> ## Documentation Index
> Fetch the complete documentation index at: https://clickhouse.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# replicated_max_* MergeTree 表设置

> ClickHouse 在 replicated_max_* 自动生成分组中的 MergeTree 表设置。

export const SettingsInfoBlock = ({type, default_value, changeable_without_restart}) => {
  return <div className="not-prose" style={{
    display: "flex",
    flexWrap: "wrap",
    alignItems: "baseline",
    columnGap: "0.5rem",
    rowGap: "0.125rem",
    margin: "0.375rem 0",
    fontSize: "0.8125rem",
    lineHeight: "1.125rem"
  }}>
      <div style={{
    fontWeight: 600,
    opacity: 0.72
  }}>类型</div>
      <div style={{
    overflowWrap: "anywhere"
  }}>{type}</div>
      <div style={{
    fontWeight: 600,
    opacity: 0.72,
    marginInlineStart: "0.5rem"
  }}>默认值</div>
      <div style={{
    overflowWrap: "anywhere"
  }}>{default_value}</div>
      {changeable_without_restart && <div style={{
    fontWeight: 600,
    opacity: 0.72,
    marginInlineStart: "0.5rem"
  }}>
          无需重启即可更改
        </div>}
      {changeable_without_restart && <div style={{
    overflowWrap: "anywhere"
  }}>
          {changeable_without_restart}
        </div>}
    </div>;
};

这些设置可在 [system.merge\_tree\_settings](/docs/zh/reference/system-tables/merge_tree_settings) 中查看，且由 ClickHouse 源代码自动生成。

<div id="replicated_max_mutations_in_one_entry">
  ## replicated\_max\_mutations\_in\_one\_entry
</div>

<SettingsInfoBlock type="UInt64" default_value="10000" />

可合并后在
单个 MUTATE\_PART 条目中执行的最大变更命令数 (0 表示不受限制)

<div id="replicated_max_parallel_fetches">
  ## replicated\_max\_parallel\_fetches
</div>

<SettingsInfoBlock type="UInt64" default_value="0" />

已废弃，无任何作用。

<div id="replicated_max_parallel_fetches_for_host">
  ## replicated\_max\_parallel\_fetches\_for\_host
</div>

<SettingsInfoBlock type="UInt64" default_value="15" />

已废弃，不起作用。

<div id="replicated_max_parallel_fetches_for_table">
  ## replicated\_max\_parallel\_fetches\_for\_table
</div>

<SettingsInfoBlock type="UInt64" default_value="0" />

已废弃，不起任何作用。

<div id="replicated_max_parallel_sends">
  ## replicated\_max\_parallel\_sends
</div>

<SettingsInfoBlock type="UInt64" default_value="0" />

已废弃，不起任何作用。

<div id="replicated_max_parallel_sends_for_table">
  ## replicated\_max\_parallel\_sends\_for\_table
</div>

<SettingsInfoBlock type="UInt64" default_value="0" />

已废弃，不起作用。

<div id="replicated_max_ratio_of_wrong_parts">
  ## replicated\_max\_ratio\_of\_wrong\_parts
</div>

<SettingsInfoBlock type="Float" default_value="0.5" />

如果错误 parts 占 parts 总数的比例小于该值，则
允许启动。

可能的值：

* Float，0.0 - 1.0