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  • Committer: Robert Collins
  • Date: 2009-07-17 06:04:35 UTC
  • mto: This revision was merged to the branch mainline in revision 4557.
  • Revision ID: robertc@robertcollins.net-20090717060435-6zvbwl3j5o2a7u2p
https://launchpad.net/bugs/367632
Add interface enforcement for the behaviour of iter_changes with missing subtrees with explicit paths - the whole subtree is returned.

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doc/scalability.txt
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***********
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Scalability
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bzr needs to scale up very well: projects with tens of thousands of
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commits, tens of thousands of files, and tens of thousands of
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branches.
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We are concerned with both the big-O performance of the design, and
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the multiplicative factors of the implementation.  Both is important.
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For example, darcs, svn and arch use more than one inode per working
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file (pristine, id file, etc).  This is only a constant factor, but
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enough to more than double the space used by a typical tree.  We would
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like to avoid it if we can.
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From a early stage in development the features which do work should be
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tested on large trees.
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