Why Does IDEA Index So Much?

I have a project with a large amount of dependencies.
Each time I change to a different version of this project e.g. in a different dir IDEA indexes again.

Doesn't IDEA keep a hash of the jar along with the index info to tell whether or not indexing is needed?

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If you have different project versions in different folders, IDEA should index them only once.

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Is there a cache limit size?
Maybe I am going over that and causing a re-index.
I am not seeing the behaviour you mention though.

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There is no cache limit for indexing.
Indexing is triggered on files update / adding or removing libraries / changing file types / plugins / indexing problems.
Please attach your idea.log files zipped, I'll try to provide more details for particular reason

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OK. I'll download v15 and wait for the issue to occur with that before posting.


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