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Update system-variables.md
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Co-authored-by: Grace Cai <[email protected]>
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CbcWestwolf and qiancai authored Nov 18, 2024
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Expand Up @@ -1523,7 +1523,7 @@ mysql> SELECT job_info FROM mysql.analyze_jobs ORDER BY end_time DESC LIMIT 1;
- 是否受 Hint [SET_VAR](/optimizer-hints.md#set_varvar_namevar_value) 控制:否
- 类型:整数型
- 默认值:`0`
- 范围:`[0, 1125899906842624]`1 PiB)
- 范围:`[0, 1125899906842624]`即最大可设置为 1 PiB)
- 该变量仅在添加索引加速功能开启(由变量 [`tidb_ddl_enable_fast_reorg`](#tidb_ddl_enable_fast_reorg-从-v630-版本开始引入) 控制)时生效,用于限制每个 TiKV 节点写入的带宽。 默认值 `0` 表示不限制写入带宽。默认单位为字节每秒,也可以通过 `'1GiB'`、`256MiB` 等格式设置该变量。

### `tidb_ddl_reorg_worker_cnt`
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