How to use

cache

method

in

org.apache.crunch.PCollection

/**
 * Cache the underlying {@link PCollection}
 */
default LCollection<S> cache(CachingOptions options) {
  underlying().cache(options);
  return this;
}

/**
 * Cache the underlying {@link PCollection}
 */
default LCollection<S> cache() {
  underlying().cache();
  return this;
}