[GitHub] janl commented on issue #1097: CouchDB 2.1.1: Compaction daemon - unable to calculate free space for `/run/user/0`: `enoent`

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janl commented on issue #1097: CouchDB 2.1.1: Compaction daemon - unable to calculate free space for `/run/user/0`: `enoent`
URL: https://github.com/apache/couchdb/issues/1097#issuecomment-371176976
 
 
   The problem here is that Erlang?s disksup module doesn?t nicely play with all the special file systems that Linux seems to keep gaining (I lost track a while ago).
   
   This time it is `/run/user/0` that fails to have an `{fs,ls}tat()` run on it and that bubbles up to the compaction daemon that has to loop through all mount points to match the one where `[couchdb] database_dir` is located, to check for available space to decide whether it is safe to compact.
   
   We could try and start adding an exclusion list, but that will require maintenance. We could start and try be more clever handling `file:get_link_info()` errors, but that too seems error prone. This is a harmless warning too, maybe we can demote this to `debug` level?

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