> ## 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.

# s3queue_* 会话设置

> ClickHouse 在 s3queue_* 生成分组中的会话设置。

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.settings](/docs/zh/reference/system-tables/settings) 中查看，并由 [源文件](https://github.com/ClickHouse/ClickHouse/blob/master/src/Core/Settings.cpp) 自动生成。

<div id="s3queue_default_zookeeper_path">
  ## s3queue\_default\_zookeeper\_path
</div>

<SettingsInfoBlock type="String" default_value="/clickhouse/s3queue/" />

S3Queue 引擎的默认 ZooKeeper 路径前缀

<div id="s3queue_enable_logging_to_s3queue_log">
  ## s3queue\_enable\_logging\_to\_s3queue\_log
</div>

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

启用向 system.s3queue\_log 写入日志。可通过表设置为每个表单独覆盖该值

<div id="s3queue_keeper_fault_injection_probability">
  ## s3queue\_keeper\_fault\_injection\_probability
</div>

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

<VersionHistory rows={[{"id": "row-1","items": [{"label": "25.10"},{"label": "0"},{"label": "新设置。"}]}]} />

S3Queue 的 Keeper 故障注入概率。

<div id="s3queue_migrate_old_metadata_to_buckets">
  ## s3queue\_migrate\_old\_metadata\_to\_buckets
</div>

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

<VersionHistory rows={[{"id": "row-1","items": [{"label": "25.1"},{"label": "0"},{"label": "新设置。"}]}]} />

将 S3Queue 表的旧元数据结构迁移到新结构
