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[GitHub] [incubator-doris] weizuo93 commented on issue #4329: [Proposal] Optimize the disk selection strategy for tablet creation

weizuo93 commented on issue #4329:
URL: https://github.com/apache/incubator-doris/issues/4329#issuecomment-671969261


   In the simulation experiment, the number of disks on the BE node is set to 10, and the total number of tablets created after the initial state is 30000.
   
   In the initial state, the distribution of tablets among different disks is balanced. When using different disk selection strategies, the number of tablets on different disks is distributed as shown in the figure below after all tablets are created.
   ![figure_3](https://user-images.githubusercontent.com/68884553/89907059-c0ccd380-dc1e-11ea-99c1-387fe3732200.jpeg)
   
   In the initial state, the distribution of tablets among different disks is unbalanced. When using different disk selection strategies, the number of tablets on different disks is distributed as shown in the figure below after all tablets are created.
   ![figure_4](https://user-images.githubusercontent.com/68884553/89907192-ec4fbe00-dc1e-11ea-8dd2-3d89fa2f492f.jpeg)
   
   
   


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