Clean up old cache files #1961
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Clean up old cache files #1961
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Uptill now we were using tmp files to store machine hash caches, but this create a problem that if the node terminates for some reason all the cache that we have build till now, will be deleted, so to avoid this issue we will be using persistent files space so that the cache is present even after restart.
This creates another issue that the cache will keep on growing forever, so to avoid this issue, we are adding a cleanup mechanism which will delete any files under the cache directory which has not been modified for the last 14 days (equal to the challenge duration).