Prasanth Jayachandran created HIVE-15503: --------------------------------------------
Summary: LLAP: Fix use of Runtime.getRuntime.maxMemory in Hive operators Key: HIVE-15503 URL: https://issues.apache.org/jira/browse/HIVE-15503 Project: Hive Issue Type: Bug Affects Versions: 2.2.0 Reporter: Prasanth Jayachandran Assignee: Prasanth Jayachandran Priority: Critical {code} ql/src/java/org/apache/hadoop/hive/ql/exec/GroupByOperator.java: maxHashTblMemory = (long) (memoryPercentage * Runtime.getRuntime().maxMemory()); ql/src/java/org/apache/hadoop/hive/ql/exec/TopNHash.java: // Total Free Memory = maxMemory() - Used Memory; ql/src/java/org/apache/hadoop/hive/ql/exec/TopNHash.java: long totalFreeMemory = Runtime.getRuntime().maxMemory() - {code} This will not work very well with LLAP because of the memory sharing by executors. -- This message was sent by Atlassian JIRA (v6.3.4#6332)