Re: Postgres Synchronous replication

From: Ravi Krishna <sravikrishna3(at)gmail(dot)com>
To: Felipe Santos <felipepts(at)gmail(dot)com>
Cc: Scott Ribe <scott_ribe(at)elevated-dev(dot)com>, "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Postgres Synchronous replication
Date: 2015-05-22 14:38:34
Message-ID: CACER=P2p4LTjN-JkWe+CW94fDAD8RrU0Orf5MgCwVh5uA9MLXg@mail.gmail.com
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> "does the remote harden the transaction on the disk"
>
> Yes, but it is surely written to the LOG FILES, there's no warranty that it
> has already been written to the DATA FILES, although that's not a problem,
> since LOG FILES are designed to be played forward in the case of a server
> crash, replaying the commited transactions to the data files.

By hardening I meant only the WAL logs and not the data files.

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