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

# Apache Impala

You can use the Apache Impala connector from the CData Sync application to capture data
from Apache Impala and move it to any supported destination. To do so, you need to add
the connector, authenticate to the connector, and complete your connection.

## Add the Apache Impala Connector

To enable Sync to use data from Apache Impala, you first must add the
connector, as follows:

<ol>
  <li>Open the **Connections** page of the Sync dashboard.</li>
  <li>Click **Add Connection** to open the **Select Connectors** page.</li>
  <li>Click the **Sources** tab and locate
  the **Apache Impala** row.</li>

  <li>
    Click the **Configure Connection** icon at the end of that row to open
    the **New Connection** page. This action opens the
    **Add Connection** dialog.

    **Note:** If the **Configure Connection** icon is not
    available, click the **Download Connector** icon to install
    the Apache Impala connector.
  </li>

  <li>Enter a name for your connection in the **Add Connection** dialog.</li>
  <li>Click **Add** to open the **Settings** tab for your connector.</li>
</ol>

For more information about installing new connectors, see
[Connections](https://docs.sync.cdata.com/26.4/en/connections/connections.md).

## Authenticate to Apache Impala

After you add the connector, you need to set the required properties.

**Server:** Enter the name of the server that hosts Apache Impala.

CData Sync supports authenticating to Apache Impala in several ways. Select your authentication method below to proceed to the relevant section that contains the authentication details.

* [**NoSasl**](#nosasl) (default)
* [**LDAP**](#ldap)
* [**Kerberos**](#kerberos)

### NoSasl

To connect without authentication, select **NoSasl** for **Auth Scheme**. No additional properties are required.

### LDAP

To connect with LDAP credentials, specify the following properties:

* **Auth Scheme:** Select **LDAP**.
* **User:** Enter the username that you use to authenticate to your Apache Impala account.
* **Password:** Enter the password that you use to authenticate to your Apache Impala account.

### Kerberos

To connect with Kerberos, specify these settings:

<ul><li>**Auth Scheme:** Select **Kerberos**.</li>
<li>**User:** Enter the username that you use to authenticate to your Apache Impala account.</li>
<li>**Password:** Enter the password that you use to authenticate to your Apache Impala account.</li>
<li>**Kerberos KDC:** Enter the host name or IP address of your Kerberos Key Distribution Center (KDC) machine.</li>
<li>**Kerberos Realm:** Enter the Kerberos realm that you use to authenticate to Kerberos.</li>
<li>**Kerberos SPN:** Enter the service principal name (SPN) for the Kerberos domain controller.</li>
<li>**Kerberos User:** Enter the principal name for the Kerberos Domain Controller. The name should be in the form ***Host*/*User*@*Realm***.</li>
<li>(Optional) **Kerberos Keytab File:** Enter the full file path to your Kerberos keytab file.</li>
<li>(Optional) **Kerberos Ticket Cache:** Enter the full file path to an MIT Kerberos credential cache file.</li></ul>

## Complete Your Connection

To complete your connection:

1. Specify the following properties:
   * **Transport Mode:** Select the transport mode that you want to use to communicate with the Impala server:
     * **BINARY:** The default mode.
     * **HTTP:** For this mode, you also must specify a value for **HTTP Path**, which is the path component of the URL endpoint. The default value is **cliservice**.
   * **Port:** Enter the port number for the connection to your Apache Impala server instance. The default port is **21050**.
   * **Database:** Enter the name of the Apache Impala database that you want to use.
   * **Protocol Version:** Select the Thrift protocol version to use when you connect to the Apache Impala server. The default version is **7**.
2. Define advanced connection settings on the **Advanced** tab. (In most cases, though, you should not need these settings.)
3. Click **Create & Test** to create your connection.

## More Information

For more information about interactions between CData Sync and Apache Impala, see
[Apache Impala Connector for CData Sync](https://cdn.cdata.com/help/GIN/synch/default.htm).


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