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

# /show/wal

```
URL: http://<db.host>:<db.port>/show/wal
```

Requests table write-ahead log (WAL) properties. Returns information about the
requested table WAL entries.

## Input Parameter Description

<ParamField body="table_names" type="array of strings">
  List of tables to query. An asterisk returns all tables.
</ParamField>

<ParamField body="options" type="map of string to strings">
  Optional parameters.

  The default value is an empty map ( \{} ).

  <Expandable title="options">
    <ParamField body="show_settings">
      If *true* include a map of the WAL settings for the requested tables.

      The default value is `true`.

      The supported values are:

      * true
      * false
    </ParamField>
  </Expandable>
</ParamField>

## Output Parameter Description

The Kinetica server embeds the endpoint response inside a standard response structure which contains status information and the actual response to the query.  Here is a description of the various fields of the wrapper:

<ResponseField name="status" type="String">
  'OK' or 'ERROR'
</ResponseField>

<ResponseField name="message" type="String">
  Empty if success or an error message
</ResponseField>

<ResponseField name="data_type" type="String">
  'show\_wal\_response' or 'none' in case of an error
</ResponseField>

<ResponseField name="data" type="String">
  Empty string
</ResponseField>

<ResponseField name="data_str" type="JSON or String">
  This embedded JSON represents the result of the /show/wal endpoint:

  <Expandable title="data_str">
    <ResponseField name="table_names" type="array of strings">
      List of returned tables.
    </ResponseField>

    <ResponseField name="sizes" type="array of arrays of longs">
      List of current WAL usage.
    </ResponseField>

    <ResponseField name="capacities" type="array of longs">
      List of WAL capacities.
    </ResponseField>

    <ResponseField name="uncommitted" type="array of arrays of longs">
      List of number of uncommitted entries.
    </ResponseField>

    <ResponseField name="settings" type="array of maps of string to strings">
      List of table WAL settings.
    </ResponseField>

    <ResponseField name="info" type="map of string to strings">
      Additional information.
    </ResponseField>
  </Expandable>

  Empty string in case of an error.
</ResponseField>