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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2020/01/03 05:49:25 UTC

[GitHub] [incubator-shardingsphere] xiaolongyuan opened a new issue #3858: 自增ID算法LEAF_SNOWFLAKE的`service.id`使用疑问

xiaolongyuan opened a new issue #3858: 自增ID算法LEAF_SNOWFLAKE的`service.id`使用疑问
URL: https://github.com/apache/incubator-shardingsphere/issues/3858
 
 
   版本 4.0.0.RC3
   
   service.id | String | leaf_snowflake位于注册中心上的服务标识
   -- | -- | --
   
   如何设置 每个实例都不一样？
   
   现在把这个设置成一样  并发下会出现重复ID问题
   
   如果推荐做法是设置成一样 那么是否 如下 代码 判断存在BUG?
   
   ```
       private Long initializeWorkIdNodeIfNeed(final RegistryCenter leafRegistryCenter) {
           String workIdDirectory = getWorkIdDirectoryWithServiceId();
           if (leafRegistryCenter.isExisted(workIdDirectory)) {
               String workIdInString = leafRegistryCenter.getDirectly(workIdDirectory);
               return Long.parseLong(workIdInString);
           } else {
               Long result = updateCurrentMaxWorkIdInRegisterCenter();
               leafRegistryCenter.persist(workIdDirectory, String.valueOf(result));
               return result;
           }
       }
   ```

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[GitHub] [incubator-shardingsphere] terrymanu closed issue #3858: 自增ID算法LEAF_SNOWFLAKE的`service.id`使用疑问

Posted by GitBox <gi...@apache.org>.
terrymanu closed issue #3858: 自增ID算法LEAF_SNOWFLAKE的`service.id`使用疑问
URL: https://github.com/apache/incubator-shardingsphere/issues/3858
 
 
   

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[GitHub] [incubator-shardingsphere] xiaolongyuan commented on issue #3858: 自增ID算法LEAF_SNOWFLAKE的`service.id`使用疑问

Posted by GitBox <gi...@apache.org>.
xiaolongyuan commented on issue #3858: 自增ID算法LEAF_SNOWFLAKE的`service.id`使用疑问
URL: https://github.com/apache/incubator-shardingsphere/issues/3858#issuecomment-570471712
 
 
   ![image](https://user-images.githubusercontent.com/3142363/71709180-ab91fa00-2e30-11ea-9102-20d413a1d077.png)
   
   
   ![image](https://user-images.githubusercontent.com/3142363/71709203-c3697e00-2e30-11ea-827a-35c5655349ea.png)
   

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[GitHub] [incubator-shardingsphere] xiaolongyuan commented on issue #3858: 自增ID算法LEAF_SNOWFLAKE的`service.id`使用疑问

Posted by GitBox <gi...@apache.org>.
xiaolongyuan commented on issue #3858: 自增ID算法LEAF_SNOWFLAKE的`service.id`使用疑问
URL: https://github.com/apache/incubator-shardingsphere/issues/3858#issuecomment-571955654
 
 
   有同样问题的小伙伴们 建议使用 美团的开源算法自定义实现

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[GitHub] [incubator-shardingsphere] terrymanu commented on issue #3858: 自增ID算法LEAF_SNOWFLAKE的`service.id`使用疑问

Posted by GitBox <gi...@apache.org>.
terrymanu commented on issue #3858: 自增ID算法LEAF_SNOWFLAKE的`service.id`使用疑问
URL: https://github.com/apache/incubator-shardingsphere/issues/3858#issuecomment-570476878
 
 
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[GitHub] [incubator-shardingsphere] xiaolongyuan commented on issue #3858: 自增ID算法LEAF_SNOWFLAKE的`service.id`使用疑问

Posted by GitBox <gi...@apache.org>.
xiaolongyuan commented on issue #3858: 自增ID算法LEAF_SNOWFLAKE的`service.id`使用疑问
URL: https://github.com/apache/incubator-shardingsphere/issues/3858#issuecomment-571955913
 
 
   地址 https://github.com/Meituan-Dianping/Leaf

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