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toDebugString

Class: matlab.compiler.mlspark.RDD
Package: matlab.compiler.mlspark

Obtain a description of an RDD and its recursive dependencies for debugging

Syntax

str = toDebugString(obj)

Description

str = toDebugString(obj) gets a description of input RDD and its recursive dependencies for debugging purposes.

Input Arguments

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An input RDD, specified as an RDD object.

Output Arguments

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Description of an RDD and its recursive dependencies for debugging purposes, returned as a character vector.

Data Types: char

Examples

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Use the toDebugString method to get a description of an RDD and its recursive dependencies.

%% Connect to Spark
sparkProp = containers.Map({'spark.executor.cores'}, {'1'});
conf = matlab.compiler.mlspark.SparkConf('AppName','myApp', ...
                        'Master','local[1]','SparkProperties',sparkProp);
sc = matlab.compiler.mlspark.SparkContext(conf);

%% toDebugString
myFile = sc.textFile('airlinesmall.csv');
myFile.persist();
myFile.toDebugString()
Introduced in R2016b