On Fri, Oct 27, 2006 at 10:11:08AM +0100, Simon Riggs wrote: > > Putting xl_prev to the end helps only for direct IO WAL sync methods, > > else we would need it on every page. > > [There is already an XLogRecPtr on each 8k page.]
Given that hardware sector size is still 512 bytes, should there be a way of detecting a missing 512 byte block in the middle of an 8K block. The idea of simply writing a serial counter every 512 bytes seems to be a good way to handle that... Have a nice day, -- Martijn van Oosterhout <firstname.lastname@example.org> http://svana.org/kleptog/ > From each according to his ability. To each according to his ability to > litigate.
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