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Viewing changes to bzrlib/groupcompress.py

  • Committer: Andrew Bennetts
  • Date: 2009-08-26 05:39:00 UTC
  • mto: This revision was merged to the branch mainline in revision 4657.
  • Revision ID: andrew.bennetts@canonical.com-20090826053900-fhgikaxozhrvsfmj
Make BATCH_SIZE a global.

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bzrlib/groupcompress.py
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    VersionedFiles,
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    )
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# Minimum number of uncompressed bytes to try fetch at once when retrieving
 
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# groupcompress blocks.
 
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BATCH_SIZE = 2**16
 
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_USE_LZMA = False and (pylzma is not None)
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# osutils.sha_string('')
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_null_sha1 = 'da39a3ee5e6b4b0d3255bfef95601890afd80709'
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def sort_gc_optimal(parent_map):
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    """Sort and group the keys in parent_map into groupcompress order.
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        # Batch up as many keys as we can until either:
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        #  - we encounter an unadded ref, or
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        #  - we run out of keys, or
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        #  - the total bytes to retrieve for this batch > 256k
 
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        #  - the total bytes to retrieve for this batch > BATCH_SIZE
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        batcher = _BatchingBlockFetcher(self, locations)
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        BATCH_SIZE = 2**18
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        for source, keys in source_keys:
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            if source is self:
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                for key in keys: