[jira] [Assigned] (SPARK-17247) when fall back to hdfs is enabled for stats calculation, the hdfs listing and size calcuation should be terminated as soon as total size > broadcast threshold
[ https://issues.apache.org/jira/browse/SPARK-17247?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Apache Spark reassigned SPARK-17247: Assignee: Apache Spark > when fall back to hdfs is enabled for stats calculation, the hdfs listing and > size calcuation should be terminated as soon as total size > broadcast > threshold > -- > > Key: SPARK-17247 > URL: https://issues.apache.org/jira/browse/SPARK-17247 > Project: Spark > Issue Type: Bug >Reporter: Parth Brahmbhatt >Assignee: Apache Spark > > Currently when user enables spark.sql.statistics.fallBackToHdfs and no stats > are available from metastore we fall back to hdfs. This is useful join > optimization however this can slow things down. To speed up the operation we > could stop size calculation as soon as we hit the broadcast threshold as the > accuracy of size is not important. -- 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
[jira] [Assigned] (SPARK-17247) when fall back to hdfs is enabled for stats calculation, the hdfs listing and size calcuation should be terminated as soon as total size > broadcast threshold
[ https://issues.apache.org/jira/browse/SPARK-17247?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Apache Spark reassigned SPARK-17247: Assignee: (was: Apache Spark) > when fall back to hdfs is enabled for stats calculation, the hdfs listing and > size calcuation should be terminated as soon as total size > broadcast > threshold > -- > > Key: SPARK-17247 > URL: https://issues.apache.org/jira/browse/SPARK-17247 > Project: Spark > Issue Type: Bug >Reporter: Parth Brahmbhatt > > Currently when user enables spark.sql.statistics.fallBackToHdfs and no stats > are available from metastore we fall back to hdfs. This is useful join > optimization however this can slow things down. To speed up the operation we > could stop size calculation as soon as we hit the broadcast threshold as the > accuracy of size is not important. -- 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
