# HELP kvdb_up Redis实例是否在线
# TYPE kvdb_up gauge
# HELP kvdb_role Redis节点角色(1=主库, 0=从库)
# TYPE kvdb_role gauge
# HELP kvdb_uptime_in_seconds Redis实例运行时间（秒）
# TYPE kvdb_uptime_in_seconds gauge
# HELP kvdb_connected_clients Redis连接的客户端数量
# TYPE kvdb_connected_clients gauge
# HELP kvdb_max_clients Redis最大客户端连接数
# TYPE kvdb_max_clients gauge
# HELP kvdb_blocked_clients Redis阻塞的客户端数量
# TYPE kvdb_blocked_clients gauge
# HELP kvdb_memory_used_bytes Redis已使用内存字节数
# TYPE kvdb_memory_used_bytes gauge
# HELP kvdb_memory_max_bytes Redis最大可用内存字节数
# TYPE kvdb_memory_max_bytes gauge
# HELP kvdb_commands_processed_total Redis处理的命令总数
# TYPE kvdb_commands_processed_total gauge
# HELP kvdb_net_input_bytes_total Redis接收的总字节数
# TYPE kvdb_net_input_bytes_total gauge
# HELP kvdb_net_output_bytes_total Redis发送的总字节数
# TYPE kvdb_net_output_bytes_total gauge
# HELP kvdb_net_input_kbps 进入Redis的网络流量(KB/s)
# TYPE kvdb_net_input_kbps gauge
# HELP kvdb_net_output_kbps 从Redis流出的网络流量(KB/s)
# TYPE kvdb_net_output_kbps gauge
# HELP kvdb_db_keys Redis数据库中的键数量
# TYPE kvdb_db_keys gauge
# HELP kvdb_db_keys_expiring Redis数据库中设置了过期时间的键数量
# TYPE kvdb_db_keys_expiring gauge
# HELP kvdb_evicted_keys_total Redis因内存限制被驱逐的键数量
# TYPE kvdb_evicted_keys_total gauge
# HELP kvdb_commands_total Redis各命令的执行次数
# TYPE kvdb_commands_total gauge
# HELP kvdb_slowlog_length Redis慢日志的长度
# TYPE kvdb_slowlog_length gauge
# HELP kvdb_connected_slaves Redis连接的从节点数量
# TYPE kvdb_connected_slaves gauge
# HELP kvdb_master_last_io_seconds_ago 主节点最后一次与从节点通信的时间（秒）
# TYPE kvdb_master_last_io_seconds_ago gauge
# HELP kvdb_master_repl_offset 主节点复制偏移量
# TYPE kvdb_master_repl_offset gauge
# HELP kvdb_instantaneous_ops_per_sec 当前每秒执行的命令数
# TYPE kvdb_instantaneous_ops_per_sec gauge
# HELP kvdb_version Redis版本号（去掉小数点）
# TYPE kvdb_version gauge
# HELP kvdb_port Redis监听端口
# TYPE kvdb_port gauge
# HELP kvdb_engine_type 引擎类型(1=Redis, 2=KVRocks)
# TYPE kvdb_engine_type gauge