Apache Kylin-java.lang.OutOfMemory: Java heap space

2019-12-11 11:18:16:,914 FATAL [main] org.apache.hadoop.mapreduce.v2.app.MRAppMaster: Error starting MRAppMaster
java.lang.OutOfMemory: Java heap space
  at java.util.Arrays.copyOfRange(Arrays.java:3664)
  at java.lang.StringBuffer.toString(StringBuffer.java:669)
  at org.apache.xerces.dom.DeferredDocumentImpl.getNodeValueString(Unknown Source)
  at org.apache.xerces.dom.DeferredDocumentImpl.getNodeValueString(Unknown Source)
  at org.apache.xerces.dom.DeferredTextImpl.synchronizeData(Unknown Source)
2019-12-11 11:18:16:,917 INFO [main] org.apache.hadoop.util.ExitUtil: Exiting with status 1

修改配置：

# kylin.properties
kylin.engine.mr.config-override.mapreduce.map.java.opts=-Xmx8g
kylin.engine.mr.config-override.mapreduce.map.memory.mb=10240