我在浏览Hive中的Spark生成的分区镶木地板文件时遇到问题.我可以在配置单元中创建外部表但是当我尝试选择几行时,配置单元只返回没有行的"OK"消息.
我能够在Spark中正确读取分区的镶木地板文件,所以我假设它们是正确生成的.当我在没有分区的情况下在hive中创建外部表时,我也能够读取这些文件.
有没有人有建议？
我的环境是:
我的Spark配置文件具有以下参数(/etc/spark/conf.dist/spark-defaults.conf):
spark.master yarn
spark.driver.extraClassPath /etc/hadoop/conf:/etc/hive/conf:/usr/lib/hadoop/*:/usr/lib/hadoop-hdfs/*:/usr/lib/hadoop-mapreduce/*:/usr/lib/hadoop-yarn/*:/usr/lib/hadoop-lzo/lib/*:/usr/share/aws/emr/emrfs/conf:/usr/share/aws/emr/emrfs/lib/*:/usr/share/aws/emr/emrfs/auxlib/*
spark.driver.extraLibraryPath /usr/lib/hadoop/lib/native:/usr/lib/hadoop-lzo/lib/native
spark.executor.extraClassPath /etc/hadoop/conf:/etc/hive/conf:/usr/lib/hadoop/*:/usr/lib/hadoop-hdfs/*:/usr/lib/hadoop-mapreduce/*:/usr/lib/hadoop-yarn/*:/usr/lib/hadoop-lzo/lib/*:/usr/share/aws/emr/emrfs/conf:/usr/share/aws/emr/emrfs/lib/*:/usr/share/aws/emr/emrfs/auxlib/*
spark.executor.extraLibraryPath /usr/lib/hadoop/lib/native:/usr/lib/hadoop-lzo/lib/native
spark.eventLog.enabled true
spark.eventLog.dir hdfs:///var/log/spark/apps
spark.history.fs.logDirectory hdfs:///var/log/spark/apps
spark.yarn.historyServer.address ip-10-37-161-246.ec2.internal:18080
spark.history.ui.port 18080
spark.shuffle.service.enabled true
spark.driver.extraJavaOptions -Dlog4j.configuration=file:///etc/spark/conf/log4j.properties -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=70 -XX:MaxHeapFreeRatio=70 -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=512M -XX:OnOutOfMemoryError='kill -9 %p'
spark.executor.extraJavaOptions -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=70 -XX:MaxHeapFreeRatio=70 -XX:+CMSClassUnloadingEnabled -XX:OnOutOfMemoryError='kill -9 %p'
spark.executor.memory 4G
spark.driver.memory 4G
spark.dynamicAllocation.enabled true
spark.dynamicAllocation.maxExecutors 100
spark.dynamicAllocation.minExecutors 1
Hive配置文件具有以下参数(/etc/hive/conf/hive-site.xml):
<configuration>
<!-- Hive Configuration can either be stored …