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The actual work is to change Mysql settings to output the bin log in 'row' format and to spin up a docker container that has access to both Mysql and the messaging system. This will the write messages to Rabbit in Json form with what the new data looks like as well as the old. It also has meta data such as database, table, timestamp etc which processors could use if they wish.
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Overview of CDC with the rest of the TIS system
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