[jira] [Created] (IGNITE-18992) Use single partition topic for metadata updates

["Ilya Shishkov (Jira)" <ji...@apache.org>]

Ilya Shishkov created IGNITE-18992:
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             Summary: Use single partition topic for metadata updates
                 Key: IGNITE-18992
                 URL: https://issues.apache.org/jira/browse/IGNITE-18992
             Project: Ignite
          Issue Type: Task
          Components: extensions
            Reporter: Ilya Shishkov


In order to read data with guaranteed order, metadata topic must have only one partition. To achieve this we should:
* Write binary types and marshaller mappings only to a single partition in {{IgniteToKafkaCdcStreamer#onMappings}} and {{#onTypes}}.
* Assign {{KafkaConsumer}} in {{KafkaToIgniteMetadataUpdater}} to a single partition.
* Print warnings into logs, when topic has more than one partition.



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