Redlot

Redlot is a KV database.

Implemented

INFO

​ This command will return the server informations.

KV

• SET key value Set value by the key.
• GET key Get value by the key.
• INCR key number
• DEL key Delete value by the key.
• EXISTS key Check key is exists.
• SETX tempKey value TTL Set value by the key and expire it after timeout.
• SETEX (Alias of SETX)
• TTL key Return the lifetime of the key.
• EXPIRE key Expire the key after timeout.
• KEYS start end limit List keys in the range.
• RKEYS start end limit Reverse list keys in the range.
• SCAN start end limit List KV pair that keys in the range.
• RSCAN start end limit Reverse list KV pair that keys in the range.
• MULTI_GET key1 key2 ... Batch read data from db.
• MULTI_SET key1 value1 key2 value2 ... Batch write data to db.
• MULTI_DEL key1 key2 ... Batch delete value by keys.

Hash

• HSET key field value Hset will set a hashmap value by the field.
• HGET key field value Hset will return a hashmap value by the field.
• HDEL key Hdel will delete a hashmap value by the field.
• HINCR key field Hincr will incr a hashmap value by the field.
• HINCRBY key field number Hincrby will incr number a hashmap value by the field.
• HEXISTS key field Hexists will check the hashmap field is exists.
• HSIZE key Hsize will return the hashmap size.
• HKEYS key start end limit Hkeys will list the hashmap fields in the range.
• HRKEYS key start end limit Hrkeys will reverse list the hashmap fields in the range.
• HGETALL key Hgetall will list all fields/value in the hashmap.
• HLIST key start end limit Hlist will list all hashmap in the range.
• HRLIST key start end limit Hrlist will reverse list all hashmap in the range.
• HSCAN key start end limit Hscan will list fields/value of the hashmap in the range.
• HRSCAN key start end limit Hrscan will reverse list fields/value of the hashmap in the range.
• HCLEAR key Hclear will remove all value in the hashmap.

TODO

Geo data

Example

go run example/server/main.go

Benchmark

redis-benchmark -p 9999 -t set,get -r 100000 -n 100000 -c 150