[OPT] improve valid page counting routine.

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#3 [OPT] improve valid page counting routine.

Status: open

Owner: nobody

Labels: ASAST (6)

Priority: 5

Updated: 2010-06-11

Created: 2010-06-11

Private: No

ASAST calculates valid page count in log block group to choose victim log block.
Current version checks validity of all pages.

But valid page count can be done with managing valid page count in log blocks.