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tidb: fix the name of tidb-max-reuse-chunk and tidb-max-reuse-column #12557

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Feb 17, 2023
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tidb: fix the name of tidb-max-reuse-chunk and tidb-max-reuse-column #12557

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e728e6b
tidb: fix the name of tidb-max-reuse-chunk and tidb-max-reuse-column
Oreoxmt Feb 17, 2023
6c13e58
fix ci
Oreoxmt Feb 17, 2023
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4 changes: 2 additions & 2 deletions releases/release-6.4.0.md
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Expand Up @@ -301,8 +301,8 @@ In v6.4.0-DMR, the key new features and improvements are as follows:
| TiDB | `tidb_memory_usage_alarm_ratio` | Deleted | This configuration item is no longer effective. |
| TiDB | `memory-usage-alarm-ratio` | Deleted | Replaced by the system variable [`tidb_memory_usage_alarm_ratio`](/system-variables.md#tidb_memory_usage_alarm_ratio). If this configuration item has been configured in a TiDB version earlier than v6.4.0, it will not take effect after the upgrade. |
| TiDB | [`pessimistic-txn.constraint-check-in-place-pessimistic`](/tidb-configuration-file.md#constraint-check-in-place-pessimistic-new-in-v640) | Newly added | Controls the default value of the system variable [`tidb_constraint_check_in_place_pessimistic`](/system-variables.md#tidb_constraint_check_in_place_pessimistic-new-in-v630). The default value is `true`. |
| TiDB | [`tidb_max_reuse_chunk`](/tidb-configuration-file.md#tidb_max_reuse_chunk-new-in-v640) | Newly added | Controls the maximum cached chunk objects of chunk allocation. The default value is `64`.|
| TiDB | [`tidb_max_reuse_column`](/tidb-configuration-file.md#tidb_max_reuse_column-new-in-v640) | Newly added | Controls the maximum cached column objects of chunk allocation. The default value is `256`. |
| TiDB | [`tidb-max-reuse-chunk`](/tidb-configuration-file.md#tidb-max-reuse-chunk-new-in-v640) | Newly added | Controls the maximum cached chunk objects of chunk allocation. The default value is `64`.|
| TiDB | [`tidb-max-reuse-column`](/tidb-configuration-file.md#tidb-max-reuse-column-new-in-v640) | Newly added | Controls the maximum cached column objects of chunk allocation. The default value is `256`. |
| TiKV | [`cdc.raw-min-ts-outlier-threshold`](https://docs.pingcap.com/tidb/v6.2/tikv-configuration-file#raw-min-ts-outlier-threshold-new-in-v620) | Deprecated | This configuration item is no longer effective. |
| TiKV | [`causal-ts.alloc-ahead-buffer`](/tikv-configuration-file.md#alloc-ahead-buffer-new-in-v640) | Newly added | The pre-allocated TSO cache size (in duration). The default value is `3s`. |
| TiKV | [`causal-ts.renew-batch-max-size`](/tikv-configuration-file.md#renew-batch-max-size-new-in-v640)| Newly added | Controls the maximum number of TSOs in a timestamp request. The default value is `8192`. |
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4 changes: 2 additions & 2 deletions tidb-configuration-file.md
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Expand Up @@ -17,14 +17,14 @@ The TiDB configuration file supports more options than command-line parameters.
- Default value: `true`
- It is recommended to set it to `false` if you need to create a large number of tables (for example, more than 100 thousand tables).

### `tidb_max_reuse_chunk` <span class="version-mark">New in v6.4.0</span>
### `tidb-max-reuse-chunk` <span class="version-mark">New in v6.4.0</span>

- Controls the maximum cached chunk objects of chunk allocation. Setting this configuration item to too large a value might increase the risk of OOM.
- Default value: `64`
- Minimum value: `0`
- Maximum value: `2147483647`

### `tidb_max_reuse_column` <span class="version-mark">New in v6.4.0</span>
### `tidb-max-reuse-column` <span class="version-mark">New in v6.4.0</span>

- Controls the maximum cached column objects of chunk allocation. Setting this configuration item to too large a value might increase the risk of OOM.
- Default value: `256`
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