Messages in this thread | | | From | Daniel Phillips <> | Subject | Re: ext3-0.0.2e released | Date | Wed, 02 Aug 2000 11:41:48 +0200 |
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"Juan J. Quintela" wrote: > > Daniel Phillips writes: > > > Phase tree is my terminology. In my previous post I failed to mention a much > > bigger reason why phase tree is not shadow paging: phase tree does not use a > > shadow page table. Instead, it uses a tree where the differences between one > > commit phase and the next generate a minimal set of new nodes, and only these > > need to be written to disk. > > If you have a good implementation of shadow paging, you are supposed > to write to disk the minimun amount of data possible, i.e. only the > things that have changed/are new. The method of writing the new data > to free blocks and then change only the root is a known and used > mechanism in shadow page implementations.
Perhaps you could point me to a description of such an implementation?
-- Daniel
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