How i can know if the parcels files should has sha or sha1 signature? When Spark2 will be part of CDH4 parcels, which version? currently i have 1.6, when i add 2.0 will the spark history server be 2.0 also? if i used 2.0 parcels, which one will be the active one on the cluster 1.6 or 2.0?
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