From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
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To: | Vivek Khera <khera(at)kcilink(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Humor me: Postgresql vs. MySql (esp. licensing) |
Date: | 2003-10-10 20:05:33 |
Message-ID: | 200310102005.h9AK5Xx08938@candle.pha.pa.us |
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Lists: | pgsql-general |
Vivek Khera wrote:
> >>>>> "sm" == scott marlowe <scott.marlowe> writes:
>
> >> will ungracefully kill the DB process(es). Doesn't matter what DB (or
> >> any other application) you're running, you *can* lose data this way.
>
> sm> While it is possible to lose a non-committed transaction, WAL prevents the
> sm> database from becoming corrupted. Assuming proper fsyncing of your hard
> sm> drives (i.e. SCSI, or IDE with write cache disabled)
>
> So you're saying it is not possible to corrupt the WAL if the process
> is ungracefully killed by the OS?
Yes, it is impossible, even if the OS crashes too.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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