private static LinkedHashMap buildParts(String... vals) {
    LinkedHashMap<String, String> ret = new LinkedHashMap<>();
    for (int i = 0; i < vals.length; i+=2) {
      ret.put(vals[i], vals[i+1]);
    }
    return ret;
  }
Test cases for proactive LLAP cache eviction.
llap-server/src/test/org/apache/hadoop/hive/llap/cache/TestProactiveEviction.java