| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Two-phase commit issues |
| Date: | 2005-05-20 15:25:08 |
| Message-ID: | 200505201525.j4KFP8518206@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
Tom Lane wrote:
> I've started to look seriously at Heikki's patch for two-phase commit.
> There are a few issues that probably deserve discussion:
>
> * The major missing issue that I've come across so far is that
> subtransaction and multixact state isn't preserved across a crash.
I am a little confused by this. How does two-phase commit add extra
requirements on crash recovery? I understand a crashed server might be
involved in a two-phase commit, but doesn't the transaction just roll
back?
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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