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The auxService:mapreduce_shuffle does not exist

Error and Probable Fix: 1. Error : org.apache.hadoop.yarn.exceptions.InvalidAuxServiceException: The auxService:mapreduce_shuffle does not exist Hadoop job information for Stage-1: number of mappers: 1; number of reducers: 1 2015-05-02 13:57:39,982 Stage-1 map = 0%,  reduce = 0% 2015-05-02 13:57:49,511 Stage-1 map = 100%,  reduce = 100% Ended Job = job_1430542224940_0001 with errors Error during job, obtaining debugging information... Examining task ID: task_1430542224940_0001_m_000000 (and more) from job job_1430542224940_0001 Task with the most failures(4): ----- Task ID:   task_1430542224940_0001_m_000000 URL:   http://0.0.0.0:8088/taskdetails.jsp?jobid=job_1430542224940_0001&tipid=task_1430542224940_0001_m_000000 ----- Diagnostic Messages for this Task: Container launch failed for container_1430542224940_0001_01_000005 : org.apache.hadoop.yarn.exceptions.InvalidAuxServiceException: The auxService:mapreduce_shuffle does not exist at sun...
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Logistic Regression using German Credit Data

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Logistic Regression using German Credit Data In [1]: import numpy as np In [2]: import pandas as pd In [3]: from sklearn.model_selection import train_test_split from sklearn.metrics import accuracy_score , classification_report The German Credit Data contains data on 20 variables and the classification whether an applicant is considered a Good or a Bad credit risk for 1000 loan applicants. In [9]: credit_dat = pd . read_csv ( "C:\Work\Datasets\germancreditdata.csv" ) In [10]: print ( credit_dat . head ()) Creditability Account Balance Duration of Credit (month) \ 0 1 1 18 1 1 1 9 2 1 2 12 3 1 ...
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Swagger ( An easy way to document your Rest API) Tutorial

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Hi, In this blog, I will share how you can use Swagger to document your Rest services/api. Swagger is an open source software that can come handy and is easy to use/configure if you are looking to document your Rest APIs. During development with multiple developers in a distributed team it can also come handy to have a visibility on Rest Services developed by Team. This article will focus on basic configuration.For sample JSON Rest web service have referred to an example from http://avaldes.com/spring-restful-web-service-example-with-json-and-jackson-using-spring-tool-suite/. It's a good site with info. Step-1: Make sure you have a Restful webservice up and running. I tried using an example from http://avaldes.com/spring-restful-web-service-example-with-json-and-jackson-using-spring-tool-suite/ It can be downloaded from http://avaldes.com/?wpdmdl=4550 so before we move forward,check http://localhost:8080/<context-name>/issuers is returning a JSON response. Step-2...
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