MemoryError on commit with large file

Aaron Bentley aaron.bentley at utoronto.ca
Fri Oct 5 06:11:14 BST 2007


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Robert Collins wrote:
> This will work for most cases, and will address the number of copies
> problem substantially, but we may still fall down on merge, which is
> somewhat trickier to reduce memory usage on.

The main issue with merge is the sequence matching, and this also
affects diff.

If we can substitute shorter values for lines (e.g. hashes), we can
potentially reduce the memory footprint of sequence matching by an order
of magnitude.

Aaron

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