[ https://issues.apache.org/jira/browse/HIVE-15503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Prasanth Jayachandran updated HIVE-15503: ----------------------------------------- Attachment: HIVE-15503.1.patch > 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 > Attachments: HIVE-15503.1.patch, HIVE-15503.WIP.patch > > > {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)