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Redis

2015-04-09 @ Databases, Redis

Server Details

print out all kinds of informations

> INFO

DB Queries

Show all Values

> KEYS *

Show summary of all data

> KEYSPACE

Add some Data

SET Key0 Value0
SET Key1 Value1
SET Key2 Value2

Replication

Configure a Slave and check afterwards

> SLAVEOF host 6379
> INFO

Sentinel

The following is a list of accepted commands:

This command simply returns PONG.

> PING

Show a list of monitored masters and their state.

> SENTINEL masters

Show the state and info of the specified master.

> SENTINEL master <master name>

Show a list of slaves for this master, and their state.

> SENTINEL slaves <master name>

Show master ip and port

> SENTINEL get-master-addr-by-name <master name>

Force a failover as if the master was not reachable,

> SENTINEL failover <master name>

Query a Redis Sentinel for current master

> sentinel get-master-addr-by-name master01
1) "1.2.3.4"
2) "6379"

Commandline

Access a remote database

$ redis-cli -h host -p 6379

Authenticate with password

$ redis-cli -a CXXX

Useful queries from commandline example

$ echo "SENTINEL get-master-addr-by-name master01" | redis-cli -h host -p 26379 -x