releases: add TiDB 5.0.0-rc release notes #4507
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TomShawn
added
DNM until Ansible tag is ready
translation/from-docs-cn
9 tasks
TiKV
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TIDBNew Features
Experimental Features
Improvements |
zanmato1984
reviewed
Dec 29, 2020
HunDunDM
reviewed
Dec 31, 2020
| + TiKV | ||
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| - Support dynamically changing auto-tuned mode of RocksDB rate limiter | ||
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Suggested change
| + PD | |
| - Support using the Region score formula v2 to make the balance converge faster and more stable. | |
| - [#3269](https://github.com/tikv/pd/pull/3269) | |
| - [document](https://docs.pingcap.com/tidb/dev/pd-configuration-file#region-score-formula-version) | |
| - Support error/info log desensitization. | |
| - [project](https://github.com/pingcap/tidb/issues/18566) | |
| - [#2852](https://github.com/tikv/pd/issues/2852) | |
| - [document](https://docs.pingcap.com/tidb/dev/pd-configuration-file#redact-info-log-new-in-v500-rc) | |
| - Support handling `SplitRegions`. [#2965](https://github.com/tikv/pd/issues/2965) | |
| - Support using Joint Consensus in Region scheduling. (Experimental) | |
| - [project](https://github.com/tikv/tikv/issues/7587) | |
| - [document](https://docs.pingcap.com/tidb/dev/pd-configuration-file#enable-joint-consensus-new-in-v500-rc) | |
| + TiKV | ||
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| - Enable compaction guard by default, to split rocksdb SST files at TiKV region boundaries, to reduce overall compaction I/O | ||
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Suggested change
| + PD | |
| - Enable cross-table merge by default to reduce the impact of empty Regions on Region scheduling. [#3129](https://github.com/tikv/pd/pull/3129) | |
| - Enable placement rules by default. [#3006](https://github.com/tikv/pd/pull/3006) | |
| - Support assigning peer roles when performing `transfer-region`. [#3047](https://github.com/tikv/pd/pull/3047) | |
TomShawn
removed
DNM until Ansible tag is ready
translation/from-docs-cn
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This PR is replaced by #4600. |
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add TiDB 5.0.0-rc release notes
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