directory.json

{
  "cn": [
    {
      "title": "产品概览",
      "children": [
        {
          "title": "EMQ X 消息服务器简介",
          "path": "./"
        },
        {
          "title": "EMQ X 消息服务器功能列表",
          "path": "introduction/checklist"
        }
      ]
    },
    {
      "title": "开始使用",
      "children": [
        {
          "title": "安装",
          "path": "getting-started/install-ee"
        },
        {
          "title": "启动 EMQ X",
          "path": "getting-started/start"
        },
        {
          "title": "基本命令",
          "path": "getting-started/command-line"
        },
        {
          "title": "分布式集群",
          "path": "getting-started/cluster"
        },
        {
          "title": "目录结构",
          "path": "getting-started/directory"
        },
        {
          "title": "配置说明",
          "path": "getting-started/config"
        },
        {
          "title": "日志与追踪",
          "path": "getting-started/log"
        },
        {
          "title": "Dashboard",
          "path": "getting-started/dashboard-ee"
        }
      ]
    },
    {
      "title": "用户指南",
      "children": [
        {
          "title": "认证鉴权",
          "path": "advanced/auth"
        },
        {
          "title": "发布订阅 ACL",
          "path": "advanced/acl"
        },
        {
          "title": "规则引擎",
          "path": "rule/rule-engine"
        },
        {
          "title": "数据存储",
          "path": "backend/backend"
        },
        {
          "title": "消息桥接",
          "path": "bridge/bridge"
        },
        {
          "title": "共享订阅",
          "path": "advanced/shared-subscriptions"
        },
        {
          "title": "$SYS 系统主题",
          "path": "advanced/system-topic"
        },
        {
          "title": "黑名单",
          "path": "advanced/blacklist"
        },
        {
          "title": "WebHook",
          "path": "advanced/webhook"
        },
        {
          "title": "分布集群",
          "path": "advanced/cluster"
        },
        {
          "title": "钩子",
          "path": "advanced/hooks"
        },
        {
          "title": "指标监控",
          "path": "advanced/metrics-and-stats"
        },
        {
          "title": "速率限制",
          "path": "advanced/rate-limit"
        },
        {
          "title": "飞行窗口与消息队列",
          "path": "advanced/inflight-window-and-message-queue"
        },
        {
          "title": "消息重传",
          "path": "advanced/retransmission"
        },
        {
          "title": "告警",
          "path": "advanced/alarms"
        },
        {
          "title": "数据导入导出",
          "path": "advanced/data-import-and-export"
        }
      ]
    },
    {
      "title": "模块管理",
      "children": [
        {
          "title": "模块介绍",
          "path": "modules/modules"
        },
        {
          "title": "内置访问控制",
          "path": "modules/internal_acl"
        },
        {
          "title": "MySQL 认证/访问控制",
          "path": "modules/mysql_authentication"
        },
        {
          "title": "PostgreSQL 认证/访问控制",
          "path": "modules/pgsql_authentication"
        },
        {
          "title": "Redis 认证/访问控制",
          "path": "modules/redis_authentication"
        },
        {
          "title": "HTTP 认证/访问控制",
          "path": "modules/http_authentication"
        },
        {
          "title": "内置数据库 认证/访问控制",
          "path": "modules/mnesia_authentication"
        },
        {
          "title": "MongoDB 认证/访问控制",
          "path": "modules/mongo_authentication"
        },
        {
          "title": "PKSFile 认证",
          "path": "modules/psk_authentication"
        },
        {
          "title": "LDAP 认证/访问控制",
          "path": "modules/ldap_authentication"
        },
        {
          "title": "JWT 认证",
          "path": "modules/jwt_authentication"
        },
        {
          "title": "LwM2M 网关",
          "path": "modules/lwm2m_protocol"
        },
        {
          "title": "MQTT-SN 网关",
          "path": "modules/mqtt_sn_protocol"
        },
        {
          "title": "TCP 网关",
          "path": "modules/tcp_protocol"
        },
        {
          "title": "JT/T808 网关",
          "path": "modules/jt808_protocol"
        },
        {
          "title": "GB/T32960 网关",
          "path": "modules/gbt32960_protocol"
        },
        {
          "title": "CoAP 网关",
          "path": "modules/coap_protocol"
        },
        {
          "title": "Stomp 网关",
          "path": "modules/stomp_protocol"
        },
        {
          "title": "Kafka 消费组",
          "path": "modules/kafka_consumer"
        },
        {
          "title": "Pulsar 消费组",
          "path": "modules/pulsar_consumer"
        },
        {
          "title": "MQTT Subscriber",
          "path": "modules/mqtt_subscriber"
        },
        {
          "title": "多语言扩展协议接入",
          "path": "modules/exproto"
        },
        {
          "title": "多语言扩展钩子",
          "path": "modules/exhook"
        },
        {
          "title": "Recon",
          "path": "modules/recon"
        },
        {
          "title": "EMQ X Prometheus Agent",
          "path": "modules/prometheus"
        },
        {
          "title": "热配置",
          "path": "modules/hot_confs"
        },
        {
          "title": "主题指标统计",
          "path": "modules/topic_metrics"
        },
        {
          "title": "MQTT 增强认证",
          "path": "modules/auth_sasl"
        },
        {
          "title": "上下线通知",
          "path": "modules/presence"
        },
        {
          "title": "MQTT 代理订阅",
          "path": "modules/subscription"
        },
        {
          "title": "主题重写",
          "path": "modules/topic_rewrite"
        },
        {
          "title": "MQTT 保留消息",
          "path": "modules/retainer"
        },
        {
          "title": "日志追踪",
          "path": "modules/tracer"
        },
        {
          "title": "慢订阅者统计",
          "path": "modules/slow_subscribers_statistics"
        },
        {
          "title": "MQTT 消息延迟发布",
          "path": "modules/delayed_publish"
        }
      ]
    },
    {
      "title": "规则引擎",
      "children": [
        {
          "title": "规则引擎",
          "path": "rule/rule-engine"
        },
        {
          "title": "创建规则",
          "path": "rule/rule-create"
        },
        {
          "title": "更新资源",
          "path": "rule/how_to_update_resources"
        },
        {
          "title": "检查 (调试)",
          "path": "rule/rule-example"
        },
        {
          "title": "数据存储",
          "children": [
            {
              "title": "保存数据到 MySQL",
              "path": "rule/backend_mysql"
            },
            {
              "title": "保存数据到 PostgreSQL",
              "path": "rule/backend_pgsql"
            },
            {
              "title": "保存数据到 MongoDB",
              "path": "rule/backend_mongodb"
            },
            {
              "title": "保存数据到 Redis",
              "path": "rule/backend_redis"
            },
            {
              "title": "保存数据到 Cassandra",
              "path": "rule/backend_cassandra"
            },
            {
              "title": "保存数据到 DynamoDB",
              "path": "rule/backend_dynamodb"
            },
            {
              "title": "保存数据到 ClickHouse",
              "path": "rule/backend_clickhouse"
            },
            {
              "title": "保存数据到 OpenTSDB",
              "path": "rule/backend_opentsdb"
            },
            {
              "title": "保存数据到 InfluxDB",
              "path": "rule/backend_influxdb"
            },
            {
              "title": "保存数据到 InfluxDB V2",
              "path": "rule/backend_influxdb_v2"
            },
            {
              "title": "保存数据到 TimescaleDB",
              "path": "rule/backend_timescaledb"
            },
            {
              "title": "保存数据到 Oracle DB",
              "path": "rule/backend_oracle"
            },
            {
              "title": "保存数据到 SQLServer",
              "path": "rule/backend_sqlserver"
            },
            {
              "title": "保存数据到 DolphinDB",
              "path": "rule/backend_dolphindb"
            },
            {
              "title": "保存数据到 MatrixDB",
              "path": "rule/backend_matrixdb"
            },
            {
              "title": "保存数据到 TDengine",
              "path": "rule/backend_tdengine"
            },
            {
              "title": "保存数据到 Lindorm",
              "path": "rule/backend_lindorm"
            }
          ]
        },
        {
          "title": "数据桥接",
          "children": [
            {
              "title": "桥接数据到 Kafka",
              "path": "rule/bridge_kafka"
            },
            {
              "title": "桥接数据到 Pulsar",
              "path": "rule/bridge_pulsar"
            },
            {
              "title": "桥接数据到 RabbitMQ",
              "path": "rule/bridge_rabbitmq"
            },
            {
              "title": "桥接数据到 RocketMQ",
              "path": "rule/bridge_rocketmq"
            },
            {
              "title": "桥接数据到 SAP Event Mesh",
              "path": "rule/bridge_sap_event_mesh"
            },
            {
              "title": "桥接数据到 MQTT Broker",
              "path": "rule/bridge_mqtt"
            },
            {
              "title": "桥接数据到 EMQ X",
              "path": "rule/bridge_emqx"
            }
          ]
        },
        {
          "title": "离线消息",
          "children": [
            {
              "title": "离线消息保存到 Redis",
              "path": "rule/offline_msg_to_redis"
            },
            {
              "title": "离线消息保存到 MySQL",
              "path": "rule/offline_msg_to_mysql"
            },
            {
              "title": "离线消息保存到 PostgreSQL",
              "path": "rule/offline_msg_to_pgsql"
            },
            {
              "title": "离线消息保存到 Cassandra",
              "path": "rule/offline_msg_to_cassandra"
            },
            {
              "title": "离线消息保存到 MongoDB",
              "path": "rule/offline_msg_to_mongodb"
            },
            {
              "title": "离线消息保存到 ClickHouse",
              "path": "rule/offline_msg_to_clickhouse"
            }
          ]
        },
        {
          "title": "获取订阅关系",
          "children": [
            {
              "title": "从 Redis 中获取订阅关系",
              "path": "rule/get_subs_from_redis"
            },
            {
              "title": "从 MySQL 中获取订阅关系",
              "path": "rule/get_subs_from_mysql"
            },
            {
              "title": "从 PostgreSQL 中获取订阅关系",
              "path": "rule/get_subs_from_pgsql"
            },
            {
              "title": "从 Cassandra 中获取订阅关系",
              "path": "rule/get_subs_from_cassandra"
            },
            {
              "title": "从 MongoDB 中获取订阅关系",
              "path": "rule/get_subs_from_mongodb"
            },
            {
              "title": "从 ClickHouse 中获取订阅关系",
              "path": "rule/get_subs_from_clickhouse"
            }
          ]
        },
        {
          "title": "编解码",
          "path": "rule/schema-registry"
        }
      ]
    },
    {
      "title": "插件管理",
      "children": [
        {
          "title": "插件介绍",
          "path": "advanced/plugins"
        },
        {
          "title": "数据存储插件",
          "children": [
            {
              "title": "数据存储设计",
              "path": "backend/backend"
            },
            {
              "title": "Redis 数据存储",
              "path": "backend/backend_redis"
            },
            {
              "title": "MySQL 数据存储",
              "path": "backend/backend_mysql"
            },
            {
              "title": "PostgreSQL 数据存储",
              "path": "backend/backend_pgsql"
            },
            {
              "title": "MongoDB 消息存储",
              "path": "backend/backend_mongodb"
            },
            {
              "title": "Cassandra 消息存储",
              "path": "backend/backend_cassandra"
            },
            {
              "title": "DynamoDB 消息存储",
              "path": "backend/backend_dynamodb"
            },
            {
              "title": "InfluxDB 消息存储",
              "path": "backend/backend_influxdb"
            },
            {
              "title": "OpenTSDB 消息存储",
              "path": "backend/backend_opentsdb"
            },
            {
              "title": "Timescale 消息存储",
              "path": "backend/backend_timescale"
            }
          ]
        },
        {
          "title": "消息桥接插件",
          "children": [
            {
              "title": "消息桥接简介",
              "path": "bridge/bridge"
            },
            {
              "title": "MQTT 桥接",
              "path": "bridge/bridge-mqtt"
            },
            {
              "title": "RPC 桥接",
              "path": "bridge/bridge-rpc"
            },
            {
              "title": "Kafka 桥接",
              "path": "bridge/bridge-kafka"
            },
            {
              "title": "RabbitMQ 桥接",
              "path": "bridge/bridge-rabbitmq"
            },
            {
              "title": "Pulsar 桥接",
              "path": "bridge/bridge-pulsar"
            },
            {
              "title": "RocketMQ 桥接",
              "path": "bridge/bridge-rocketmq"
            }
          ]
        }
      ]
    },
    {
      "title": "运维操作",
      "children": [
        {
          "title": "设备管理",
          "path": "tutorial/device-management"
        },
        {
          "title": "系统调优",
          "path": "tutorial/tune"
        },
        {
          "title": "生产部署",
          "path": "tutorial/deploy"
        },
        {
          "title": "Prometheus 监控告警",
          "path": "tutorial/prometheus"
        },
        {
          "title": "性能测试",
          "path": "tutorial/benchmark"
        }
      ]
    },
    {
      "title": "HTTP API",
      "path": "advanced/http-api"
    },
    {
      "title": "参数配置",
      "children": [
        {
          "title": "参数配置列表",
          "path": "configuration/configuration"
        },
        {
          "title": "环境变量",
          "path": "configuration/environment-variable"
        }
      ]
    },
    {
      "title": "命令行接口",
      "children": [
        {
          "title": "命令行",
          "path": "advanced/cli"
        }
      ]
    },
    {
      "title": "版本热升级",
      "path": "advanced/relup"
    },
    {
      "title": "FAQ 常见问题解答",
      "children": [
        {
          "title": "入门概念",
          "path": "faq/faq"
        },
        {
          "title": "使用教程",
          "path": "faq/use-guide"
        },
        {
          "title": "安装部署",
          "path": "faq/deployment"
        },
        {
          "title": "常见错误",
          "path": "faq/error"
        },
        {
          "title": "商业服务",
          "path": "faq/enterprise"
        },
        {
          "title": "FAQ 标签",
          "path": "faq/tags"
        }
      ]
    },
    {
      "title": "SDK & Tools",
      "children": [
        {
          "title": "MQTT Client Library",
          "path": "development/client"
        },
        {
          "title": "MQTT C Client Library",
          "path": "development/c"
        },
        {
          "title": "MQTT Java Client Library",
          "path": "development/java"
        },
        {
          "title": "MQTT Go Client Library",
          "path": "development/go"
        },
        {
          "title": "MQTT Erlang Client Library",
          "path": "development/erlang"
        },
        {
          "title": "MQTT JavaScript Client Library",
          "path": "development/javascript"
        },
        {
          "title": "MQTT Python Client Library",
          "path": "development/python"
        },
        {
          "title": "MQTT 微信小程序接入",
          "path": "development/wechat-miniprogram"
        },
        {
          "title": "其他资源",
          "path": "development/resource"
        }
      ]
    },
    {
      "title": "协议介绍",
      "children": [
        {
          "title": "MQTT 协议",
          "path": "development/protocol"
        },
        {
          "title": "LwM2M 网关",
          "path": "modules/lwm2m_protocol"
        },
        {
          "title": "MQTT-SN 网关",
          "path": "modules/mqtt_sn_protocol"
        },
        {
          "title": "TCP 网关",
          "path": "modules/tcp_protocol"
        },
        {
          "title": "JT/T808 网关",
          "path": "modules/jt808_protocol"
        },
        {
          "title": "CoAP 网关",
          "path": "modules/coap_protocol"
        },
        {
          "title": "Stomp 网关",
          "path": "modules/stomp_protocol"
        }
      ]
    },
    {
      "title": "版本发布",
      "children": [
        {
          "title": "变更日志",
          "path": "changes/changes-ee-4.4"
        },
        {
          "title": "生命周期 EOL",
          "path": "changes/eol-ee"
        },
        {
          "title": "升级指南",
          "path": "changes/upgrade-4.4"
        }
      ]
    },
    {
      "title": "相关资料",
      "children": [
        {
          "title": "架构设计",
          "path": "design/design"
        },
        {
          "title": "资源",
          "path": "awesome/awesome"
        }
      ]
    }
  ],
  "en": [
    {
      "title": "Introduction",
      "children": [
        {
          "title": "EMQ X Broker",
          "path": "./"
        },
        {
          "title": "Features List",
          "path": "introduction/checklist"
        }
      ]
    },
    {
      "title": "Get Started",
      "children": [
        {
          "title": "Installation",
          "path": "getting-started/install-ee"
        },
        {
          "title": "Start EMQ X",
          "path": "getting-started/start"
        },
        {
          "title": "Basic Command",
          "path": "getting-started/command-line"
        },
        {
          "title": "Distributed Cluster",
          "path": "getting-started/cluster"
        },
        {
          "title": "Directory",
          "path": "getting-started/directory"
        },
        {
          "title": "Configuration",
          "path": "getting-started/config"
        },
        {
          "title": "Log & Trace",
          "path": "getting-started/log"
        },
        {
          "title": "Dashboard",
          "path": "getting-started/dashboard-ee"
        }
      ]
    },
    {
      "title": "User Guide",
      "children": [
        {
          "title": "Authentication",
          "path": "advanced/auth"
        },
        {
          "title": "ACL",
          "path": "advanced/acl"
        },
        {
          "title": "Rule Engine",
          "path": "rule/rule-engine"
        },
        {
          "title": "Backend",
          "path": "backend/backend"
        },
        {
          "title": "Bridge",
          "path": "bridge/bridge"
        },
        {
          "title": "Shared subscription",
          "path": "advanced/shared-subscriptions"
        },
        {
          "title": "$SYS - System Topic",
          "path": "advanced/system-topic"
        },
        {
          "title": "Blacklist",
          "path": "advanced/blacklist"
        },
        {
          "title": "WebHook",
          "path": "advanced/webhook"
        },
        {
          "title": "Distributed Cluster",
          "path": "advanced/cluster"
        },
        {
          "title": "Hook",
          "path": "advanced/hooks"
        },
        {
          "title": "Metrics",
          "path": "advanced/metrics-and-stats"
        },
        {
          "title": "Rate limit",
          "path": "advanced/rate-limit"
        },
        {
          "title": "Inflight and Queue",
          "path": "advanced/inflight-window-and-message-queue"
        },
        {
          "title": "Message retransmission",
          "path": "advanced/retransmission"
        },
        {
          "title": "Alarm",
          "path": "advanced/alarms"
        },
        {
          "title": "Import/Export Data",
          "path": "advanced/data-import-and-export"
        }
      ]
    },
    {
      "title": "Modules",
      "children": [
        {
          "title": "Modules Introduction",
          "path": "modules/modules"
        },
        {
          "title": "Internal ACL",
          "path": "modules/internal_acl"
        },
        {
          "title": "MySQL AUTH/ACL",
          "path": "modules/mysql_authentication"
        },
        {
          "title": "PostgreSQL AUTH/ACL",
          "path": "modules/pgsql_authentication"
        },
        {
          "title": "Redis AUTH/ACL",
          "path": "modules/redis_authentication"
        },
        {
          "title": "HTTP AUTH/ACL",
          "path": "modules/http_authentication"
        },
        {
          "title": "Builtin DB AUTH/ACL",
          "path": "modules/mnesia_authentication"
        },
        {
          "title": "MongoDB AUTH/ACL",
          "path": "modules/mongo_authentication"
        },
        {
          "title": "PKSFile AUTH",
          "path": "modules/psk_authentication"
        },
        {
          "title": "LDAP AUTH/ACL",
          "path": "modules/ldap_authentication"
        },
        {
          "title": "JWT AUTH",
          "path": "modules/jwt_authentication"
        },
        {
          "title": "LwM2M Gateway",
          "path": "modules/lwm2m_protocol"
        },
        {
          "title": "MQTT-SN Gateway",
          "path": "modules/mqtt_sn_protocol"
        },
        {
          "title": "TCP Gateway",
          "path": "modules/tcp_protocol"
        },
        {
          "title": "JT/T808 Gateway",
          "path": "modules/jt808_protocol"
        },
        {
          "title": "CoAP Gateway",
          "path": "modules/coap_protocol"
        },
        {
          "title": "Stomp Gateway",
          "path": "modules/stomp_protocol"
        },
        {
          "title": "Kafka Consumer Group",
          "path": "modules/kafka_consumer"
        },
        {
          "title": "Pulsar Consumer Group",
          "path": "modules/pulsar_consumer"
        },
        {
          "title": "MQTT Subscriber",
          "path": "modules/mqtt_subscriber"
        },
        {
          "title": "Extension Language Gateway",
          "path": "modules/exproto"
        },
        {
          "title": "Extension Language hook",
          "path": "modules/exhook"
        },
        {
          "title": "Recon",
          "path": "modules/recon"
        },
        {
          "title": "EMQ X Prometheus Agent",
          "path": "modules/prometheus"
        },
        {
          "title": "Topic metrics",
          "path": "modules/topic_metrics"
        },
        {
          "title": "MQTT Enhanced Auth",
          "path": "modules/auth_sasl"
        },
        {
          "title": "Presence",
          "path": "modules/presence"
        },
        {
          "title": "MQTT Subscription",
          "path": "modules/subscription"
        },
        {
          "title": "Topic Rewrite",
          "path": "modules/topic_rewrite"
        },
        {
          "title": "MQTT Retainer",
          "path": "modules/retainer"
        },
        {
          "title": "Log Tracer",
          "path": "modules/tracer"
        },
        {
          "title": "Slow Subscriber Statistics",
          "path": "modules/slow_subscribers_statistics"
        },
        {
          "title": "MQTT Delayed Publish",
          "path": "modules/delayed_publish"
        }
      ]
    },
    {
      "title": "Rule Engine",
      "children": [
        {
          "title": "Rule Engine",
          "path": "rule/rule-engine"
        },
        {
          "title": "Create rules",
          "path": "rule/rule-create"
        },
        {
          "title": "Update resource",
          "path": "rule/how_to_update_resources"
        },
        {
          "title": "Create Inspect Rules",
          "path": "rule/rule-example"
        },
        {
          "title": "Backends",
          "children": [
            {
              "title": "Save data to MySQL",
              "path": "rule/backend_mysql"
            },
            {
              "title": "Save data to PostgreSQL",
              "path": "rule/backend_pgsql"
            },
            {
              "title": "Save data to MongoDB",
              "path": "rule/backend_mongodb"
            },
            {
              "title": "Save data to Redis",
              "path": "rule/backend_redis"
            },
            {
              "title": "Save data to Cassandra",
              "path": "rule/backend_cassandra"
            },
            {
              "title": "Save data to DynamoDB",
              "path": "rule/backend_dynamodb"
            },
            {
              "title": "Save data to ClickHouse",
              "path": "rule/backend_clickhouse"
            },
            {
              "title": "Save data to OpenTSDB",
              "path": "rule/backend_opentsdb"
            },
            {
              "title": "Save data to InfluxDB",
              "path": "rule/backend_influxdb"
            },
            {
              "title": "Save data to InfluxDB V2",
              "path": "rule/backend_influxdb_v2"
            },
            {
              "title": "Save data to TimescaleDB",
              "path": "rule/backend_timescaledb"
            },
            {
              "title": "Save data to TimescaleDB",
              "path": "rule/backend_influxdb_v2"
            },
            {
              "title": "Save data to Oracle DB",
              "path": "rule/backend_oracle"
            },
            {
              "title": "Save data to SQLServer",
              "path": "rule/backend_sqlserver"
            },
            {
              "title": "Save data to DolphinDB",
              "path": "rule/backend_dolphindb"
            },
            {
              "title": "Save data to MatrixDB",
              "path": "rule/backend_matrixdb"
            },
            {
              "title": "Save data to TDengine",
              "path": "rule/backend_tdengine"
            },
            {
              "title": "Save data to Lindorm",
              "path": "rule/backend_lindorm"
            }
          ]
        },
        {
          "title": "Bridges",
          "children": [
            {
              "title": "Bridge data to Kafka",
              "path": "rule/bridge_kafka"
            },
            {
              "title": "Bridge data to Pulsar",
              "path": "rule/bridge_pulsar"
            },
            {
              "title": "Bridge data to RabbitMQ",
              "path": "rule/bridge_rabbitmq"
            },
            {
              "title": "Bridge data to RocketMQ",
              "path": "rule/bridge_rocketmq"
            },
            {
              "title": "Bridge data to SAP Event Mesh",
              "path": "rule/bridge_sap_event_mesh"
            },
            {
              "title": "Bridge data to MQTT Broker",
              "path": "rule/bridge_mqtt"
            },
            {
              "title": "Bridge data to EMQ X",
              "path": "rule/bridge_emqx"
            }
          ]
        },
        {
          "title": "Save Offline Message",
          "children": [
            {
              "title": "Save offline Message to Redis",
              "path": "rule/offline_msg_to_redis"
            },
            {
              "title": "Save offline Message to MySQL",
              "path": "rule/offline_msg_to_mysql"
            },
            {
              "title": "Save offline Message to PostgreSQL",
              "path": "rule/offline_msg_to_pgsql"
            },
            {
              "title": "Save offline Message to Cassandra",
              "path": "rule/offline_msg_to_cassandra"
            },
            {
              "title": "Save offline Message to MongoDB",
              "path": "rule/offline_msg_to_mongodb"
            }
          ]
        },
        {
          "title": "Get Subscriptions",
          "children": [
            {
              "title": "Get subscription from Redis",
              "path": "rule/get_subs_from_redis"
            },
            {
              "title": "Get subscription from MySQL",
              "path": "rule/get_subs_from_mysql"
            },
            {
              "title": "Get subscription from PostgreSQL",
              "path": "rule/get_subs_from_pgsql"
            },
            {
              "title": "Get subscription from Cassandra",
              "path": "rule/get_subs_from_cassandra"
            },
            {
              "title": "Get subscription from MongoDB",
              "path": "rule/get_subs_from_mongodb"
            }
          ]
        },
        {
          "title": "Schema",
          "path": "rule/schema-registry"
        }
      ]
    },
    {
      "title": "Plugin",
      "children": [
        {
          "title": "Plugin introduction",
          "path": "advanced/plugins"
        },
        {
          "title": "Backend plugins",
          "children": [
            {
              "title": "MQTT Message Persistence",
              "path": "backend/backend"
            },
            {
              "title": "Redis Backend",
              "path": "backend/backend_redis"
            },
            {
              "title": "MySQL Backend",
              "path": "backend/backend_mysql"
            },
            {
              "title": "PostgreSQL Backend",
              "path": "backend/backend_pgsql"
            },
            {
              "title": "MongoDB Backend",
              "path": "backend/backend_mongodb"
            },
            {
              "title": "Cassandra Backend",
              "path": "backend/backend_cassandra"
            },
            {
              "title": "DynamoDB Backend",
              "path": "backend/backend_dynamodb"
            },
            {
              "title": "InfluxDB Backend",
              "path": "backend/backend_influxdb"
            },
            {
              "title": "OpenTSDB Backend",
              "path": "backend/backend_opentsdb"
            },
            {
              "title": "Timescale Backend",
              "path": "backend/backend_timescale"
            }
          ]
        },
        {
          "title": "Bridges",
          "children": [
            {
              "title": "Bridge Introduction",
              "path": "bridge/bridge"
            },
            {
              "title": "MQTT Bridge",
              "path": "bridge/bridge-mqtt"
            },
            {
              "title": "RPC Bridge",
              "path": "bridge/bridge-rpc"
            },
            {
              "title": "Kafka Bridge",
              "path": "bridge/bridge-kafka"
            },
            {
              "title": "RabbitMQ Bridge",
              "path": "bridge/bridge-rabbitmq"
            },
            {
              "title": "Pulsar Bridge",
              "path": "bridge/bridge-pulsar"
            }
          ]
        }
      ]
    },
    {
      "title": "DevOps",
      "children": [
        {
          "title": "System tuning",
          "path": "tutorial/tune"
        },
        {
          "title": "Production deployment",
          "path": "tutorial/deploy"
        },
        {
          "title": "Prometheus Monitoring",
          "path": "tutorial/prometheus"
        },
        {
          "title": "Benchmark",
          "path": "tutorial/benchmark"
        }
      ]
    },
    {
      "title": "HTTP API",
      "path": "advanced/http-api"
    },
    {
      "title": "Configuration",
      "path": "configuration/configuration"
    },
    {
      "title": "Command",
      "children": [
        {
          "title": "CLI",
          "path": "advanced/cli"
        }
      ]
    },
    {
      "title": "Release Hot Upgrade",
      "path": "advanced/relup"
    },
    {
      "title": "FAQ",
      "children": [
        {
          "title": "Introduction",
          "path": "faq/faq"
        },
        {
          "title": "Use guide",
          "path": "faq/use-guide"
        },
        {
          "title": "Installation and deployment",
          "path": "faq/deployment"
        },
        {
          "title": "Common errors",
          "path": "faq/error"
        },
        {
          "title": "Business services",
          "path": "faq/enterprise"
        },
        {
          "title": "Tags",
          "path": "faq/tags"
        }
      ]
    },
    {
      "title": "SDK & Tools",
      "children": [
        {
          "title": "MQTT Client Library",
          "path": "development/client"
        },
        {
          "title": "MQTT C Client Library",
          "path": "development/c"
        },
        {
          "title": "MQTT Java Client Library",
          "path": "development/java"
        },
        {
          "title": "MQTT Go Client Library",
          "path": "development/go"
        },
        {
          "title": "MQTT Erlang Client Library",
          "path": "development/erlang"
        },
        {
          "title": "MQTT JavaScript Client Library",
          "path": "development/javascript"
        },
        {
          "title": "MQTT Python Client Library",
          "path": "development/python"
        },
        {
          "title": "Others",
          "path": "development/resource"
        }
      ]
    },
    {
      "title": "Changes",
      "children": [
        {
          "title": "Change log",
          "path": "changes/changes-ee-4.4"
        },
        {
          "title": "End of life dates",
          "path": "changes/eol-ee"
        },
        {
          "title": "Upgrade guide",
          "path": "changes/upgrade-4.4"
        }
      ]
    },
    {
      "title": "Resource",
      "children": [
        {
          "title": "Design",
          "path": "design/design"
        },
        {
          "title": "Awsome",
          "path": "awesome/awesome"
        }
      ]
    },
    {
      "title": "Protocol Introduction",
      "children": [
        {
          "title": "LwM2M gateway",
          "path": "modules/lwm2m_protocol"
        },
        {
          "title": "MQTT-SN gateway",
          "path": "modules/mqtt_sn_protocol"
        },
        {
          "title": "TCP gateway",
          "path": "modules/tcp_protocol"
        },
        {
          "title": "JT/T808 gateway",
          "path": "modules/jt808_protocol"
        },
        {
          "title": "CoAP gateway",
          "path": "modules/coap_protocol"
        },
        {
          "title": "Stomp gateway",
          "path": "modules/stomp_protocol"
        }
      ]
    }
  ]
}