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storage/filesystem: check file object before using cache #1056

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merged 1 commit into from
Jan 30, 2019

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jfontan
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@jfontan jfontan commented Jan 30, 2019

If the cache is shared between several repositories getFromUnpacked can erroneously return an object from other repository.

This decreases performance a little bit as there's an extra fs operation when the object is in the cache but is correct when the cache is shared.

If the cache is shared between several repositories getFromUnpacked can
erroneously return an object from other repository.

This decreases performance a little bit as there's an extra fs operation
when the object is in the cache but is correct when the cache is shared.

Signed-off-by: Javi Fontan <jfontan@gmail.com>
@jfontan jfontan force-pushed the fix/lose-objects-shared-cache branch from 34cd3cb to 51b01ef Compare January 30, 2019 17:58
@jfontan jfontan requested a review from a team January 30, 2019 18:02
@mcuadros mcuadros merged commit a1f6ef4 into src-d:master Jan 30, 2019
@filipnavara
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filipnavara commented May 15, 2019

It makes me wonder why is it a problem that an object from another repository is returned. As long as the hash is the same you should be getting the same object. I also though that FSObject is never ending up in the cache which would pose a problem if the pack file was to disappear from the storage.

Nvm, I see the issue now.

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3 participants