On Tue, 5 Feb 2008, Simon Riggs wrote:
>> In the case of a bulk upload to an empty table (or partition?) could you
>> not optimise the WAL away? That is, shouldn't the WAL basically be a
>> simple transformation of the on-disk blocks? You'd have to explicitly
>> sync the file(s) for the table/indexes of course, and you'd need some
>> work-around for WAL shipping, but it might be worth it for you chaps
>> with large imports.
>
> Only by locking the table, which serializes access, which then slows you
> down or at least restricts other options. Plus if you use pg_loader then
> you'll find only the first few rows optimized and all the rest not.
Why would you need to lock the table?
Matthew
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