One need to see the amount of resources to run Lucene or its enterprise solution like Elasticsearch. So Java based solution work because enterprise can through

One need to see the amount of resources to run Lucene or its enterprise solution like Elasticsearch. So Java based solution work because enterprise can through lot of resources at it. But it does not mean they are efficient or faster. Else Java folks at Oracle wouldn't be spending decade long effort on flatter memory layout of Java objects.