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﹃Redis - The Real-time Data Platform﹄
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人気
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新着
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すべて
3users
redis.io
Vector search Learn what you need to go from beginner to GenAI expert Get started
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テクノロジー
●2022/03/28 16:15
3users
redis.io
Name change reflects the central role the company maintains in leading the evolution of open source Redis from a popular caching system into the leading real-time data platform Mountain View, August 11, 2021—Today, Redis Labs announced the company is now registered as Redis, dropping “Labs” from its name. The change signals the maturation of the company and the Redis open source project, which it
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テクノロジー
●2021/08/12 16:36
5users
redis.io
Download the JSON Web Tokens (JWTs) are not safe e-book here Sometimes, people take technologies that are intended to solve a narrow problem and start applying them broadly. The problem may appear similar, but utilizing unique technologies to solve general issues could create unanticipated consequences. To use a metaphor, if you are a hammer, everything looks like a nail. JWT is one such technolog
●
テクノロジー
●2021/06/25 10:19
●security
5users
redis.io
Click here to get started with Redis Enterprise. Redis Enterprise lets you work with any real-time data at any scale, anywhere. Your scientists were so preoccupied with whether or not they could, they didn’t stop to think if they should.—Dr. Ian Malcolm, in Jurassic Park “Best Practices” has become a trope in technology. Sure, you can do something with a given tool, but is doing so really a good i
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テクノロジー
●2021/05/23 11:38
3users
redis.io
Server-assisted, client-side caching in Redis Client-side caching is a technique used to create high performance services. It exploits the memory available on application servers, servers that are usually distinct computers compared to the database nodes, to store some subset of the database information directly in the application side. Normally when data is required, the application servers ask t
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テクノロジー
●2020/05/06 14:45
●database
●web
3users
redis.io
It’s that time of the year again. No, I’m not referring to the winter holidays, but to the reverberations of the announcements coming out of AWS re:Invent. Oftentimes when AWS makes a big move, IT ecosystems get shaken. In the database space, this year the effect focused on Apache Cassandra, after AWS announced a Cassandra-compatible serverless managed solution. Along with the announcement, AWS al
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テクノロジー
●2019/12/24 14:43
●oss
●cloud
●aws
3users
redis.io
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
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テクノロジー
●2019/10/07 12:00
●tech
●あとで読む
39users
redis.io
Click to learn more about RediSearch: RediSearch: A High Performance Search Engine as a Redis Module white paper Background RediSearch is a distributed full-text search and aggregation engine built as a module on top of Redis. It enables users to execute complex search queries on their Redis dataset in an extremely fast manner. The unique architecture of RediSearch, which was written in C and bui
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テクノロジー
●2019/04/20 01:12
●redis
●elasticsearch
●search
●performance
●あとで読む
3users
redis.io
EXPIRE key seconds [NX | XX | GT | LT] Available since: 1.0.0 Time complexity: O(1) ACL categories: @keyspace, @write, @fast, Set a timeout on key. After the timeout has expired, the key will automatically be deleted. A key with an associated timeout is often said to be volatile in Redis terminology. The timeout will only be cleared by commands that delete or overwrite the contents of the key, inc
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テクノロジー
●2018/12/04 11:38
3users
redis.io
Customer case studies Read stories Optimizing Pokémon GO with a Redis cluster See more
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テクノロジー
●2018/09/06 05:37
11users
redis.io
Since the recent licensing change for our Redis modules, there’s been a lot of confusion and misinformation circulating about the implications of those changes. We want to address your questions and be crystal clear: the license for open source Redis was never changed. It is BSD and will always remain BSD. So what has changed? We recently did change the license for Redis modules developed by Redis
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テクノロジー
●2018/08/27 15:47
●redis
●cloud
4users
redis.io
FAQs Why are you offering a dual license strategy? We believe the permissive approach of RSALv2 and the standard wording we use to define its limitations solves many of the challenges raised by our community, but we are also aware that, like any newly created license, it will take time for some users (and their legal teams) to digest it and therefore we’ve added an option to use SSPL. Created by M
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テクノロジー
●2018/08/22 10:07
●web
10users
redis.io
Introduction to Redis streams A Redis stream is a data structure that acts like an append-only log but also implements several operations to overcome some of the limits of a typical append-only log. These include random access in O(1) time and complex consumption strategies, such as consumer groups. You can use streams to record and simultaneously syndicate events in real time. Examples of Redis s
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テクノロジー
●2018/06/03 02:12
●redis
9users
redis.io
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
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テクノロジー
●2018/03/18 09:08
●あとで読む
5users
redis.io
Connect your application to a Redis database and try an example Use the Redis client libraries to connect to Redis servers from your own code. We support client libraries for five main languages: Python C#/.NET Node.js Java Go We also provide several higher-level object mapping (OM) libraries and there are several community-supported clients for other languages. You will need access to a Redis ser
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テクノロジー
●2017/09/30 10:58
●redis
5users
redis.io
For those of you familiar with Redis, it should be relatively straightforward to create a configuration that guarantees ACID-ish (Atomicity, Consistency, Isolation, Durability) operations: merely create a single Redis instance with a ‘master’ role and have it configured with AOF every write (‘appendfsync always’) to a persistent storage device. This configuration provides ACID characteristics in t
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テクノロジー
●2017/07/24 04:14
●redis
●あとで読む
4users
redis.io
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
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テクノロジー
●2017/07/18 14:54
3users
redis.io
Overview of redis-cli, the Redis command line interface In interactive mode, redis-cli has basic line editing capabilities to provide a familiar typing experience. To launch the program in special modes, you can use several options, including: Simulate a replica and print the replication stream it receives from the primary. Check the latency of a Redis server and display statistics. Request ASCII-
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学び
●2017/06/27 17:25
5users
redis.io
SETNX key value Available since: 1.0.0 Time complexity: O(1) ACL categories: @write, @string, @fast, Set key to hold string value if key does not exist. In that case, it is equal to SET. When key already holds a value, no operation is performed. SETNX is short for "SET if Not eXists". Examples SETNX mykey "Hello" SETNX mykey "World" GET mykey Design pattern: Locking with SETNX Please note that: Th
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テクノロジー
●2017/06/01 11:40
4users
redis.io
Simple strings Simple strings are encoded as a plus (+) character, followed by a string. The string mustn't contain a CR (\r) or LF (\n) character and is terminated by CRLF (i.e., \r\n). Simple strings transmit short, non-binary strings with minimal overhead. For example, many Redis commands reply with just "OK" on success. The encoding of this Simple String is the following 5 bytes: +OK\r\n When
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テクノロジー
●2017/05/23 11:05
●Redis
●programming
9users
redis.io
Searching and querying Redis data Redis Stack offers an enhanced Redis experience via the following search and query features: A rich query language Incremental indexing on JSON and hash documents Vector search Full-text search Geospatial queries Aggregations You can find a complete list of features in the reference documentation. The search and query features of Redis Stack allow you to use Redis
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テクノロジー
●2017/05/09 19:18
●redis
●Search
3users
redis.io
INCR key Available since: 1.0.0 Time complexity: O(1) ACL categories: @write, @string, @fast, Increments the number stored at key by one. If the key does not exist, it is set to 0 before performing the operation. An error is returned if the key contains a value of the wrong type or contains a string that can not be represented as integer. This operation is limited to 64 bit signed integers. Note:
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テクノロジー
●2017/02/15 12:11
5users
redis.io
Detailed specification for Redis cluster Welcome to the Redis Cluster Specification. Here you'll find information about the algorithms and design rationales of Redis Cluster. This document is a work in progress as it is continuously synchronized with the actual implementation of Redis. Main properties and rationales of the design Redis Cluster goals Redis Cluster is a distributed implementation of
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世の中
●2017/02/13 11:40
●あとで読む
12users
redis.io
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
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テクノロジー
●2017/02/09 16:38
●redis
●tutorial
●あとで読む
10users
redis.io
Overview of data types supported by Redis Redis is a data structure server. At its core, Redis provides a collection of native data types that help you solve a wide variety of problems, from caching to queuing to event processing. Below is a short description of each data type, with links to broader overviews and command references. If you'd like to try a comprehensive tutorial for each data struc
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テクノロジー
●2016/12/14 13:25
●Redis
●あとで読む
5users
redis.io
Discovering slow server events in Redis Redis is often used for demanding use cases, where it serves a large number of queries per second per instance, but also has strict latency requirements for the average response time and the worst-case latency. While Redis is an in-memory system, it deals with the operating system in different ways, for example, in the context of persisting to disk. Moreover
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テクノロジー
●2016/04/20 17:45
●Redis
3users
redis.io
Customer case studies Read stories Optimizing Pokémon GO with a Redis Enterprise cluster See more
●
テクノロジー
●2016/01/24 15:17
3users
redis.io
Building secondary indexes in Redis Redis is not exactly a key-value store, since values can be complex data structures. However it has an external key-value shell: at API level data is addressed by the key name. It is fair to say that, natively, Redis only offers primary key access. However since Redis is a data structures server, its capabilities can be used for indexing, in order to create seco
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テクノロジー
●2015/10/27 01:57
●redis
3users
redis.io
Overview of Redis key eviction policies (LRU, LFU, etc.) When Redis is used as a cache, it is often convenient to let it automatically evict old data as you add new data. This behavior is well known in the developer community, since it is the default behavior for the popular memcached system. This page covers the more general topic of the Redis maxmemory directive used to limit the memory usage to
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テクノロジー
●2015/09/30 12:44
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