System.out.println("--> Number of docs in index: " + COUNT);
System.out.println("--> Warmup...");
// run just the child query, warm up first
for (int j = 0; j < QUERY_WARMUP; j++) {
SearchResponse searchResponse = client.prepareSearch()
.setQuery(matchAllQuery())
.addFacet(histogramFacet("l_value").field("l_value").interval(4))
.addFacet(histogramFacet("date").field("date").interval(1000))
.execute().actionGet();
if (j == 0) {