[ https://issues.apache.org/jira/browse/SPARK-32460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon resolved SPARK-32460. ---------------------------------- Resolution: Invalid > how spark collects non-match results after performing broadcast left outer > join > ------------------------------------------------------------------------------- > > Key: SPARK-32460 > URL: https://issues.apache.org/jira/browse/SPARK-32460 > Project: Spark > Issue Type: Question > Components: Spark Core, SQL > Affects Versions: 2.4.0 > Reporter: farshad delavarpour > Priority: Major > > Does anybody know how spark collects non-match results after performing > broadcast hash left outer join? > Suppose we have 4 nodes. 1 driver and 3 executors. We broadcast the left > table. After left outer join is performed in each executor, how does spark > recognize which records have not been matched, and how does it collect them > to the final result? -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org