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Fei Wang edited comment on SPARK-17556 at 9/23/16 1:15 PM: ----------------------------------------------------------- [~rxin] attached a design doc for the executor based broadcast. Will soon file a PR for this. [~viirya] We have a executor based broadcast implementation in our inner product system which is based on the design doc i attached. Now we are contributing it to opensource, Can you help to review this, thanks. was (Author: scwf): [~rxin] attached a design doc for the executor based broadcast. Will soon file a PR for this. [~viirya] We have a executor based broadcast implementation in our inner produce system which is based on the design doc i attached. Now we are contributing it to opensource, Can you help to review this, thanks. > Executor side broadcast for broadcast joins > ------------------------------------------- > > Key: SPARK-17556 > URL: https://issues.apache.org/jira/browse/SPARK-17556 > Project: Spark > Issue Type: New Feature > Components: Spark Core, SQL > Reporter: Reynold Xin > Attachments: executor broadcast.pdf > > > Currently in Spark SQL, in order to perform a broadcast join, the driver must > collect the result of an RDD and then broadcast it. This introduces some > extra latency. It might be possible to broadcast directly from executors. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org