Re: [Testperf-general] Re: ExclusiveLock

On Thu, 2004-11-18 at 23:54, Tom Lane wrote:
> I don't think so; WAL is inherently a linear log.  (Awhile ago there was
> some talk of nonlinear log writing to get around the one-commit-per-
> disk-revolution syndrome, but the idea basically got rejected as
> unworkably complicated.)  

...this appears to still be on the TODO list... should it be removed?

- Find a way to reduce rotational delay when repeatedly writing last WAL
page 

Currently fsync of WAL requires the disk platter to perform a full
rotation to fsync again. One idea is to write the WAL to different
offsets that might reduce the rotational delay. 

-- 
Best Regards, Simon Riggs