Whether or not to optimize multi team by question to create one M/R position system. Should the multi group by query has typical team by keys, it will be optimized to produce just one M/R task. (This configuration house was taken out in release 0.nine.0.)Creates vital schema with a startup if just one isn't going to exist. Reset this to Untrue,
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This flag ought to be established to legitimate to empower vectorizing rows employing vector deserialize. The default value is fake.Determine the encoding technique to use while crafting knowledge. Transforming this may only have an affect on The sunshine weight encoding for integers. This flag will not alter the compression amount of greater