Opened at 2015-10-02T20:20:54Z
Last modified at 2020-06-30T13:43:49Z
#2514 closed task
Magic Folder: consider possible "Magician's apprentice" problems — at Initial Version
| Reported by: | daira | Owned by: | daira |
|---|---|---|---|
| Priority: | normal | Milestone: | undecided |
| Component: | code-frontend-magic-folder | Version: | 1.10.1 |
| Keywords: | magic-folder error reliability availability denial-of-service | Cc: | |
| Launchpad Bug: |
Description
File synchronization systems are potentially vulnerable to "Magician's apprentice" problems where the work done to process a filesystem change (local or remote) triggers another filesystem change, ad infinitum.
We have already seen two bugs that could potentially cause this:
- uploads of "foo.backup", "foo.backup.backup", etc. before #2428 was implemented
- #2513 could also cause this problem if the node directory in question is for a server that is storing shares for the Magic Folder DMD.
Analyse the design for other similar cases.
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