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From Apache Wiki <wikidi...@apache.org>
Subject [Db-derby Wiki] Update of "DerbyLruCacheManager" by GokulSoundararajan
Date Sat, 10 Jun 2006 14:17:26 GMT
Dear Wiki user,

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The following page has been changed by GokulSoundararajan:

  '''Mentor:''' Oystein Grovlen
  == Overview ==
+ In databases, caching plays an important role in performance. To obtain high performance,
we need to cache pages from disk in memory to reduce access time. The problem stated is that
the existing replacement algorithm performs poorly so we need to research new algorithms for
page replacement and implement it in Apache Derby. The benefit of a better algorithm is improved
+ In this project, I first have to look at existing work to quantify the different replacement
algorithms used in databases. From these, I (with my mentor's help) need decide which one
suits well with the workloads people run on Apache Derby. After selecting the algorithm, I
will implement it in Derby. In addition, I will implement unit tests. Finally, I will perform
experiments showing the benefit of the new algorithm over the existing algorithm.
  == Schedule ==

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