We recently had two cases where the disk of SPs (2.5.3) were filling up with *.json files in /var/cache/shibboleth. Each file being almost 1M and several metadata changes a day, this consumes quite some unnecessary space. It seems like the old .json files are not deleted properly.
Scott Cantor January 28, 2014 at 3:14 PM
Thanks. I actually thought it was just orphaning some due to the race condition that's unavoidable in the code, but it did seem like an awful lot.
Fixed
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The DiscoveryFeed doesn't correctly remove old cache files. While trying to remove cache files, the suffix ".json" is not added to the filenames.
(This problem may fill up the disks from time to time.)
The attached patch should solve the problem.