FrederikP commented on issue #3500: NIFI-6322: Reuse evaluator stored in CompiledExpression when creating a query. URL: https://github.com/apache/nifi/pull/3500#issuecomment-496965777 > I'm just curious ;) In the Apache Metron project, we have a DSL, and we improved performance by doing something similar to what you have done here as well. > > https://github.com/apache/metron/blob/master/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/CachingStellarProcessor.java > > https://issues.apache.org/jira/browse/METRON-1520 > > I'm always interested in DSL's and evaluator things Ah gotcha. Yes we have an internal expression language in our company (closed source) and we have some experience on this as well and I was wondering why Nifi comes with some kind of preparation step, but doesn't really take much advantage of it. Let's see what others say.
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