[GitHub] [shardingsphere] Zzshuo opened a new issue #8122: inventoryDataScaling Multiple threads migrating block

Tue, 10 Nov 2020 04:58:00 -0800 


Zzshuo opened a new issue #8122:
URL: https://github.com/apache/shardingsphere/issues/8122


   ## Bug Report
   
   Please answer these questions before submitting your issue. Thanks!
   
   ### Which version of ShardingSphere did you use?
   5.0
   
   ### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
   ShardingSphere-scaling
   
   ### Expected behavior
   Multiple threads migrating together
   
   ### Actual behavior
   inventoryDataScaling Multiple threads migrating block
   
   ### Reason analyze (If you can)
     waitForResult(future) method blocked on the scalingTasks foreach start
   
   
![image](https://user-images.githubusercontent.com/12946820/98673572-7b8d7e80-2392-11eb-9fea-e46bc8263150.png)
   
   
![image](https://user-images.githubusercontent.com/12946820/98673570-7b8d7e80-2392-11eb-83a8-5b6ab18fd154.png)
   
   ### Steps to reproduce the behavior, such as: SQL to execute, sharding rule 
configuration, when exception occur etc.
   use shardingsphere-ui scaling table. when conurrency>1 ,It will occur，next 
conurrency start after prev conurrency finished.
   ### Example codes for reproduce this issue (such as a github link). 
   


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