hadoop-examples | You wan na learn how to use Hadoop , start

by josephmisiti Python Version: Current License: No License

X-Ray Key Features Code Snippets Community Discussions(1)Vulnerabilities Install Support

kandi X-RAY | hadoop-examples Summary

hadoop-examples is a Python library typically used in Big Data, Hadoop applications. hadoop-examples has no bugs, it has no vulnerabilities and it has low support. However hadoop-examples build file is not available. You can download it from GitHub.

You wanna learn how to use Hadoop, start here!

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hadoop-examples has a low active ecosystem.

It has 37 star(s) with 39 fork(s). There are 8 watchers for this library.

It had no major release in the last 6 months.

There are 1 open issues and 0 have been closed. On average issues are closed in 1664 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of hadoop-examples is current.

Quality

hadoop-examples has 0 bugs and 0 code smells.

Security

hadoop-examples has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

hadoop-examples code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

hadoop-examples does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

hadoop-examples releases are not available. You will need to build from source code and install.

hadoop-examples has no build file. You will be need to create the build yourself to build the component from source.

hadoop-examples saves you 472 person hours of effort in developing the same functionality from scratch.

It has 1112 lines of code, 102 functions and 15 files.

It has high code complexity. Code complexity directly impacts maintainability of the code.

Top functions reviewed by kandi - BETA

kandi has reviewed hadoop-examples and discovered the below as its top functions. This is intended to give you an instant insight into hadoop-examples implemented functionality, and help decide if they suit your requirements.

Compute the Pearson correlation score between two preferences
Get the list of common items in pref_dict
Get recommendations for a given preference
Compute the top scores for a given person
Compute the euclidean distance between two items
Calculate the similarity matrix for each preference
Transform an item preferences dictionary into a dictionary

Get all kandi verified functions for this library.

hadoop-examples Key Features

No Key Features are available at this moment for hadoop-examples.

hadoop-examples Examples and Code Snippets

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Community Discussions

Trending Discussions on hadoop-examples

HDFS Benchmark - Terasort output number of records

QUESTION

HDFS Benchmark - Terasort output number of records

Asked 2018-Jan-03 at 11:59

the question is related to a terasort example. Is there any parameter to change the amount of output records using terasort? The input generated with teragen is 65'536'000 but we are requested to run terasort and output 10'000'000 records. This request is part of a practice with Cloudera distribution, not a real case but benchmark on implementation practice. Teragen:

time hadoop jar opt/cloudera/parcels/CDH-5.13.1-1.cdh5.13.1.p0.2/lib/hadoop-0.20-mapreduce/hadoop-examples.jar teragen -Dmapreduce.job.maps=12 -Ddfs.blocksize=33554432 -Dmapreduce.map.memory.mb=512 -Dyarn.app.mapreduce.am.containerlauncher.threadpool-initial-size=512 65536000 /user/haley/tgen

Result:

...

ANSWER

Answered 2018-Jan-03 at 11:59

Is there any parameter to change the amount of output records using terasort?

As far as I understand the source code of TeraSort.java, it seems to implement a custom partitioner, partitioning and sorting the full input. So there is no parameter to change that behavior.

Source https://stackoverflow.com/questions/47907834

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install hadoop-examples

You can download it from GitHub.
You can use hadoop-examples like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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