Difference between revisions of "Redis"
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− | [[wikipedia:Redis|Redis]] is an open-source [[in-memory database]] project released in [[2009]] implementing a distributed, in-memory [[key-value]] store with optional durability. Redis supports different kinds of abstract data structures, such as strings, lists, maps, sets, sorted sets, hyperloglogs, bitmaps and spatial indexes. | + | [[wikipedia:Redis|Redis]] (2009) is an open-source [[in-memory database]] project released in May [[2009]] implementing a distributed, in-memory [[key-value]] store with optional durability. Redis supports different kinds of abstract data structures, such as <code>[[strings]], [[lists]], [[maps]], [[sets]], [[sorted sets]], [[hyperloglogs]], [[bitmaps]] and [[spatial indexes]]</code>. |
− | Redis is also provided as a service in different Cloud providers [[ElastiCache]] from [[Amazon Web Services]] | + | Redis is mostly [[single threaded]], or double-threaded when it rewrites the [[AOF]] log.<ref>http://antirez.com/news/111</ref> |
+ | |||
+ | Redis is also provided as a service in different Cloud providers such as [[ElastiCache]] from [[Amazon Web Services]], [[Azure Cache]] from Microsoft [[Azure]], [[Alibaba Cloud]] offers [[ApsaraDB]] and [[Google Cloud Memorystore]]. | ||
+ | |||
+ | * [[Redis installation|Installation]]: | ||
+ | **<code>[[brew install redis]]</code> | ||
+ | ** <code>[[helm install redis]], [[helm install myredis bitnami/redis]]</code> | ||
+ | * Configuration: <code>[[redis.conf]]</code> | ||
+ | * [[Salvatore Sanfilippo]] | ||
+ | |||
+ | == Binaries == | ||
+ | * <code>[[redis-cli]]</code> | ||
+ | * <code>[[redis-server]]</code> | ||
+ | * <code>[[redis-benchmark]]</code> | ||
+ | * <code>[[redis-check-aof]]</code> | ||
+ | * <code>[[redis-check-rdb]]</code> | ||
+ | * <code>[[redis-sentinel]]</code> | ||
+ | * <code>[[rladmin]]</code> | ||
== Basic commands == | == Basic commands == | ||
Line 31: | Line 48: | ||
== Activities == | == Activities == | ||
− | * Read Redis release Notes | + | * Read [[Redis changelog]] release Notes |
== Related terms == | == Related terms == | ||
Line 37: | Line 54: | ||
* [[Sidekiq]] [[job scheduler]] | * [[Sidekiq]] [[job scheduler]] | ||
* [[AWS ElastiCache]] | * [[AWS ElastiCache]] | ||
+ | * [[PHP sessions]] | ||
+ | * [[Redis Cluster]] | ||
+ | * [[SETEX]] | ||
+ | * [[Amazon ElastiCache]] | ||
+ | * [[OOM command not allowed when used memory ...]] | ||
+ | * [[Transparent huge pages (THP)]] | ||
+ | * [[Valkey]] | ||
== See also == | == See also == | ||
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* {{Redis}} | * {{Redis}} | ||
* {{Key-value databases}} | * {{Key-value databases}} | ||
− | |||
{{CC license}} | {{CC license}} | ||
Line 48: | Line 71: | ||
[[Category:Databases]] | [[Category:Databases]] | ||
+ | [[Category:Redis]] | ||
+ | [[Category:Key-value databases]] |
Latest revision as of 22:10, 17 October 2024
Redis (2009) is an open-source in-memory database project released in May 2009 implementing a distributed, in-memory key-value store with optional durability. Redis supports different kinds of abstract data structures, such as strings, lists, maps, sets, sorted sets, hyperloglogs, bitmaps and spatial indexes
.
Redis is mostly single threaded, or double-threaded when it rewrites the AOF log.[1]
Redis is also provided as a service in different Cloud providers such as ElastiCache from Amazon Web Services, Azure Cache from Microsoft Azure, Alibaba Cloud offers ApsaraDB and Google Cloud Memorystore.
- Installation:
- Configuration:
redis.conf
- Salvatore Sanfilippo
Binaries[edit]
Basic commands[edit]
- Connect to Redis database:
$ redis-cli 127.0.0.1:6379> ping PONG
- Get a list of keys:
redis-cli --scan
- Get redis information:
redis-cli $127.0.0.1:6379> info
Windows:
redis-server --service-install redis.windows-service.conf --loglevel verbose
Redis Enterprise[edit]
Redis Enterprise is a commercial version of Redis including replication capabilities.
K8s operator for Redis Enterprise was released in October 2018.
CRDB (Conflict-free Replicated Redis Database) allows to run an application in a distributed manner across cloud and on-prem.
Activities[edit]
- Read Redis changelog release Notes
Related terms[edit]
- Hazelcast
- Sidekiq job scheduler
- AWS ElastiCache
- PHP sessions
- Redis Cluster
- SETEX
- Amazon ElastiCache
- OOM command not allowed when used memory ...
- Transparent huge pages (THP)
- Valkey
See also[edit]
- RedisInsight, a GUI management client for Windows, Linux and Mac announced in November 2019
- Redis, installation,
/etc/redis.conf, values.yml
, Redis Cluster, Redis Sentinel,/etc/redis-sentinel.conf
, Redis memory footprint,redis-cli, redis-benchmark, redis-check-aof, redis-check-rdb, redis-sentinel, redis-server
, Amazon MemoryDB for Redis, AOF, Redis changelog, Redis Database (RDB), Append Only File (AOF), Redis logs - Key-value databases: Berkeley DB, Redis,
etcd
, leveldb, RocksDB (MyRocks), Infinispan, Amazon DynamoDB, Apache Zookeeper, LevelDB, RocksDB, Pebble
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Source: https://en.wikiversity.org/wiki/Big_Data/Redis_DataBase
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