May 26, 2018

Persistent key-value database engine

IOWOW is persistent key-value database engine based on skip list data structure. Its features and limitations are

  • Support of multiple key-value databases within a single file
  • Native support of integer keys
  • Support of record values represented as sorted array of integers
  • Ultra-fast traversal of database records
  • Good performance comparing to main competitors LMDB, LevelDB, Kyoto Cabinet
  • Tiny C11 library 150 KB, easily embeddable into any software
  • Maximum storage file size is 255 GB, maximum size of a single key+value record is 255 MB

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