Chris Westin created DRILL-3874: ----------------------------------- Summary: flattening large JSON objects consumes too much direct memory Key: DRILL-3874 URL: https://issues.apache.org/jira/browse/DRILL-3874 Project: Apache Drill Issue Type: Bug Components: Execution - Data Types Affects Versions: 1.1.0 Reporter: Chris Westin Assignee: Chris Westin
A JSON record has a field whose value is an array with 20,000 elements; the record's size is 4MB. A select is used to flatten this. The query profile reports that the peak memory utilization was 8GB, most of it used by the flatten. -- This message was sent by Atlassian JIRA (v6.3.4#6332)