TiKV config: remove allow-remove-leader and raft-msg-flush-interval (#…

…7420)

dynamic-config.md

@@ -151,7 +151,6 @@ The following TiKV configuration items can be modified online:
 | `raftstore.peer-stale-state-check-interval` | The time interval to check whether a peer is without a leader |
 | `raftstore.consistency-check-interval` | The time interval to check consistency |
 | `raftstore.raft-store-max-leader-lease` | The longest trusted period of a Raft leader |
-| `raftstore.allow-remove-leader` | Determines whether to allow deleting the main switch |
 | `raftstore.merge-check-tick-interval` | The time interval for merge check |
 | `raftstore.cleanup-import-sst-interval` | The time interval to check expired SST files |
 | `raftstore.local-read-batch-size` | The maximum number of read requests processed in one batch |

releases/release-5.3.0.md

@@ -45,7 +45,7 @@ In v5.3, the key new features or improvements are as follows:
 | TiKV | `memory-usage-limit` | Modified  | This configuration item is new in TiDB v5.3.0 and its value is calculated based on storage.block-cache.capacity. |
 | TiKV | [`raftstore.store-io-pool-size`](/tikv-configuration-file.md#store-io-pool-size-new-in-v530) | Newly added | The allowable number of threads that process Raft I/O tasks, which is the size of the StoreWriter thread pool. When you modify the size of this thread pool, refer to [Performance tuning for TiKV thread pools](/tune-tikv-thread-performance.md#performance-tuning-for-tikv-thread-pools). |
 | TiKV | [`raftstore.raft-write-size-limit`](/tikv-configuration-file.md#raft-write-size-limit-new-in-v530) | Newly added | Determines the threshold at which Raft data is written into the disk. If the data size is larger than the value of this configuration item, the data is written to the disk. When the value of `raftstore.store-io-pool-size` is `0`, this configuration item does not take effect. |
-| TiKV | [`raftstore.raft-msg-flush-interval`](/tikv-configuration-file.md#raft-msg-flush-interval-new-in-v530) | Newly added | Determines the interval at which Raft messages are sent in batches. The Raft messages in batches are sent at every interval specified by this configuration item. When the value of `raftstore.store-io-pool-size` is `0`, this configuration item does not take effect. |
+| TiKV | `raftstore.raft-msg-flush-interval` | Newly added | Determines the interval at which Raft messages are sent in batches. The Raft messages in batches are sent at every interval specified by this configuration item. When the value of `raftstore.store-io-pool-size` is `0`, this configuration item does not take effect. |
 | TiKV | `raftstore.raft-reject-transfer-leader-duration`  | Deleted | Determines the smallest duration that a Leader is transferred to a newly added node. |
 | PD | [`log.file.max-days`](/pd-configuration-file.md#max-days) | Modified | Controls the maximum number of days that logs are retained for. The default value is changed from `1` to `0`. |
 | PD | [`log.file.max-backups`](/pd-configuration-file.md#max-backups) | Modified | Controls the maximum number of logs that are retained for. The default value is changed from `7` to `0`.  |

tikv-configuration-file.md

@@ -643,11 +643,6 @@ Configuration items related to Raftstore
 + Default value: `"9s"`
 + Minimum value: `0`
 
-### `allow-remove-leader`
-
-+ Determines whether to allow deleting the main switch
-+ Default value: `false`
-
 ### `merge-max-log-gap`
 
 + The maximum number of missing logs allowed when `merge` is performed
@@ -731,12 +726,6 @@ Configuration items related to Raftstore
 + Default value: `1MB`
 + Minimum value: `0`
 
-### `raft-msg-flush-interval` <span class="version-mark">New in v5.3.0</span>
-
-+ Determines the interval at which Raft messages are sent in batches. The Raft messages in batches are sent at every interval specified by this configuration item. When the value of `store-io-pool-size` is `0`, this configuration item does not take effect.
-+ Default value: `250us`
-+ Minimum value: `0`
-
 ## Coprocessor
 
 Configuration items related to Coprocessor