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  • Committer: John Arbash Meinel
  • Date: 2009-07-29 21:35:05 UTC
  • mfrom: (4576 +trunk)
  • mto: This revision was merged to the branch mainline in revision 4577.
  • Revision ID: john@arbash-meinel.com-20090729213505-tkqsvy1zfpocu75w
Merge bzr.dev 4576 in prep for NEWS

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bzrlib/chk_map.py
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# We are caching bytes so len(value) is perfectly accurate
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_page_cache = lru_cache.LRUSizeCache(_PAGE_CACHE_SIZE)
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def clear_cache():
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    _page_cache.clear()
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# If a ChildNode falls below this many bytes, we check for a remap
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_INTERESTING_NEW_SIZE = 50
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# If a ChildNode shrinks by more than this amount, we check for a remap