On Thu, 9 Oct 2003, Vivek Khera wrote:
> >>>>> "SD" == Shridhar Daithankar <[EMAIL PROTECTED]> writes:
>
> SD> Do a shutdown -h on a live database machine with pg. It will
> SD> gracefully shut itself down.
>
>
> I think it is a timing issue. The PG has no way to notify the OS that
> it has finished exiting, so if it takes a long time to exit, the OS
> 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.
While it is possible to lose a non-committed transaction, WAL prevents the
database from becoming corrupted. Assuming proper fsyncing of your hard
drives (i.e. SCSI, or IDE with write cache disabled)
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