Re: streaming replication breaks horribly if master crashes

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Greg Stark" <gsstark(at)mit(dot)edu>,"Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Robert Haas" <robertmhaas(at)gmail(dot)com>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: streaming replication breaks horribly if master crashes
Date: 2010-06-16 23:16:14
Message-ID: 4C1914EE02000025000324D7@gw.wicourts.gov
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Greg Stark <gsstark(at)mit(dot)edu> wrote:

> TCP keepalives are for detecting broken network connections

Yeah. That seems like what we have here. If you shoot the OS in
the head, the network connection is broken rather abruptly, without
the normal packets exchanged to close the TCP connection. It sounds
like it behaves just fine except for not detecting a broken
connection.

-Kevin

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