

Is synchronous postgresql replication slower than asynchronous? If so, how much? I am looking into database replication for a phone system, so the response time is of concern.

Thanks,

Jerry

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