Github user koeninger commented on the pull request: https://github.com/apache/spark/pull/3798#issuecomment-71120030 Yeah, it's pulled down every batch interval. That way you know exactly what the upper and lower bounds of the offsets are. On Thu, Jan 22, 2015 at 5:15 PM, Hari Shreedharan <notificati...@github.com> wrote: > I like this! I didn't try building it, but the logic is great! > > So, to sum up the idea - the key detail here is that the checkpoint > contains the metadata to regenerate the RDDs, thus original order and > batches are recovered. That looks good - it was the same thing I was trying > to see if we could do in the Kafka receiver, but it would be difficult > without some API changes. > > That brings me to a question - so in this PR, is the data pulled down from > Kafka only once every batch interval - say every 2 seconds, or is there a > way to generate it continuously rather than have spikes? > > â > Reply to this email directly or view it on GitHub > <https://github.com/apache/spark/pull/3798#issuecomment-71119114>. >
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