Re: [HACKERS] LSN grouping within clog pages

2007-07-27 Thread Simon Riggs
On Thu, 2007-07-26 at 22:37 -0400, Tom Lane wrote: I've been looking at the way that the async-commit patch conserves shared memory space by remembering async commit LSNs for groups of transactions on a clog page, rather than having an LSN for each individual transaction slot. This seems

[HACKERS] LSN grouping within clog pages

2007-07-26 Thread Tom Lane
I've been looking at the way that the async-commit patch conserves shared memory space by remembering async commit LSNs for groups of transactions on a clog page, rather than having an LSN for each individual transaction slot. This seems like a good plan to me, but I'm confused about one point.