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Fixes #352 |
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isn't this going to drop versions to keep?
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Don't you want filterNot(keepers)? (note set extends function so that is legit.
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True, good catch -- Also do we actually need cleanup? I don't see it called.
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Looks great! Thanks for porting this! |
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You are right. The HDFSState never writes that a job is running to prevent two from running at the same time. That would be really nice: try to create a file, and if that file is more recent than a threshold (to prevent a crash from deadlocking us), we stop in prepare. Else, we have created a file, and then we go on. We didn't handle that yet: |
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@johnynek Looking at how we were using this, there's no locking/state written out. Does it need it/do we have it somewhere else?