Yes, the 2.0 history server should be backwards compatible. On Fri, Aug 5, 2016 at 2:14 PM, Koert Kuipers <ko...@tresata.com> wrote: > we have spark 1.5.x, 1.6.x and 2.0.0 job running on yarn > > but yarn can have only one spark history server. > > what to do? is it safe to use the spark 2 history server to report on spark > 1 jobs?
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