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How many total connections are or max how many connections are present in redis ?
How many connections are busy ?
How many connections are free waiting for the requests ?
which commands or configuration i need see to answer above questions ?
Am asking total / max connections not clients
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Large number of connections Individual ElastiCache for Redis nodes support up to 65,000 concurrent client connections.
Maximum Concurrent Connected Clients In Redis 2.4 there was a hard-coded limit for the maximum number of clients that could be handled simultaneously. In Redis 2.6 and newer, this limit is dynamic: by default it is set to 10000 clients, unless otherwise stated by the maxclients directive in redis.
Redis Check Maximum ClientsThe maximum number of clients supported by the Redis server is defined in the configuration file. By default, the value is set to 10,000 clients.
To start Redis client, open the terminal and type the command redis-cli. This will connect to your local server and now you can run any command. In the above example, we connect to Redis server running on the local machine and execute a command PING, that checks whether the server is running or not.
Clients ARE connections. Redis doesn't know if two connections are from the same client.
info clients
# Clients
connected_clients:2
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:0
config get maxclients
1) "maxclients"
2) "4064"
If you want to change maxclients, you may do so in conf file, or at runtime with the command config set maxclients <val>, but note that this value is limited by available file descriptors, so run appropriate ulimit -n <val> before.
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