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  • Committer: John Arbash Meinel
  • Date: 2008-09-21 14:01:24 UTC
  • mto: This revision was merged to the branch mainline in revision 3735.
  • Revision ID: john@arbash-meinel.com-20080921140124-kvoi3sdig2owjukf
Add a TODO discussing how our index requests should evolve.

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bzrlib/log.py
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    # Looking up keys in batches of 1000 can cut the time in half, as well as
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    # memory consumption. GraphIndex *does* like to look for a few keys in
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    # parallel, it just doesn't like looking for *lots* of keys in parallel.
 
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    # TODO: This code needs to be re-evaluated periodically as we tune the
 
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    #       indexing layer. We might consider passing in hints as to the known
 
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    #       access pattern (sparse/clustered, high success rate/low success
 
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    #       rate). This particular access is clustered with a low success rate.
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    get_parent_map = branch.repository.texts.get_parent_map
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    modified_text_revisions = set()
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    chunk_size = 1000