public class HashJoinHadoop2TezRuleRegistry extends RuleRegistry
HashJoin
pipes.
Detecting and optimizing for HashJoin pipes adds further complexity and time to converge on a valid physical plan.
If facing slowdowns, and no HashJoins are used, switch to the
NoHashJoinHadoop2TezRuleRegistry
via the appropriate
FlowConnector
constructor.Constructor and Description |
---|
HashJoinHadoop2TezRuleRegistry() |
addDefaultElementFactory, addElementFactory, addRule, enableDebugLogging, enabledResolveElements, equals, getElementFactory, getName, getProcessLevels, getRulesFor, hasElementFactory, hashCode, hasRule, restoreLogging, setResolveElementsEnabled
public HashJoinHadoop2TezRuleRegistry()
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