![]() ![]() Please download our ebook to learn more about RediSearch and all of the features it offers.If you are huge Rapidshare fan then you would be looking for ways to search the rapidshare website for files. RediSearch outperforms numerous other search engines while simultaneously maintaining lower latencies - and we’re constantly working to enhance its capabilities, making it an ideal resource for the open source community. Ultimately, RediSearch is proof that we can create a feature-rich, high-performance search engine on top of Redis using the Redis Modules API. Moreover, RediSearch can be scaled out and partitioned over multiple machines in the case that an index is too large. In addition to being fast and memory efficient, RediSearch can store documents, index existing Redis data, support numeric range filtering of results, perform query execution using a chained-iterator based approach, provide stemming for over 15 languages using the Snowball stemming library, auto-complete search terms, and accommodate Fuzzy Suggestions. Nonetheless, we’re always working to improve RediSearch, so you can expect more relevance ranking methods to manifest in the future. Instead, users have the ability to provide their own customized quality scores for each indexed document, which RediSearch then combines with the tf-idf scoring of each word to rank search results. It is important to know that RediSearch does not rely on any automatic algorithms to determine document quality when delivering search results. ![]() Please download our ebook to learn more about RediSearch’s wide range of capabilities. As a result of this methodical setup, RediSearch offers a variety of unique features, ranging from rapid indexing and multi-language support to exact phrase search and a powerful auto-suggest engine. RediSearch also minimizes the space used for indexes by using a combination of Delta Encoding and Varint Encoding to encode entries this helps maintain efficient decompression and index traversal rates. This is a simple process, but it yields powerful results. An Inverted Index stores a map from words or terms to the respective documents in which they appear, and by modeling this type of index, RediSearch allows modules to designate and subsequently locate data on Redis string keys. ![]() In order to enable more efficient data encoding, our developers decided to model Inverted Indexes using a custom data structure, rather than Redis’ native data type. ![]() In order to sufficiently address users’ needs and expectations, Redis developed RediSearch, a full-text search engine that utilizes Redis Modules API to extend Redis with new commands and capabilities. As search engines become increasingly refined, users have grown to expect the most relevant results for the search terms they input. ![]()
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