Running-hadoop-on-ubuntu-linux-single-node-cluster :version 2.6

    Check Java version:- root@ubuntuvm:/home/user# java -version java version “1.7.0_95” OpenJDK Runtime Environment (IcedTea 2.6.4) (7u95-2.6.4-0ubuntu0.14.04.1) OpenJDK Client VM (build 24.95-b01, mixed mode, sharing) root@ubuntuvm:/home/user#     untar downloaded Hadoop root@ubuntuvm:/home/user/Desktop# tar xzf hadoop-2.6.1.tar.gz root@ubuntuvm:/home/user/Desktop# ls -l total 192692 drwxr-xr-x 9 10011 10011      4096 Sep 16 17:18 hadoop-2.6.1 -rwxrw-rw- 1 user  user  197113367 Feb… Read More Running-hadoop-on-ubuntu-linux-single-node-cluster :version 2.6

HIve Tables and insert data

HI,   In this we are simply going to create a table with fields separated by tab “\t” character This a simple one  ,   let’s start , here i will provide only code in hive :- Sample data :- 2016-01-08T12:27:05.565Z 1452256025 836871 2016-01-08T12:27:12.634Z 1452256033 800798 2016-01-08T12:27:12.632Z 1452256033 795799 2016-01-08T12:27:13.694Z 1452256033 820359 2016-01-08T12:27:15.821Z 1452256036 294141… Read More HIve Tables and insert data

hive :- creation of complex table employee data , important queries

Hi, in this tutorial we will create table for emplouee data set , which will be in for of like :- “name”: “John Doe”, “salary”: 100000.0, “subordinates”: [“Mary Smith”, “Todd Jones”], “deductions”: { “Federal Taxes”: .2, “State Taxes”: .05, “Insurance”: .1 }, “address”: { “street”: “1 Michigan Ave.”, “city”: “Chicago”, “state”: “IL”, “zip”: 60600 }… Read More hive :- creation of complex table employee data , important queries

Hadoop :- HDFS – Basic shell commands (PART – I)

Hi Guys , In this article i will try to explain the most common shell commands of HDFS with practical example , hope you will get some useful information from this Lets start with simple typing hadoop fs u will get the following results :- user@ubuntuvm:~/Desktop/hadoop$ hadoop fs Usage: hadoop fs [generic options] [-appendToFile <localsrc>… Read More Hadoop :- HDFS – Basic shell commands (PART – I)