> ## Documentation Index
> Fetch the complete documentation index at: https://private-7c7dfe99-postgresql-tls-support.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# format_* server settings

> ClickHouse server settings in the format_* generated group.

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
  }}>Type</div>
      <div style={{
    overflowWrap: "anywhere"
  }}>{type}</div>
      <div style={{
    fontWeight: 600,
    opacity: 0.72,
    marginInlineStart: "0.5rem"
  }}>Default</div>
      <div style={{
    overflowWrap: "anywhere"
  }}>{default_value}</div>
      {changeable_without_restart && <div style={{
    fontWeight: 600,
    opacity: 0.72,
    marginInlineStart: "0.5rem"
  }}>
          Changeable without restart
        </div>}
      {changeable_without_restart && <div style={{
    overflowWrap: "anywhere"
  }}>
          {changeable_without_restart}
        </div>}
    </div>;
};

These settings configure the ClickHouse server and are autogenerated from ClickHouse source.

<h2 id="format_parsing_thread_pool_queue_size">
  format\_parsing\_thread\_pool\_queue\_size
</h2>

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

The maximum number of jobs that can be scheduled on thread pool for parsing input.

<Note>
  A value of `0` means unlimited.
</Note>

<h2 id="format_schema_path">
  format\_schema\_path
</h2>

<SettingsInfoBlock type="String" default_value="/var/lib/clickhouse/format_schemas/" changeable_without_restart="No" />

The path to the directory with the schemes for the input data, such as schemas for the [CapnProto](/reference/formats/CapnProto) format.

**Example**

```xml theme={null}
<!-- Directory containing schema files for various input formats. -->
<format_schema_path>/var/lib/clickhouse/format_schemas/</format_schema_path>
```