backup 的启动 .............................................................................. 16 4 Heartbeat 高可用 Mysql 主主同步方案 .............................................................................. ........................ 17 4.5.5 Heartbeat 的配置 .......................................................................................... 18 4.5.6 Heartbeat 的启动 ................................ ...................................................................................... 19 5 Heartbeat+DRBD+mysql 高可用方案 ..............................................................................

discoveryHeartbeatName: # Detect heartbeat name discoveryTypeName: # Database discovery type name # Heartbeat Configuration discoveryHeartbeats: heartbeat-name> (+): # heartbeat name props: keep-alive-cron: dataSourceNames: - ds_0 - ds_1 - ds_2 discoveryHeartbeatName: mgr-heartbeat discoveryTypeName: mgr discoveryHeartbeats: mgr-heartbeat: props: keep-alive-cron: '0/5 * * * * ?' discoveryTypes: mgr: dataSourceNames: # Data source name list - ds_0 - ds_1 - ds_2 discoveryHeartbeatName: # Detect heartbeat name discoveryTypeName: # Database discovery type name : dataSourceNames: #

discoveryHeartbeatName: # Detect heartbeat name 4.1. ShardingSphere-JDBC 66 Apache ShardingSphere document, v5.2.0 discoveryTypeName: # Database discovery type name # Heartbeat Configuration discoveryHeartbeats: discoveryHeartbeats: heartbeat-name> (+): # heartbeat name props: keep-alive-cron: # This is cron expression, such as：'0/5 * * * * ?' # Database Discovery Configuration discoveryTypes: dataSourceNames: - ds_0 - ds_1 - ds_2 discoveryHeartbeatName: mgr-heartbeat discoveryTypeName: mgr discoveryHeartbeats: mgr-heartbeat: props: keep-alive-cron: '0/5 * * * * ?' discoveryTypes: mgr:

discoveryHeartbeatName: # 检测心跳名称 discoveryTypeName: # 数据库发现类型名称 # 心跳检测配置 discoveryHeartbeats: heartbeat-name> (+): # 心跳名称 props: keep-alive-cron: # cron 表达式，如：'0/5 * * * * ?' # 数据库发现类型配置 discoveryTypes: dataSourceNames: - ds_0 - ds_1 - ds_2 discoveryHeartbeatName: mgr-heartbeat discoveryTypeName: mgr discoveryHeartbeats: mgr-heartbeat: props: keep-alive-cron: '0/5 * * * * ?' discoveryTypes: mgr: discoveryHeartbeatName: # 检测心跳名称 discoveryTypeName: # 数据库发现类型名称 discoveryHeartbeats: heartbeat-name>: # 心跳名称 props: keep-alive-cron: # cron 表达式，如：'0/5 * * * * ?' discoveryTypes: :

connect_timeout Timeout in seconds (int/float) for establishing a new connection. – heartbeat Current heartbeat value (set by client). – hostname Node name of the remote broker. – insist No longer task-failed * task-rejected * task-revoked * task-retried – Worker Events * worker-online * worker-heartbeat * worker-offline Introduction There are several tools available to monitor and inspect Celery my_monitor(app) Note: The wakeup argument to capture sends a signal to all workers to force them to send a heartbeat. This way you can immediately see workers when the monitor starts. You can listen to specific events

connect_timeout Timeout in seconds (int/float) for establishing a new connection. – heartbeat Current heartbeat value (set by client). – hostname Node name of the remote broker. – insist No longer task-failed * task-rejected * task-revoked * task-retried – Worker Events * worker-online * worker-heartbeat * worker-offline Introduction There are several tools available to monitor and inspect Celery my_monitor(app) Note: The wakeup argument to capture sends a signal to all workers to force them to send a heartbeat. This way you can immediately see workers when the monitor starts. You can listen to specific events

connect_timeout Timeout in seconds (int/float) for establishing a new connection. – heartbeat Current heartbeat value (set by client). – hostname Node name of the remote broker. – insist No longer task-failed * task-rejected * task-revoked * task-retried – Worker Events * worker-online * worker-heartbeat * worker-offline Introduction There are several tools available to monitor and inspect Celery my_monitor(app) Note: The wakeup argument to capture sends a signal to all workers to force them to send a heartbeat. This way you can immediately see workers when the monitor starts. You can listen to specific events

connect_timeout Timeout in seconds (int/float) for establishing a new connection. – heartbeat Current heartbeat value (set by client). – hostname Node name of the remote broker. – insist No longer task-failed * task-rejected * task-revoked * task-retried – Worker Events * worker-online * worker-heartbeat * worker-offline Introduction There are several tools available to monitor and inspect Celery my_monitor(app) Note: The wakeup argument to capture sends a signal to all workers to force them to send a heartbeat. This way you can immediately see workers when the monitor starts. You can listen to specific events

connect_timeout Timeout in seconds (int/float) for establishing a new connection. – heartbeat Current heartbeat value (set by client). – hostname Node name of the remote broker. – insist No longer task-failed * task-rejected * task-revoked * task-retried – Worker Events * worker-online * worker-heartbeat * worker-offline Introduction There are several tools available to monitor and inspect Celery my_monitor(app) Note: The wakeup argument to capture sends a signal to all workers to force them to send a heartbeat. This way you can immediately see workers when the monitor starts. You can listen to specific events

connect_timeout Timeout in seconds (int/float) for establishing a new connection. – heartbeat Current heartbeat value (set by client). – hostname Node name of the remote broker. – insist No longer task-failed * task-rejected * task-revoked * task-retried – Worker Events * worker-online * worker-heartbeat * worker-offline Introduction There are several tools available to monitor and inspect Celery my_monitor(app) Note: The wakeup argument to capture sends a signal to all workers to force them to send a heartbeat. This way you can immediately see workers when the monitor starts. You can listen to specific events