On Thu, Jul 24, 2014 at 9:28 AM, Peter Geoghegan <p...@heroku.com> wrote:
> On Wed, Jul 23, 2014 at 8:52 PM, Amit Kapila <amit.kapil...@gmail.com>
> > As such there is no problem in saying the way you have mentioned, but
> > I feel it would be better if we can mention the mechanism of
> > as quoted by you upthread in the first line.
> > "> In more concrete terms, _bt_search() releases and only then acquires
> >> read locks during a descent of the tree (by calling
> >> _bt_relandgetbuf()), and, perhaps counterintuitively, that's just
> >> fine."
> I guess I could say that too.


> > One more point, why you think it is important to add this new text
> > on top?  I think adding new text after "Lehman and Yao don't require
> > locks, .." paragraph is okay.
> I've added it to the top because it's really the most important point
> on Lehman and Yao. It's the _whole_ point. Consider how it's
> introduced here, for example:
> http://db.cs.berkeley.edu/jmh/cs262b/treeCCR.html
> Why should I "bury the lead"?

I think even if you want to keep it at top, may be we could have another
heading like : Concurrency Considerations with Lehman & Yao Approach

However, I think we can leave this point for Committer to decide.

With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com

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