Re: High update activity, PostgreSQL vs BigDBMS

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On 2 Jan 2007, at 14:54, Ragnar wrote:

> On þri, 2007-01-02 at 09:04 -0500, Geoffrey wrote:
>> Alvaro Herrera wrote:
>>>
>>> Actually it has been suggested that a combination of ext2 (for
>>> WAL) and
>>> ext3 (for data, with data journalling disabled) is a good performer.
>>> AFAIK you don't want the overhead of journalling for the WAL
>>> partition.
>>
>> I'm curious as to why ext3 for data with journalling disabled? Would
>> that not be the same as ext2?
>
> I believe Alvaro was referring to ext3 with journalling enabled
> for meta-data, but not for data.
> I also believe this is the standard ext3 configuration, but I
> could be wrong on that.
>
> gnari
>
>
it doesn't really belong here but ext3 has
data journaled (data and meta data)
ordered (meta data journald but data written before meta data (default))
journald (meta data only journal)
modes.

The performance differences between ordered and meta data only
journaling should be very small enyway

- --

Viele Grüße,
Lars Heidieker

lars(at)heidieker(dot)de
http://paradoxon.info

- ------------------------------------

Mystische Erklärungen.
Die mystischen Erklärungen gelten für tief;
die Wahrheit ist, dass sie noch nicht einmal oberflächlich sind.
-- Friedrich Nietzsche

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