Is there a way to test a reduce class with MRUnit that uses MultipleOutputFormat to write to multiple output files?
Testing multiple outputs with MRUnit
3.8k Views Asked by David Parks At
2
There are 2 best solutions below
0
Géraud
On
MRUnit 1.1.0 has been released in June 2014 (see http://mrunit.apache.org/)
This latest release includes support for MultipleOutputs (see https://issues.apache.org/jira/browse/MRUNIT-13)
Related Questions in JAVA
- Add image to JCheckBoxMenuItem
- How to access invisible Unordered List element with Selenium WebDriver using Java
- Inheritance in Java, apparent type vs actual type
- Java catch the ball Game
- Access objects variable & method by name
- GridBagLayout is displaying JTextField and JTextArea as short, vertical lines
- Perform a task each interval
- Compound classes stored in an array are not accessible in selenium java
- How to avoid concurrent access to a resource?
- Why does processing goes slower on implementing try catch block in java?
- Redirect inside java interceptor
- Push toolbar content below statusbar
- Animation in Java on top of JPanel
- JPA - How to query with a LIKE operator in combination with an AttributeConverter
- Java Assign a Value to an array cell
Related Questions in HADOOP
- pcap to Avro on Hadoop
- schedule and automate sqoop import/export tasks
- How to diagnose Kafka topics failing globally to be found
- Only 32 bit available in Oracle VM - Hadoop Installation
- Using HDFS with Apache Spark on Amazon EC2
- How to get raw hadoop metrics
- How to output multiple values with the same key in reducer?
- Loading chararray from embedded JSON using Pig
- Oozie Pig action stuck in PREP state and job is in RUNNING state
- InstanceProfile is required for creating cluster - create python function to install module
- mapreduce job not setting compression codec correctly
- What does namespace and block pool mean in MapReduce 2.0 YARN?
- Hadoop distributed mode
- Building apache hadoop 2.6.0 throwing maven error
- I am using Hbase 1.0.0 and Apache phoenix 4.3.0 on CDH5.4. When I restart Hbase regionserver is down
Related Questions in MAPREDUCE
- pcap to Avro on Hadoop
- CouchDB sum by date range and type
- How to output multiple values with the same key in reducer?
- mapreduce job not setting compression codec correctly
- Split S3 files into multiple output files
- groupByKey not properly working in spark
- MapReduce job fails with ExitCodeException exitCode=255
- What is better way to send associative array through map/reduce at MongoDB?
- How to efficiently join two files using Hadoop?
- null pointer exception in getstrings method hadoop
- can you explain word count mapreduce program step by step
- How to efficiently find top-k elements?
- how to ignore key-value pair in Map-Reduce if values are blank?
- akka: pattern for combining messages from multiple children
- Map a table of a cassandra database using spark and RDD
Related Questions in REDUCERS
- How could I set the number or size of output files in an "insert" script?
- How do we allocate different number of reducers of heterogeneous clusters?
- Storing and instance instead of an array in rxjs5 Store
- React Reducer function to return array of objects
- Handling many entities on Redux without repetition
- dynamic redux app loading vs store composition and combineReducers
- Redux: Colocating Selectors with Reducers
- How to update two values in two different reducers at the same time in Redux / Atomic operations
- Multiple actions in React reducer
- Redux: few lists with separate data managed by the same reducer
- unable to pass props to components in react-redux
- react native get async initial state in reducer
- props not being passed to components after implementing combineReducers in react-redux
- Unable to create Redux store in angular2
- Implement callbacks between two actions in redux
Related Questions in MRUNIT
- How to test reducer with avro params in MRUnit?
- How to test a Reducer containing a Mutation
- Found class org.apache.hadoop.mapreduce.TaskInputOutputContext, but interface was expected
- MRUnit Create HBase Result Properly
- MRunit: how to test custom sortcomparator?
- Hadoop Mrunit throughing exceptions
- mrunit execute test method error HADOOP_HOME or hadoop.home.dir are not set
- How to do Mapper testing using MRUnit Test?
- MRUnit test for testing hadoop map program error
- Mocking the context object in MR unit
- Testing multiple outputs with MRUnit
- setting up configuration in mrunit
- Conflicting API when trying to run MRUnit example
- MRUnit reducer test: Mismatch in value class
- Testing multiple outputs with MRUnit 1.1.0
Trending Questions
- UIImageView Frame Doesn't Reflect Constraints
- Is it possible to use adb commands to click on a view by finding its ID?
- How to create a new web character symbol recognizable by html/javascript?
- Why isn't my CSS3 animation smooth in Google Chrome (but very smooth on other browsers)?
- Heap Gives Page Fault
- Connect ffmpeg to Visual Studio 2008
- Both Object- and ValueAnimator jumps when Duration is set above API LvL 24
- How to avoid default initialization of objects in std::vector?
- second argument of the command line arguments in a format other than char** argv or char* argv[]
- How to improve efficiency of algorithm which generates next lexicographic permutation?
- Navigating to the another actvity app getting crash in android
- How to read the particular message format in android and store in sqlite database?
- Resetting inventory status after order is cancelled
- Efficiently compute powers of X in SSE/AVX
- Insert into an external database using ajax and php : POST 500 (Internal Server Error)
Popular Questions
- How do I undo the most recent local commits in Git?
- How can I remove a specific item from an array in JavaScript?
- How do I delete a Git branch locally and remotely?
- Find all files containing a specific text (string) on Linux?
- How do I revert a Git repository to a previous commit?
- How do I create an HTML button that acts like a link?
- How do I check out a remote Git branch?
- How do I force "git pull" to overwrite local files?
- How do I list all files of a directory?
- How to check whether a string contains a substring in JavaScript?
- How do I redirect to another webpage?
- How can I iterate over rows in a Pandas DataFrame?
- How do I convert a String to an int in Java?
- Does Python have a string 'contains' substring method?
- How do I check if a string contains a specific word?
It looks like support for
MultipleOutputsis still work in progress in the MRUnit Jira.That being said, I found someone who implemented his own drivers subclassing MRUnit's
MapReduceDriverto make it work withMultipleOutputshere, hope that helps.