Big Data Support
This is the team blog for the Big Data Support team at Microsoft. We support HDInsight which is Hadoop running on Windows Azure in the cloud, as well as other big data features.
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How to use a Custom JSON Serde with Microsoft Azure HDInsight
I had a recent need to parse JSON files using Hive. There were a couple of options that I could use. One is using native Hive JSON function such as get_json_object and the other is to use a JSON Serde to parse JSON objects containing nested elements with lesser code. I decided to go with the second approach...
18 Jun 2014
Some Frequently Asked Questions on Microsoft Azure HDInsight
We have seen some common questions on HDInsight when interacting with customers and partners. On this blog post, we are going to help answer some of those common questions. 1. What is Microsoft Azure HDInsight? HDInsight is a Hadoop-based service from Microsoft that brings a 100 percent Apache...
22 May 2014
HDInsight: - backup and restore hive table
Introduction My name is Sudhir Rawat and I work on the Microsoft HDInsight support team. In this blog I am going to explain the options for backing up and restoring a Hive table on HDInsight. The general recommendation is to store hive metadata on SQL Azure during provisioning the cluster. Sometimes...
1 May 2014
Sliding Window Data Partitioning on Microsoft Azure HDInsight
HCatalog is a table and storage management layer for Hadoop that enables users with different data processing tools like Pig, Mapreduce, Hive, and Oozie to read and write data. HCatalog's table abstraction presents these tools and users with a relational view of data in the cluster. HCatalog Integration...
23 Apr 2014
How to add custom Hive UDFs to HDInsight
I recently had a need to add a UDF to Hive on HDInsight. I thought that it would be good to share that experience on a blog post. Hive provides a library of built-in functions to achieve the most common needs. The cool thing is that it also provides the framework to create your own UDF. I had a recent...
14 Jan 2014
Get Started with Hive on HDInsight
Hi, my name is Dharshana and I work on the Big Data Support Team at Microsoft. As covered in the earlier post by Dan from our team, HDInsight provides a very easy to use interface to provision a Hadoop cluster with a few clicks and interact with the cluster programmatically. In this blog post, we will...
11 Nov 2013
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