This is the documentation for Impala 2.1.x, included as part of CDH 5.3.x.
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V_CPU_CORES Query Option (CDH 5 only)

The number of per-host virtual CPU cores to request from YARN. If set, the query option overrides the automatic estimate from Impala. Used in conjunction with the Impala resource management feature in Impala 1.2 and higher and CDH 5.

Type: numeric

Default: 0 (use automatic estimates)

Page generated September 15, 2016.