@Override
  public void initialize() throws Exception {
    UserPayload userPayload = getContext().getUserPayload();
    this.conf = TezUtils.createConfFromUserPayload(userPayload);
  }
A simple sleep processor implementation that sleeps for the configured
time in milliseconds.

@see Configuration for configuring the HivePreWarmProcessor
ql/src/java/org/apache/hadoop/hive/ql/exec/tez/HivePreWarmProcessor.java