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Analytics & BI

Data Analytics,Big Data,Data Storage and Business Intelligence.

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zeppelin spark

Install Zeppelin 0.7.3 in Windows

609 views   6 comments last modified about 4 months ago

This post summarizes the steps to install Zeppelin 0.7.3 in Windows environment. Tools and Environment GIT Bash Command Prompt Windows 10 Download Binary Package Download the latest binary package from the following website: ...

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hadoop yarn hdfs

Install Hadoop 3.0.0 in Windows (Single Node)

1753 views   14 comments last modified about 4 months ago

This page summarizes the steps to install Hadoop 3.0.0 in your Windows environment. Reference page: https://wiki.apache.org/hadoop/Hadoop2OnWindows ...

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lite-log power-bi

Data Analysis Expressions to Create Static Tables in PowerBI

28 views   0 comments last modified about 22 days ago

DATATABLE StaticTable1 = DATATABLE("IntCol",INTEGER,"StringCol",STRING,{{1,"User1"},{2,"User2"}}) The above expression generates a table with two columns IntCol and StringCol : ...

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power-bi google-analytics

Power Analytics with Power BI and Google Analytics

87 views   0 comments last modified about 22 days ago

Power BI is my favourite BI and visualization tool as it is very simple yet powerful. It doesn’t only support traditional data sources like databases, CSV, JSON, XML and etc., but also supports emerging sources that are available in HDFS, Spark, R, Salesforce, Google Analytics and cloud platforms...

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power-bi

Power BI Analytics - Connect to DBMS and Card

19 views   0 comments last modified about 22 days ago

Power BI supports connecting to most of the DBMS databases such as SQL Server, Oracle, Teradata, MySQL, DB2, Sybase, Snowflake, Google BigQuery, Impala and etc. This page summarizes the steps to connect to SQL Azure and to create the following part of the sample dashboard of this series: ...

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spark scala parquet

Write and Read Parquet Files in Spark/Scala

328 views   2 comments last modified about 4 months ago

In this page, I’m going to demonstrate how to write and read parquet files in Spark/Scala by using Spark SQLContext class. Reference What is parquet format? Go the following project site to understand more about parquet. ...

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teradata

Useful DBC (Data Base Computer) System Views in Teradata

44 views   0 comments last modified about 2 months ago

This page summarize some of the commonly used views in Teradata. Conventions In all the views in the following sections, X views are also available though they only return rows that contain information on objects that the requesting database user owns, created, granted privilige on,...

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lite-log hadoop hdfs

Resolve Hadoop RemoteException - Name node is in safe mode

35 views   0 comments last modified about 2 months ago

In Safe Mode, the HDFS cluster is read-only. After completion of block replication maintenance activity, the name node leaves safe mode automatically. If you try to delete files in safe mode, the following exception may raise: org.apache.hadoop.ipc.RemoteException(org.apac...

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hadoop hdfs parquet sqoop

Configure Sqoop in a Edge Node of Hadoop Cluster

148 views   0 comments last modified about 2 months ago

This page continues with the following documentation about configuring a Hadoop multi-nodes cluster via adding a new edge node to configure administration or client tools. ...

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hadoop yarn

Configure YARN and MapReduce Resources in Hadoop Cluster

40 views   0 comments last modified about 2 months ago

When configuring YARN and MapReduce in Hadoop cluster, it is very important to configure the memory and virtual processors correctly. If the configurations are incorrect, the nodes may not be able to start properly and the applications may not be able to run successfully. For example...

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