On Wed, 18 Mar 2009, Heikki Linnakangas wrote:
> A linked list or an array of in-progress writes was my first thought as well.
> But the real problem is: how does the reader wait until all WAL up to X have
> been written? It could poll, but that's inefficient.
Good point - waiting for an exclusive lock on a page is a pretty easy way
to wake up at the right time.
However, is there not some way to wait for a notify? I'm no C expert, but
in Java that's one of the most fundamental features of a lock.
Matthew
--
A bus station is where buses stop.
A train station is where trains stop.
On my desk, I have a workstation.