Hadoop Distributed File System (HDFS) is the default file storage system used by Apache Hadoop.
I have an RDD whose elements are of type (Long, String). For some reason, I want to save the whole …
scala apache-spark hdfs rdd bigdataI know that HDFS is write once and read many times. Suppose if i want to update a file in …
hadoop hdfs hadoop2I’ve downloaded and started up Cloudera's Hadoop Demo VM for CDH4 (running Hadoop 2.0.0). I’m trying to write a …
java hadoop hdfsI want to move files around in HDFS using the Java APIs. I cannot figure out a way to do …
java hadoop hdfsI have setup a single node multi-user hadoop cluster. In my cluster, there is an admin user that is responsible …
hadoop cluster-computing hdfs user-permissionsI have been playing with Cloudera and I define the number of clusters before I start my job then use …
hadoop cluster-computing hbase hdfs clouderaI am trying to use the below to list my dirs in hdfs: ubuntu@ubuntu:~$ hadoop fs -ls hdfs://127.0.0.1:50075/ ls: …
hadoop hdfs clouderaHow do you, through Java, list all files (recursively) under a certain path in HDFS. I went through the API …
hadoop hdfsThis is what I saw on Web UI recently Configured Capacity : 232.5 GB DFS Used : 112.44 GB Non DFS Used : 119.46 GB DFS …
hadoop hdfsI have a huge file in HDFS having Time Series data points (Yahoo Stock prices). I want to find the …
time-series hdfs moving-average apache-spark