On Wed, 27 Jun 2007, ITAGAKI Takahiro wrote:

It might be good to use statistics information about buffer usage to modify X runtime.

I have a complete set of working code that tracks buffer usage statistics as the background writer scans, so that it has an idea what % of the buffer cache is dirty, how many pages have each of the various usage counts, that sort of thing. The problem was that the existing BGW mechanisms were so clumsy and inefficient that giving them more information didn't make them usefully smarter. I'll revive that code again if it looks like it may help here.

* Greg Smith [EMAIL PROTECTED] http://www.gregsmith.com Baltimore, MD

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