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From aljoscha <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-2976] Allow to trigger checkpoints manu...
Date Mon, 07 Dec 2015 14:03:19 GMT
Github user aljoscha commented on the pull request:

    Very nice, I haven't yet gone through the code in detail but from the description and
doc it looks very good.
    One thing I was confused about is the naming of the config options:
    state.backend.savepoints: filesystem
    state.backend.savepoints.fs.dir: hdfs:///flink/savepoints
    I think this could confuse users into thinking that a different state backend is used
on the task manager to store the actual checkpoint data. If I'm not mistaken this is purely
a JobManager thing, though. Also, before the naming scheme for stuff in `state.backend` was
that `state.backend.x.y` was the setting of option `y` for state backend `x`. Now it looks
like there is a state backend `savepoints`. Maybe we could change this to:
    savepoints.state.backend: filesystem
    savepoints.state.backend.fs.dir: hdfs:///flink/savepoints
    to clarify that this is changing the state backend settings for the savepoints on the

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