Difference between revisions of "Redis"
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| − | [[wikipedia:Redis|Redis]] 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>. | + | [[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 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 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: <code>[[brew install redis]]</code> | + | * [[Redis installation|Installation]]: |
| − | + | **<code>[[brew install redis]]</code> | |
| + | ** <code>[[helm install redis]], [[helm install myredis bitnami/redis]]</code> | ||
* Configuration: <code>[[redis.conf]]</code> | * Configuration: <code>[[redis.conf]]</code> | ||
| + | * [[Salvatore Sanfilippo]] | ||
== Binaries == | == Binaries == | ||
| Line 56: | Line 60: | ||
* [[OOM command not allowed when used memory ...]] | * [[OOM command not allowed when used memory ...]] | ||
* [[Transparent huge pages (THP)]] | * [[Transparent huge pages (THP)]] | ||
| + | * [[Valkey]] | ||
== See also == | == See also == | ||
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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