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Replicate Kafka Data to Multiple Databases
Replicate Kafka data to disparate databases with a point-and-click configuration.
Always-on applications rely on automatic failover capabilities and real-time access to data. CData Sync integrates live Kafka data into your mirrored databases, always-on cloud databases, and other databases such as your reporting server: Automatically synchronize with remote Kafka data from Windows.
Configure Replication Destinations
Using CData Sync, you can replicate data from Kafka to any number of databases, both cloud-based and on-premises. In this example, we use SQLite as the replication destination to demonstrate the process. To add it as a destination, navigate to the Connections tab.
For each destination database:
- Click Add Connection.
- Select the Destinations tab and locate the SQLite connector.
- Click the Configure Connection icon at the end of that row to open the New Connection page. If the Configure Connection icon is not available, click the Download Connector icon to install the SQLite connector. For more information about installing new connectors, see Connections in the Help documentation.
- To connect to SQLite, set the following connection properties:
- Connection Name: Enter a connection name of your choice.
- Data Source: Enter the path to the database. You can replicate to an existing database or to a new one. The application must have permission to access the database.
- Once connected, click Create & Test to create, test and save the connection.
You are now connected to SQLite and can use it as both a source and a destination.
NOTE: You can use the Label feature to add a label for a source or a destination.
Configure the Kafka Connection
You can configure a connection to Kafka from the Connections tab. To add a connection to your Kafka account, navigate to the Connections tab.
- Click Add Connection.
- Select a source (Kafka).
- Configure the connection properties.
Set BootstrapServers and the Topic properties to specify the address of your Apache Kafka server, as well as the topic you would like to interact with.
Authorization Mechanisms
- SASL Plain: The User and Password properties should be specified. AuthScheme should be set to 'Plain'.
- SASL SSL: The User and Password properties should be specified. AuthScheme should be set to 'Scram'. UseSSL should be set to true.
- SSL: The SSLCert and SSLCertPassword properties should be specified. UseSSL should be set to true.
- Kerberos: The User and Password properties should be specified. AuthScheme should be set to 'Kerberos'.
You may be required to trust the server certificate. In such cases, specify the TrustStorePath and the TrustStorePassword if necessary.
- Click Connect to Kafka to ensure that the connection is configured properly.
- Click Save & Test to save the changes.
Configure Replication Queries
CData Sync enables you to control replication with a point-and-click interface and with SQL queries. For each replication you wish to configure, navigate to the Jobs tab and click Add Job. Select the Source and Destination for your replication.
Replicate Entire Tables
To replicate an entire table, navigate to the Task tab in the Job, click Add Tasks, choose the table(s) from the list of Kafka tables you wish to replicate into SQLite, and click Add Tasks again.
Customize Your Replication
You can use the Columns and Query tabs of a task to customize your replication. The Columns tab allows you to specify which columns to replicate, rename the columns at the destination, and even perform operations on the source data before replicating. The Query tab allows you to add filters, grouping, and sorting to the replication with the help of SQL queries.
The statement below caches and incrementally updates a table of Kafka data:
REPLICATE SampleTable_1;
You can specify a file containing the replication queries you want to use to update a particular database. Separate the replication statements with semicolons. The following options are useful when replicating multiple Kafka accounts into the same database:
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Use a different table prefix in the REPLICATE SELECT statement:
REPLICATE PROD_SampleTable_1 SELECT * FROM SampleTable_1;
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Alternatively, use a different schema:
REPLICATE PROD.SampleTable_1 SELECT * FROM SampleTable_1;
Schedule Your Replication
Select the Overview tab in the Job, and click Configure under Schedule. You can schedule a job to run automatically by configuring it to run at specified intervals, ranging from once every 10 minutes to once every month.
Once you have configured the replication job, click Save Changes. You can configure any number of jobs to manage the replication of your Kafka data to disparate on-premises, cloud-based, and other databases.
Run the Replication Job
Once all the required configurations are made for the job, select the Kafka table you wish to replicate and click Run. After the replication completes successfully, a notification appears, showing the time taken to run the job and the number of rows replicated.
Free Trial & More Information
Now that you've seen how to replicate and configure multiple jobs to manage the replication of your Kafka data to various on-premises, cloud-based, and other databases, visit our CData Sync page to learn more and download a free 30-day trial. Start consolidating your enterprise data today!
As always, our world-class Support Team is ready to answer any questions you may have.
