Indexed data - PowerPoint PPT Presentation

Combining the Power of Hadoop with Object-Based Dispersed Storage

Combining the Power of Hadoop with Object-Based Dispersed Storage. How Cleversafe’s Dispersed Storage Works. Cleversafe IDA. DATA. Data is expanded, virtualized, transformed, sliced and dispersed using Information Dispersal Algorithms. 1. [ Total slices = ‘width’ = N ].

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321 views • 14 slides

Alternative: Bitmap Indexing

Alternative: Bitmap Indexing. Imagine the following query in huge table Find customers living in London, with 2 cars and 3 children occupying a 4 bed house Index not useful – why? Too big If query changes in any way =&gt;new index needed

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214 views • 11 slides

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