Hadoop is an Apache open-source project that provides software for reliable and scalable distributed computing.
I want to remove all the files containes in hadoop directory, without removing the directory itself. I've tried using rm …
hadoop hdfsI installed Hadoop2.2.0 and Hbase0.98.0 and here is what I do : $ ./bin/start-hbase.sh $ ./bin/hbase shell 2.0.0-p353 :001 > list …
shell hadoop hbaseI would like to know the relation between the mapreduce.map.memory.mb and mapred.map.child.java.opts parameters. …
apache hadoop configuration yarn heap-sizeWhen I try to run my Job I am getting the following exception: Exception in thread "main" java.io.IOException: …
hadoop ioexception microsoft-distributed-file-systemHello Friends, I created table in hive with help of following command - CREATE TABLE db.test ( fname STRING, lname …
hadoop hive hiveqlIn Java code, I want to connect to a directory in HDFS, learn the number of files in that directory, …
java hadoop hdfsI've tried running hive -v -f sqlfile.sql Here is the content of the file CREATE TABLE UpStreamParam ( 'macaddress' CHAR(50), …
hadoop hive hadoop-streamingI have a bunch of small files in an HDFS directory. Although the volume of the files is relatively small, …
java hadoop mapreduce distributed-computingI would like to navigate in HDFS First i looked on the directories in "root" HDFS [cloudera@localhost ~]$ sudo -u …
hadoop hdfs