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Sped up the initial scanning for annexed files by 15%

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Avoids database querying overhead when the database is newly created.

In the large repository where git-annex init took 24 seconds, this sped it
up to 20.47 seconds, a speedup of around 15%.

Sponsored-by: Dartmouth College's DANDI project
This commit is contained in:
Joey Hess 2022-11-18 13:16:57 -04:00
parent a3e9a0ae27
commit 8fcee4ac9d
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4 changed files with 32 additions and 8 deletions
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doc/bugs/performance_regression__63___init_takes_times_more/comment_13_a79fcbe80060d11582989a9fc31d4a92._comment
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@ -12,4 +12,6 @@ This will need some care to be implemented safely...
I benchmarked it, and using insertUnique is no faster, but using insert is.
This would be a 15% speed up.
Update: Implemented this optimisation.
"""]]