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tidb: fix the name of tidb-max-reuse-chunk and tidb-max-reuse-column #13066

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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 #13066

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tidb: fix the name of tidb-max-reuse-chunk and tidb-max-reuse-column
Oreoxmt Feb 17, 2023
1fbd529
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 @@ -302,8 +302,8 @@ TiDB 版本：6.4.0-DMR
| TiDB | `tidb_memory_usage_alarm_ratio` | 废弃 | 该配置不再生效。|
| TiDB | `memory-usage-alarm-ratio` | 废弃 | 该配置项被系统变量 [`tidb_memory_usage_alarm_ratio`](/system-variables.md#tidb_memory_usage_alarm_ratio) 所取代。如果在升级前设置过该配置项，升级后原配置将不再生效。|
| TiDB | [`pessimistic-txn.constraint-check-in-place-pessimistic`](/tidb-configuration-file.md#constraint-check-in-place-pessimistic-从-v640-版本开始引入) | 新增 | 用于控制系统变量 [`tidb_constraint_check_in_place_pessimistic`](/system-variables.md#tidb_constraint_check_in_place_pessimistic-从-v630-版本开始引入) 的默认值，默认值为 `true`。|
| TiDB | [`tidb_max_reuse_chunk`](/tidb-configuration-file.md#tidb_max_reuse_chunk-从-v640-版本开始引入) | 新增 | 用于控制每个连接最多缓存的 Chunk 对象数，默认值为 `64`。 |
| TiDB | [`tidb_max_reuse_column`](/tidb-configuration-file.md#tidb_max_reuse_column-从-v640-版本开始引入) | 新增 | 用于控制每个连接最多缓存的 column 对象数，默认值为 `256`。 |
| TiDB | [`tidb-max-reuse-chunk`](/tidb-configuration-file.md#tidb-max-reuse-chunk-从-v640-版本开始引入) | 新增 | 用于控制每个连接最多缓存的 Chunk 对象数，默认值为 `64`。 |
| TiDB | [`tidb-max-reuse-column`](/tidb-configuration-file.md#tidb-max-reuse-column-从-v640-版本开始引入) | 新增 | 用于控制每个连接最多缓存的 column 对象数，默认值为 `256`。 |
| TiKV | [`cdc.raw-min-ts-outlier-threshold`](https://docs.pingcap.com/zh/tidb/v6.2/tikv-configuration-file#raw-min-ts-outlier-threshold-从-v620-版本开始引入) | 废弃 | 该配置不再生效。|
| TiKV | [`causal-ts.alloc-ahead-buffer`](/tikv-configuration-file.md#alloc-ahead-buffer-从-v640-版本开始引入) | 新增 | 预分配给 TSO 的缓存大小（以时长计算），默认值为 `3s`。|
| TiKV | [`causal-ts.renew-batch-max-size`](/tikv-configuration-file.md#renew-batch-max-size-从-v640-版本开始引入)| 新增 | 单次时间戳请求的最大数量，默认值为 `8192`。 |
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4 changes: 2 additions & 2 deletions tidb-configuration-file.md
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Expand Up @@ -15,14 +15,14 @@ TiDB 配置文件比命令行参数支持更多的选项。你可以在 [config/
+ 默认值：true
+ 如果需要创建大量的表（例如 10 万张以上），建议将此参数设置为 false。

### `tidb_max_reuse_chunk` <span class="version-mark">从 v6.4.0 版本开始引入</span>
### `tidb-max-reuse-chunk` <span class="version-mark">从 v6.4.0 版本开始引入</span>

+ 用于控制每个连接最多缓存的 Chunk 对象数。配置过大会增加 OOM 的风险。
+ 默认值：64
+ 最小值：0
+ 最大值：2147483647

### `tidb_max_reuse_column` <span class="version-mark">从 v6.4.0 版本开始引入</span>
### `tidb-max-reuse-column` <span class="version-mark">从 v6.4.0 版本开始引入</span>

+ 用于控制每个连接最多缓存的 column 对象数。配置过大会增加 OOM 的风险。
+ 默认值：256
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