过多的动态分区会导致job出现以下情况: org.apache.hadoop.hive.ql.metadata.HiveException: org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException: No lease on /tmp/hive-maintain/hive_2012-11-28_22-39-43_810_1689858262130334284/_task_tmp.-ext-10002/part=334 ...
官方文档:https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Authorization Hive支持的权限有Users,Groups,Roles 一个角色可以包含组或者用户 By default, the Metastore uses the HadoopDefaultAuthenticator for determing user - group mappings metastore默认会以metastore所在的 ...