If true, the topology will anchor tuples in all flatMap bolts and ack in the final sink bolt.
Options used by the flatMapping stage of a storm topology.
SinkParallelism controls the number of executors storm allocates to the groupAndSum bolts.
(Since version 0.2.5) Use com.twitter.summingbird.option.CacheSize
(Since version 0.2.6) Use com.twitter.summingbird.online.option.IncludeSuccessHandler
(Since version 0.2.6) Use com.twitter.summingbird.online.option.MaxWaitingFutures
(Since version 0.2.6) Use com.twitter.summingbird.online.option.OnlineExceptionHandler
(Since version 0.2.6) Use com.twitter.summingbird.online.option.OnlineSuccessHandler
(Since version 0.3.0) Use com.twitter.summingbird.option.SummerParallelism
(Since version 0.3.0) Use com.twitter.summingbird.option.SummerStormMetrics
This stupidity is necessary because val parameters can't be call-by-name.
See FlatMapOptions.