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What Are The Debugging Tools Used For Apache Pig Scripts? |
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Answer» describe and explain are the important debugging utilities in Apache Pig. explain utility is helpful for Hadoop developers, when trying to debug error or optimize PigLatin scripts. explain can be applied on a particular alias in the SCRIPT or it can be applied to the entire script in the grunt INTERACTIVE shell. explain utility produces several GRAPHS in text format which can be printed to a file. describe debugging utility is helpful to developers when writing Pig scripts as it shows the SCHEMA of a relation in the script. For beginners who are trying to learn Apache Pig can use the describe utility to understand how each operator makes alterations to data. A pig script can have multiple describes. describe and explain are the important debugging utilities in Apache Pig. explain utility is helpful for Hadoop developers, when trying to debug error or optimize PigLatin scripts. explain can be applied on a particular alias in the script or it can be applied to the entire script in the grunt interactive shell. explain utility produces several graphs in text format which can be printed to a file. describe debugging utility is helpful to developers when writing Pig scripts as it shows the schema of a relation in the script. For beginners who are trying to learn Apache Pig can use the describe utility to understand how each operator makes alterations to data. A pig script can have multiple describes. |
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