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Replicate Multiple Elasticsearch Accounts
Replicate multiple Elasticsearch accounts to one or many databases.
CData Sync is a stand-alone application that provides solutions for a variety of replication scenarios such as replicating sandbox and production instances into your database. CData Sync includes a web-based interface that makes it easy to manage multiple Elasticsearch connections. In this article we show how to use the web app to replicate multiple Elasticsearch accounts to a single database.
About Elasticsearch Data Integration
Accessing and integrating live data from Elasticsearch has never been easier with CData. Customers rely on CData connectivity to:
- Access both the SQL endpoints and REST endpoints, optimizing connectivity and offering more options when it comes to reading and writing Elasticsearch data.
- Connect to virtually every Elasticsearch instance starting with v2.2 and Open Source Elasticsearch subscriptions.
- Always receive a relevance score for the query results without explicitly requiring the SCORE() function, simplifying access from 3rd party tools and easily seeing how the query results rank in text relevance.
- Search through multiple indices, relying on Elasticsearch to manage and process the query and results instead of the client machine.
Users frequently integrate Elasticsearch data with analytics tools such as Crystal Reports, Power BI, and Excel, and leverage our tools to enable a single, federated access layer to all of their data sources, including Elasticsearch.
For more information on CData's Elasticsearch solutions, check out our Knowledge Base article: CData Elasticsearch Driver Features & Differentiators.
Getting Started
Configure the Replication Destination
Using CData Sync, you can replicate Elasticsearch data to any number of databases, both cloud-based and on-premises. To add a replication destination, navigate to the Connections tab.
- Click Add Connection.
- Select a destination and enter the necessary connection properties. In this article, we use SQLite.
- Enter the necessary connection properties. To replicate Elasticsearch to a SQLite database, enter a file path in the Data Source box.
- Click Test Connection to ensure that the connection is configured properly.
![]( "Configure a Destination connection (SQLite is shown).")
- Click Save Changes.
Configure Elasticsearch Connections
You can configure connections to Elasticsearch from the Connections tab. To add a connection to one of your Elasticsearch accounts, navigate to the Connections tab. For each Elasticsearch account you wish to replicate, do the following:
- Click Add Connection.
- Select a source (Elasticsearch).
- Configure the connection properties.
Set the Server and Port connection properties to connect. To authenticate, set the User and Password properties, PKI (public key infrastructure) properties, or both. To use PKI, set the SSLClientCert, SSLClientCertType, SSLClientCertSubject, and SSLClientCertPassword properties.
The data provider uses X-Pack Security for TLS/SSL and authentication. To connect over TLS/SSL, prefix the Server value with 'https://'. Note: TLS/SSL and client authentication must be enabled on X-Pack to use PKI.
Once the data provider is connected, X-Pack will then perform user authentication and grant role permissions based on the realms you have configured.
![]( "Configure a Source connection (Salesforce is shown).")
- Click Connect to ensure that the connection is configured properly.
- Click Save Changes.
Configure Queries for Each Elasticsearch Instance
CData Sync enables you to control replication with a point-and-click interface and with SQL queries. To configure a replication, 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, click Add Tables in the Tables section, choose the table(s) you wish to replicate, and click Add Selected Tables.
Customize Your Replication
You can use a SQL query to customize your replication. The REPLICATE statement is a high-level command that caches and maintains a table in your database. You can define any SELECT query supported by the Elasticsearch API. To customize your replication, click Add Custom Query in the Tables section and define the Query Statement.
The statement below caches and incrementally updates a table of Elasticsearch data:
REPLICATE Orders;
You can specify a file containing the replication queries you want to use to update a particular database. Separate replication statements with semicolons. The following options are useful if you are replicating multiple Elasticsearch accounts into the same database:
-
Use a different table prefix in the REPLICATE SELECT statement:
REPLICATE PROD_Orders SELECT * FROM Orders; -
Alternatively, use a different schema:
REPLICATE PROD.Orders SELECT * FROM Orders;
Schedule Your Replication
In the Schedule section, you can schedule a job to run automatically, configuring the job to run after 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 the data from your different Elasticsearch accounts.
