cascading Questions
3
Solved
I am getting this error
Introducing FOREIGN KEY constraint
'FK_dbo.Regions_dbo.Countries_CountryId' on table 'Regions' may cause
cycles or multiple cascade paths. Specify ON DELETE NO ACTION o...
Nightrider asked 15/10, 2013 at 4:28
1
Solved
I have 3 cascading pipes (one to join against other two) described as follows,
LHSPipe - (larger size)
RHSPipes - (smaller size that could possibly fit to memory)
Psuedocode as follows,...
4
I am trying to make 4 dependent / cascading selection components. In this question, the selection component happens to be a <h:selectOneMenu>, but this is of course applicable on any other ki...
Schizo asked 4/5, 2013 at 19:24
5
In shell I typed gradle cleanJar in the Impatient/part1 directory. The output is below. The error is "class file for org.apache.hadoop.mapred.JobConf not found". Why did it fail to compile?
:clean...
8
Solved
I've been trying Cascading, but I cannot see any advantage over the classic map reduce approach for writing jobs.
Map Reduce jobs gives me more freedom and Cascading seems to be putting a lot of o...
4
Solved
First, sorry for my poor English...
I got four entities : User, Application, Bundle & Entity. Here are their relations (with cascading persist & remove, see code below) :
User 1-n Applic...
Peppard asked 10/1, 2013 at 11:33
3
I have three different type of jobs running on the data in HDFS.
These three jobs have to be run separately in the current scenario.
Now, we want to run the three jobs together by piping the OUTPUT...
2
When building part1 of the tutorial on CentOS 6.5,java version "1.7.0_51" I get Gradle error:
You can't change configuration 'providedCompile' because it is already resolved!
[localhost part1]$ g...
Medico asked 2/7, 2014 at 10:7
2
Solved
I've cloned the Cascading Pattern project, installed Gradle 2.0 - run and the commend
gradle eclipse --stacktrace
and I get the following - what is the root cause?
J-MacBook-Pro:pattern J$ grad...
1
Solved
I am confused as to when to use the Cascading framework and when to use Apache Spark. What are suitable use cases for each one?
Any help is appreciated.
Dimmick asked 11/8, 2014 at 10:4
3
Solved
How can you write to multiple outputs dependent on the key using Scalding(/cascading) in a single Map Reduce Job. I could of course use .filter for all the possible keys, but that is a horrible hac...
2
Solved
So people have been having problems compressing the output of Scalding Jobs including myself. After googling I get the odd hiff of an answer in a some obscure forum somewhere but nothing suitable f...
Perfuse asked 29/5, 2014 at 17:42
2
Solved
We have many small files that need combining. In Scalding you can use TextLine to read files as text lines. The problem is we get 1 mapper per file, but we want to combine multiple files so that th...
2
I'm looking to perform some simple deletion with Core data but just need a bit of advice on this one please.
I have a model with Transaction, Name, Event and Date Entities. The Transaction has a ...
Nedi asked 11/12, 2013 at 19:16
3
Solved
I'm a new web design student and I just learned about Cascading Style sheets and how to link them externally; however, I'm encountering a problem. I have the file linked in my <head> with no ...
2
I am looking for a workflow tool to run complex map-reduce jobs. I have Oozie in mind but also want to explore Cascading. Is there any sample code or example that chains existing M/R jobs using cas...
1
Solved
I am trying to use Cascading in my Hadoop project. I am trying to implement first example given in Enterprise Data Workflows with Cascading book. I have written java class which contains Cascading ...
1
Solved
So my input data has two fields/columns: id1 & id2, and my code is the following:
TextLine(args("input"))
.read
.mapTo('line->('id1,'id2)) {line: String =>
val fields = line.split("\t")...
2
Solved
I am using Hibernate 3.3.1 and i would like to create a relation between persons and an assigned company. They should be loosely coupled, but i would like to arrange
to create a company via cascade...
Compliancy asked 20/8, 2013 at 21:54
2
Solved
Hadoop Cascading : CascadeException "no loops allowed in cascade" when cogroup pipes twice
I'm trying to write a Casacading(v1.2) casade (http://docs.cascading.org/cascading/1.2/userguide/htmlsingle/#N20844) consisting of two flows:
1) The first flow outputs urls to a db table, (in whic...
3
Solved
I'm running hadoop job on many input files.
But if one of the files is corrupted the whole job is fails.
How can I make the job to ignore the corrupted file?
maybe write for me some counter/error ...
3
Solved
I found many options recently, and interesting in their comparisons primarely by maturity and stability.
Crunch - https://github.com/cloudera/crunch
Scrunch - https://github.com/cloudera/crunch/t...
1
Solved
I'm new to stackoverflow as well as to jquery/javascript. I've been searching all day for different ways to add cascading drop down lists to my current project and have yet to find a way that has w...
Paternity asked 28/9, 2012 at 23:52
4
Solved
Suppose I am having three dropdownlist controls named dd1, dd2 and dd3. The value of each dropdownlist comes from database. dd3's value depends upon value of dd2 and dd2's value depends on value of...
Terracotta asked 15/2, 2010 at 4:1
1
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