Hive is a data warehouse infrastructure built on top of Hadoop. It provides a series of tools that can be used to extract, transform, and load (ETL) data. Hive is a mecha
Labels: Apache Ambari Apache Hadoop Apache Pig djbozentka Explorer Created 01-30-2017 02:46 PM Recently installed a Pig instance on Ambari but continually getting IOException errors and commands unknown(dump, a =5, etc...). I've setup my own local cluster running Ubunt14.04LTS wi...
Apache Spark is an open-source software framework built on top of the Hadoop distributed processing framework. This competency area includes installation of Spark standalone, executing commands on the Spark interactive shell, Reading and writing data using Data Frames, data transformation, and running ...
new configuration variable update-var Updates an existing configuration variable delete-var Deletes an existing configuration variable set Modifies a property in the Search Guard Configuration update-license Updates the SG license rest REST client for administration special Commands for special circumstances ...
Hadoop集群安装Pig 下载压缩包:http://www.apache.org/dyn/closer.cgi/pig 解压: 配置: 在 ~/.bashrc 文件末尾添加,其中HADOOP_HOME为Hadoop安装路径,如HADOOP_HOME = /usr/local/hadoop: 使配置文件生效:source ~/.bashrc。 使用 Pig: 查看当前所在本地目录文件:......
Available subcommands upload (u) download (d) resume (r) show (s) purge (p) help (h) tunnel is a command for uploading data to / downloading data from ODPS. 说明: upload:帮助用户上传数据到ODPS的表中; download:帮助用户从ODPS的表中下载数据; resume:如果上传数据失败,通过resume命令进行断点...
HADOOP – HDP 1.3 support added SP7 Generic ODBC – This to connect to other databases that support ODBC protocol, however we do not guarantee that it willwork Oracle – Oracle 12c support added in SP7 MSSQL – Microsoft SQL Server ver11 support added in SP7 Netezza – Netezza version 7...
CREATE EXTERNAL TABLE `myemrlogs`( `data` string COMMENT 'from deserializer') ROW FORMAT DELIMITED FIELDS TERMINATED BY '|' LINES TERMINATED BY '\n' STORED AS INPUTFORMAT 'org.apache.hadoop.mapred.TextInputFormat' OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' LOCATION...
+import org.apache.hadoop.security.UserGroupInformation +import org.apache.spark.sql.{Row, SparkSession} +import org.apache.spark.sql.execution.command.RunnableCommand + +import org.apache.submarine.spark.security.{RangerSparkAuditHandler, RangerSparkPlugin, SparkAccessControlException} ...
// a terminal. We have used two commands // just in case one of them fails. system("gnome-terminal"); system("/usr/bin/xterm"); // This call is used to cause a delay in // program execution. The argument to this // function is the number of seconds for ...