error communicating with the metastore internal error processing abort_txn detected pause in jvm or host machine pause of approximately outOfMemory GC overhead limit execeded
hadoop 中修改：
Hadoop maximum Java heap size =10240 NFSGateway maximum Java heap size =10240
hive中修改： vi hive-env.sh export HADOOP_HEAPSIXZE=10240
![Hive中内部表、外部表、分区、分桶以及SQL的执行顺序[图]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)