<commit_before># PD Change Log

## v2.0.1
### Improvements
* Optimize the scheduling of Merge Region to prevent the newly split Region from being merged
* Add Learner related metrics
### Bug Fixes
* Fix the issue that the scheduler is mistakenly deleted after restart
* Fix the error that occurs when parsing the configuration file
* Fix the issue that the etcd leader and the PD leader are not synchronized
* Fix the issue that Learner still appears after it is closed
<commit_msg>update change log for 2.0.1 (#1068)<commit_after># PD Change Log

## v2.0.1
### New Feature
* Add the `Scatter Range` scheduler to balance Regions with the specified key range
### Improvements
* Optimize the scheduling of Merge Region to prevent the newly split Region from being merged
* Add Learner related metrics
### Bug Fixes
* Fix the issue that the scheduler is mistakenly deleted after restart
* Fix the error that occurs when parsing the configuration file
* Fix the issue that the etcd leader and the PD leader are not synchronized
* Fix the issue that Learner still appears after it is closed
* Fix the issue that Regions fail to load because the packet size is too large

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