| Apache Ignite Change Data Capture Module |
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| Apache Ignite CDC is a data processing pattern used to asynchronously receive entries that have been changed on the local node so that action can be taken using the changed entry. |
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| This module provides the clients with simple CDC implementations strategies for inter-cluster communication. Active-Passive and Active-Active replication strategies can be established with different CDC clients. Each such client should be started up for each node participating in CDC. |
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| ==== Installation |
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| . Build `cdc-ext` module with maven: |
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| ```console |
| $~/src/ignite-extensions/> mvn clean install -f modules/cdc-ext -Pcheckstyle,extension-release,skip-docs -DskipTests |
| $~/src/ignite-extensions/> ls modules/cdc-ext/target | grep zip |
| ignite-cdc-ext-bin.zip |
| ``` |
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| . The resulting binary will be located under 'target' directory. Unpack `ignite-cdc-ext-bin.zip` archive to `$IGNITE_HOME` folder to enable CDC. |
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| For Linux/Macos you can use in the ignite root with cdc binary: |
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| ```console |
| $ unzip ignite-cdc-ext-bin.zip |
| $ cp -r ignite-cdc-ext/* . |
| ``` |
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| Now, you have additional binary `$IGNITE_HOME/bin/kafka-to-ignite.sh`, `$IGNITE_HOME/libs/optional/ignite-cdc-ext` module and configuration examples under `$IGNITE_HOME/examples/config/cdc-start-up` |
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| To run the examples, use the binary `$IGNITE_HOME/examples/cdc-start-up/cdc-start-up.sh` |
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| Use Apache Ignite documentation to explore CDC capabilities. |
