Citus Data


This extension uses the Optimized Row Columnar (ORC) format for its data layout. ORC improves upon the RCFile format developed at Facebook, and brings the following benefits: Compression - reduces in-memory and on-disk data size by 2-4x and can be extended to support different codecs; Column projections - only reads column data relevant to the query and improves performance for I/O bound queries; and Skip indexes - stores min/max statistics for row groups, and uses them to skip over unrelated rows.


Composite Score


CX Score


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Likeliness to Recommend



Reports on iPad

cstore_fdw Product Report

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