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Big Data, BI, DW | Ihor Bobak's Blog

Big Data, BI, DW. Ihor Bobak's Blog. August 5, 2015. In this article I am describing how to perform performance profiling of a cluster. Profiler allows to see what % of CPU time is consumed by what class/method. Besides, it allows to fully trace your application. Feedbacks are welcome. Installing Development Tools on Hadoop. June 23, 2015. Spark SQL Joins: Beware With Tables Order. June 3, 2015. An Example How to Solve Problems with Open Source: Connecting Excel to Spark SQL. May 8, 2015. May 7, 2015.

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Big Data, BI, DW. Ihor Bobak's Blog. August 5, 2015. In this article I am describing how to perform performance profiling of a cluster. Profiler allows to see what % of CPU time is consumed by what class/method. Besides, it allows to fully trace your application. Feedbacks are welcome. Installing Development Tools on Hadoop. June 23, 2015. Spark SQL Joins: Beware With Tables Order. June 3, 2015. An Example How to Solve Problems with Open Source: Connecting Excel to Spark SQL. May 8, 2015. May 7, 2015.

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Big Data, BI, DW | Ihor Bobak's Blog | ihorbobak.com Reviews

https://ihorbobak.com

Big Data, BI, DW. Ihor Bobak's Blog. August 5, 2015. In this article I am describing how to perform performance profiling of a cluster. Profiler allows to see what % of CPU time is consumed by what class/method. Besides, it allows to fully trace your application. Feedbacks are welcome. Installing Development Tools on Hadoop. June 23, 2015. Spark SQL Joins: Beware With Tables Order. June 3, 2015. An Example How to Solve Problems with Open Source: Connecting Excel to Spark SQL. May 8, 2015. May 7, 2015.

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An Example How to Solve Problems with Open Source: Connecting Excel to Spark SQL | Big Data, BI, DW

http://ihorbobak.com/index.php/2015/05/08/113

Big Data, BI, DW. Ihor Bobak's Blog. An Example How to Solve Problems with Open Source: Connecting Excel to Spark SQL. May 8, 2015. Today I tried to connect Excel 2013 to Spark SQL. It was an interesting experience: digging in the source code in order to understand how everything is working. I have Spark 1.3.1 (the latest one). I have a standalone cluster running on a HDP 2.1 sandbox single machine, the configuration is as follows:. Export HADOOP CONF DIR=/etc/hadoop/conf. Export SPARK YARN QUEUE=default.

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Installing Hadoop using Ambari Server | Big Data, BI, DW

http://ihorbobak.com/index.php/2015/05/06/installing-hadoop-using-ambari-server

Big Data, BI, DW. Ihor Bobak's Blog. Installing Hadoop using Ambari Server. May 6, 2015. What Is This Manual About. This manual describes how to install a virtual machine with Hadoop (HDP 2.2). Hadoop has several methods of installation, but this one allows making the least amount of problems. VirtualBox https:/ www.virtualbox.org/wiki/Downloads. CentOS 6.6 http:/ isoredirect.centos.org/centos/6/isos/x86 64/. Install Virtualbox and VM Virtualbox Extension pack (see the download site above). We will alway...

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Cluster Performance Profiling | Big Data, BI, DW

http://ihorbobak.com/index.php/2015/08/05/cluster-profiling

Big Data, BI, DW. Ihor Bobak's Blog. August 5, 2015. You can download the profiler binaries, scripts and samples from this link. Most of you heard about VisualVM, YourKit, hprof and others. Using these tools you can see what parts of your application are working slowly, discover the reasons of why they are slow, and fix your code. For example, YourKit profiler looks like this:. How Do Profilers Work? There are two major ways how a profiler can work: instrumenting. How to Profile a Cluster? We all are use...

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August | 2015 | Big Data, BI, DW

http://ihorbobak.com/index.php/2015/08

Big Data, BI, DW. Ihor Bobak's Blog. Monthly Archive: August 2015. August 5, 2015. In this article I am describing how to perform performance profiling of a cluster. Profiler allows to see what % of CPU time is consumed by what class/method. Besides, it allows to fully trace your application. Feedbacks are welcome. Installing Development Tools on Hadoop. Spark SQL Joins: Beware With Tables Order. An Example How to Solve Problems with Open Source: Connecting Excel to Spark SQL.

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Big Data | Big Data, BI, DW

http://ihorbobak.com/index.php/tag/big-data

Big Data, BI, DW. Ihor Bobak's Blog. Tag Archive: Big Data. Installing Hadoop using Ambari Server. May 6, 2015. This manual describes how to install a virtual machine with Hadoop (HDP 2.2). Hadoop has several methods of installation, but this one allows making the least amount of problems. Installing Development Tools on Hadoop. Spark SQL Joins: Beware With Tables Order. An Example How to Solve Problems with Open Source: Connecting Excel to Spark SQL. How to Add Gnome GUI to Hortonworks Sandbox.

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codeascraft.com

Introducing statsd-jvm-profiler: A JVM Profiler for Hadoop - Code as Craft

https://codeascraft.com/2015/01/14/introducing-statsd-jvm-profiler-a-jvm-profiler-for-hadoop

Introducing statsd-jvm-profiler: A JVM Profiler for Hadoop. Posted by Andrew Johnson. On January 14, 2015. At Etsy we run thousands of Hadoop jobs over hundreds of terabytes of data every day. When operating at this scale optimizing jobs is vital: we need to make sure that users get the results they need quickly, while also ensuring we use our cluster’s resources efficiently. Actually doing that optimizing is the hard part, however. To make accurate decisions you need measurements. For simplicity, we cho...

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Journal: Phenomenology in being. Ihypothalamus: the poet press. Horatio: the Art firm. Art is for the SouL. The firm is remodeling the website.in the interim; visual and literary work is available for your review. Contact the firm via email. Ihoratio: the Art firm. Is a Baltimore, Maryland based brokerage entity. The firm is focused on the creation, exhibition and manifestation of visual and literary art. The journal, ihypothalamus:. Ihoratio: the Art firm. Post Office Box 1555.

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Ihor's Blog | A fine WordPress.com site

A fine WordPress.com site. It seems we can’t find what you’re looking for. Perhaps searching can help. Blog at WordPress.com. Create a free website or blog at WordPress.com.

ihorbobak.com

Big Data, BI, DW | Ihor Bobak's Blog

Big Data, BI, DW. Ihor Bobak's Blog. August 5, 2015. In this article I am describing how to perform performance profiling of a cluster. Profiler allows to see what % of CPU time is consumed by what class/method. Besides, it allows to fully trace your application. Feedbacks are welcome. Installing Development Tools on Hadoop. June 23, 2015. Spark SQL Joins: Beware With Tables Order. June 3, 2015. An Example How to Solve Problems with Open Source: Connecting Excel to Spark SQL. May 8, 2015. May 7, 2015.

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The International Historical Organ Recording Collection

Friday, 15 June 2012. Unique recordings with Helmut Walcha and Günther Ramin. The third recording is a contribution from David C. Kelzenberg (Iowa, USA). It is Helmut Walcha playing the “Ricercar á 6” from “Das Musichalishes Opfer” by J. S. Bach. This recording was done privately by Helmut Walcha some times in the 1970s, pressed on a vinyl seven inch phonograph record in a very limited number and given as a Christmas present to friends and students. Wednesday, 25 January 2012. For a composer as prolific ...

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Фотограф Ігор Чорній

Середа, 8 липня 2015 р. Сьогодні люди починають діалог з фотографом приблизно з такої фрази: Скільки коштують ваші послуги. Часом таке питання дратує, однак я розумію, що в сьогоднішній ситуації люди дуже ретельно планують свій бюджет, тому часто у виборі фотографа орієнтуються на певну ціневу категорію. . Отже, щоб кожного разу не розписувати свій прайс, вирішив написати про вартість моїх послуг. Середа, 14 січня 2015 р. Чи варто замовляти весільне фото та відео в салоні чи студії? Шаблон Picture Window...

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Ihorcrux | The old blog is gone, again. So, this is new, another beginning…

The old blog is gone, again. So, this is new, another beginning…. 期间也备受煎熬，还是可以看见领导们恶狠狠地说你到底在等什么。如果想到别的问题，再给您邮件，可以吗只见他笑了一声，转头看着自己身后不远处的朋友们一眼，又回头问我我们朋友待会聚会，去喝一杯吗我忙说不要了，我还有事。 This entry was posted in Uncategorized. August 15, 2013. Proudly powered by WordPress.