Redis modules API
Introduction to writing Redis modules The modules documentation is composed of the following pages: Introduction to Redis modules (this file). An overview about Redis Modules system and API. It's a good idea to start your reading here. Implementing native data types covers the implementation of native data types into modules. Blocking operations shows how to write blocking commands that will not r
JSON
JSON support for Redis The JSON capability of Redis Stack provides JavaScript Object Notation (JSON) support for Redis. It lets you store, update, and retrieve JSON values in a Redis database, similar to any other Redis data type. Redis JSON also works seamlessly with Search and Query to let you index and query JSON documents. Primary features Full support for the JSON standard A JSONPath syntax f
Redis Graph - a graph database module for Redis
RedisGraph is the first queryable Property Graph database to use sparse matrices to represent the adjacency matrix in graphs and linear algebra to query the graph. Primary features Based on the Property Graph Model Nodes (vertices) and Relationships (edges) that may have attributes Nodes that can be labeled Relationships have a relationship type Graphs represented as sparse adjacency matrices Cyph
Redis keyspace notifications
Monitor changes to Redis keys and values in real time Keyspace notifications allow clients to subscribe to Pub/Sub channels in order to receive events affecting the Redis data set in some way. Examples of events that can be received are: All the commands affecting a given key. All the keys receiving an LPUSH operation. All the keys expiring in the database 0. Note: Redis Pub/Sub is fire and forget
partitioning
Horizontal scaling with Redis Cluster Redis scales horizontally with a deployment topology called Redis Cluster. This topic will teach you how to set up, test, and operate Redis Cluster in production. You will learn about the availability and consistency characteristics of Redis Cluster from the end user's point of view. If you plan to run a production Redis Cluster deployment or want to understan
Redis Pub/Sub
How to use pub/sub channels in Redis SUBSCRIBE, UNSUBSCRIBE and PUBLISH implement the Publish/Subscribe messaging paradigm where (citing Wikipedia) senders (publishers) are not programmed to send their messages to specific receivers (subscribers). Rather, published messages are characterized into channels, without knowledge of what (if any) subscribers there may be. Subscribers express interest in
Diagnosing latency issues
Finding the causes of slow responses This document will help you understand what the problem could be if you are experiencing latency problems with Redis. In this context latency is the maximum delay between the time a client issues a command and the time the reply to the command is received by the client. Usually Redis processing time is extremely low, in the sub microsecond range, but there are
Redis - The Real-time Data Platform
# Create a vector index using the HNSW algorithm, 768 dimension length, and inner product distance metric > FT.CREATE idx-videos ON HASH PREFIX 1 video: SCHEMA content_vector VECTOR HNSW 6 TYPE FLOAT32 DIM 768 DISTANCE_METRIC IP content TEXT metadata TEXT # Add a video vector with metadata > HSET video:0 content_vector “\xa4q\t=\xc1\xdes\xbdZ$<\xbd\xd5\xc1\x99<b\xf0\xf2<x[…\xf8<” content “SUMMARY:
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RediSearch Documentation
Expiring keys – Redis
Command reference – Redis
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