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*: add change log for 2.0 GA #1038

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Apr 27, 2018
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*: add change log for 2.0 GA #1038

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*: add change log for ga.
disksing Apr 26, 2018
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address comments.
disksing Apr 26, 2018
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address comments.
disksing Apr 26, 2018
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Merge branch 'master' into changlog
nolouch Apr 27, 2018
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10 changes: 10 additions & 0 deletions CHANGELOG.md
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# PD Change Log

## v2.0.0-GA
### New Features
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New Feature

* Support using pd-ctl to scatter spcified Regions for manual adjust hotspot regions in some cases
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manual adjust hotspot regions -> manually adjusting hotspot Regions

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Support using pd-ctl to scatter specified Regions for manually adjusting hotspot Regions in some cases

### Improves
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"Improve" is a verb. I don't think it's suitable here. You can use "Improvements", or "Breaking Changes".

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Improvements

* More configuration check rules to prevent unreasonable configurations
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"configurations" -> "configuration"

The "configuration" is an uncountable noun here when it is used for this meaning.

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Improve configuration check rules to prevent unreasonable scheduling configurations

* Optimize scheduling strategy when TiKV node has insufficient space, try the best to prevent disk from becoming full
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Suggestion: Optimize the scheduling strategy when a TiKV node has insufficient space so as to prevent the disk from being fully occupied

* Optimize hot-region scheduler execution efficiency and add more metrics
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Optimize the execution efficiency of the hot-region scheduler and add more metrics
Does "热点调度" mean hot-region scheduler or hotspot scheduler?

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It is named hot-region scheduler in code.

* Optimize Region health check logic to avoid generating redundant schedule operators

## v2.0.0-rc.5
### New Features
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New Feature
since there is only one new feature

* Support adding the learner node
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