Every transformation on a dstream will create another dstream. You may want to take a look at foreachrdd? Also, kindly share your code so people can help better On 6 May 2015 17:54, "anshu shukla" <anshushuk...@gmail.com> wrote:
> Please help guys, Even After going through all the examples given i have > not understood how to pass the D-streams from one bolt/logic to other > (without writing it on HDFS etc.) just like emit function in storm . > Suppose i have topology with 3 bolts(say) > > *BOLT1(parse the tweets nd emit tweet using given > hashtags)=====>Bolt2(Complex logic for sentiment analysis over > tweets)=======>BOLT3(submit tweets to the sql database using spark SQL)* > > > Now since Sentiment analysis will take most of the time ,we have to > increase its level of parallelism for tuning latency. Howe to increase the > levele of parallelism since the logic of topology is not clear . > > -- > Thanks & Regards, > Anshu Shukla > Indian Institute of Sciences >