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plumbing: format/packfile, performance optimizations for reading large commit histories #963

Merged
merged 12 commits into from
Nov 28, 2018
Merged

plumbing: format/packfile, performance optimizations for reading large commit histories #963

merged 12 commits into from
Nov 28, 2018

Commits on Nov 26, 2018

  1. Avoid unnecessary seek calls that are determining offsets that are al… 

    …ready known or about to be thrown away anyway.

Signed-off-by: Filip Navara <[email protected]>
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    filipnavara committed Nov 26, 2018
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  2. Fix bufferedSeeker.Seek for SeekCurrent and non-zero offset. 

    Signed-off-by: Filip Navara <[email protected]>
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    filipnavara committed Nov 26, 2018
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  3. Add loose object cache. 

    Signed-off-by: Filip Navara <[email protected]>
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    filipnavara committed Nov 26, 2018
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  4. Search packfile indexes first if we already loaded them. 

    Signed-off-by: Filip Navara <[email protected]>
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    filipnavara committed Nov 26, 2018
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  5. Improve performace for reading many small objects from packfile by le… 

    …tting the I/O buffers be used better.

Signed-off-by: Filip Navara <[email protected]>
    @filipnavara
    filipnavara committed Nov 26, 2018
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  6. Fix infinite recursion in FSObject. 

    Signed-off-by: Filip Navara <[email protected]>
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    filipnavara committed Nov 26, 2018
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  7. Remove a cachePut that was adding FSObject to cache, which triggered … 

    …out-of-memory errors. This code path was never previously triggered for filesystem-based storage.

Signed-off-by: Filip Navara <[email protected]>
    @filipnavara
    filipnavara committed Nov 26, 2018
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  8. Combine deltaBaseCache and simpleObjectCache into one objectCache. 

    Signed-off-by: Filip Navara <[email protected]>
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    filipnavara committed Nov 26, 2018
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  9. Add smallObjectThreshold constant instead of magic number. 

    Signed-off-by: Filip Navara <[email protected]>
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    filipnavara committed Nov 26, 2018
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  10. Add simple tests for SeekObjectHeader. 

    Signed-off-by: Filip Navara <[email protected]>
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    filipnavara committed Nov 26, 2018
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  11. Fix build after rebase. 

    Signed-off-by: Filip Navara <[email protected]>
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    filipnavara committed Nov 26, 2018
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  12. Do not treat delta references as small objects that can be eagerly lo… 

    …aded.

Signed-off-by: Filip Navara <[email protected]>
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    filipnavara committed Nov 26, 2018
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