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产品支持多 Scheduler Service 部署提高稳定性。建议仅在启用多 Server 时再使用多 Scheduler Service 部署。
本节介绍如何基于多 Server 远程部署多个Scheduler Service。
type=info
提示
在 7.1 Update1 中,Scheduler Service 支持了服务注册和服务发现,所以部署方法与之前版本不同。
但产品仍支持之前的部署方法,如果同时使用了两种部署方法,则以使用新方法部署的内容为准 。
启用多Server部署。
添加节点,专门用来远程部署 Scheduler Service。
示例中,我们将在主节点和其他服务所在节点上部署多个 Scheduler Service。
1. 在主节点服务器上将 WynService 服务停止,并将 Scheduler Service 的文件夹从主节点服务器复制到其他节点服务器Wyn所在目录下。
2. 修改主节点上的 Wyn.conf,开启多 Scheduler Service 部署。
下图为修改前后的对比图,左侧为修改前,右侧为修改后。
type=info
启用多个调度服务时,应使用SchedulerConfig > ServiceDiscovery 而不是 SchedulerConfig > ServerHost。
GlobalSettings > SchedulerConfig > ServiceDiscovery > ConfigString 是 Redis 的连接字符串。它可以使用与 Server > Cache > DistributedMemoryCache > ConfigString 相同的连接字符串。
建议与 SchedulerService > SchedulerConfig > MultipleConfig > DistributedQuartz 中的Server>Storage使用相同的数据库连接字符串(仅database不同)。
SchedulerService > SchedulerConfig > MultipleConfig > DistributedMemoryCache > ConfigString 是 Redis 的连接字符串。它可以使用与 Server > Cache > DistributedMemoryCache > ConfigString 相同的连接字符串。
3. 修改其他服务所在子节点上的 Wyn.conf,开启多 Scheduler Service 部署。
下图为修改前后的对比图,左侧为修改前,右侧为修改后。
4. 在Server2(即其他Server)节点上修改Wyn.conf。
type=info
需要修改 worker 或 server 所在的所有子节点的 GlobalSettings > SchedulerConfig 。
在 Wyn.conf 中使用 <sys:string> 时,需要在 Wyn.conf 的最前面添加 xmlns:sys="https://extendedxmlserializer.github.io/system"。
5. 在主节点、“Server2” 节点和其他服务节点上分别重新启动 WynService 服务。