错误信息如下:
2021-03-11 11:18:33,218 ERROR [main] mr.MapredLocalTask: Hive Runtime Error: Map local work exhausted memory
org.apache.hadoop.hive.ql.exec.mapjoin.MapJoinMemoryExhaustionError:
解决:
修改kylin_hive_conf.xml配置,将true修改为false重启kylin
<property>
<name>hive.auto.convert.join</name>
<value>false</value>
<description>Enables the optimization about converting common join into mapjoin</description>
</property>