[jira] [Assigned] (SPARK-8756) Keep cached information and avoid re-calculating footers in ParquetRelation2
[ https://issues.apache.org/jira/browse/SPARK-8756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Apache Spark reassigned SPARK-8756: --- Assignee: Apache Spark > Keep cached information and avoid re-calculating footers in ParquetRelation2 > > > Key: SPARK-8756 > URL: https://issues.apache.org/jira/browse/SPARK-8756 > Project: Spark > Issue Type: Bug > Components: SQL >Reporter: Liang-Chi Hsieh >Assignee: Apache Spark > > Currently, in ParquetRelation2, footers are re-read every time refresh() is > called. But we can check if it is possibly changed before we do the reading > because reading all footers will be expensive when there are too many > partitions. -- 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-8756) Keep cached information and avoid re-calculating footers in ParquetRelation2
[ https://issues.apache.org/jira/browse/SPARK-8756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Apache Spark reassigned SPARK-8756: --- Assignee: (was: Apache Spark) > Keep cached information and avoid re-calculating footers in ParquetRelation2 > > > Key: SPARK-8756 > URL: https://issues.apache.org/jira/browse/SPARK-8756 > Project: Spark > Issue Type: Bug > Components: SQL >Reporter: Liang-Chi Hsieh > > Currently, in ParquetRelation2, footers are re-read every time refresh() is > called. But we can check if it is possibly changed before we do the reading > because reading all footers will be expensive when there are too many > partitions. -- 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