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Jan 11 in Big Data | Hadoop
Q: How does indexing work in Hadoop?

1 Answer

Jan 11

Indexing in Hadoop has two different levels.

1. Index based on File URI: In this case data is indexed based on different files. When we search for data, index will return the files that contain the data.

2. Index based on InputSplit: In this case, data is indexed based on

 

locations where input split is located.

 

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