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The delay of getConfig method for the first time through nacosconfigservice is more than 1s. #12943

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daizhenyu opened this issue Dec 13, 2024 · 3 comments
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area/Client Related to Nacos Client SDK

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@daizhenyu
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Describe the bug
当使用nacosconfigservice的getConfig方法时,才会执行RpcClient的初始化和start,导致第一次调用getConfig延时在1s以上。可不可以在创建nacosconfigservice的时候就提前异步初始化一个RpcClient。我们项目启动时会去获取配置,所以1s的延时会增加我们的启动时间,希望可以优化下这个点,或者提供配置参数选择是否提前启动rpcclient。

Expected behavior
nacosclient version:2.1.2
Actually behavior
nothing

How to Reproduce
Steps to reproduce the behavior:

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  2. Click on '....'
  3. Scroll down to '....'
  4. See errors

Desktop (please complete the following information):

  • OS: [e.g. Centos]
  • Version [e.g. nacos-server 1.3.1, nacos-client 1.3.1]
  • Module [e.g. naming/config]
  • SDK [e.g. original, spring-cloud-alibaba-nacos, dubbo]

Additional context
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@shiyiyue1102
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shiyiyue1102 commented Dec 13, 2024

1s的初始化时间无法避免,正常情况下在需要查询配置时才会创建nacosconfigservice,异步创建RpcClient并无太大意义,如果你们的程序对这个1s时间比较敏感,可以自行在一个异步线程中预先执行一次getConfig

@shiyiyue1102 shiyiyue1102 added the area/Client Related to Nacos Client SDK label Dec 13, 2024
@daizhenyu
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1s的初始化时间无法避免,正常情况下在需要查询配置时才会创建nacosconfigservice,异步创建RpcClient并无太大意义,如果你们的程序对这个1s时间比较敏感,可以自行在一个异步线程中预先执行一次getConfig

创建nacosconfigservice之后没有立刻创建RpcClient,这块是基于什么考虑的呢?有考虑创建了nacosconfigservice之后异步调用下getConfig,但是这样写代码感觉有点坏味道。

@KomachiSion
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创建nacosconfigservice前创建不了RpcClient,因为连地址都不知道,无法创建对应的rpcClient。

创建nacosconfigservice时候,我记得是会立刻创建RpcClient,并同步进行一次连接和check,如果失败才转为异步。

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