1、 Different data types are supported (memcached Only simple ones are supported key-value Data type of ,Redis Support 5 Type of data (1、string,2、list,3、set,4、zset,5、hash))

2、redis Support data backup , namely master-slave Mode data backup .( That is, master-slave mode ,master The node is down , You can switch to slave node )

3、 Memory management mechanism is different (redis Support data persistence 1、( Trigger swap operation , Persist some data to disk )2、( Provides two main persistence strategies :RDB Snapshots and AOF journal .).memcached All the data is in memory ,memcached Data persistence operations are not supported )

4、Redis A single thread ,memcached Is a multithreaded

Redis and memcached More articles about the differences

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