[jira] [Updated] (CASSSIDECAR-499) CDC batch-write mixing a CDC-enabled and CDC-disabled table drops the CDC table's mutation

["Jyothsna Konisa (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSSIDECAR-499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jyothsna Konisa updated CASSSIDECAR-499:
----------------------------------------
    Change Category: Semantic
         Complexity: Normal
        Component/s: CDC
      Fix Version/s: 0.5
           Assignee: Jyothsna Konisa
             Status: Open  (was: Triage Needed)

> CDC batch-write mixing a CDC-enabled and CDC-disabled table drops the CDC table's mutation
> ------------------------------------------------------------------------------------------
>
>                 Key: CASSSIDECAR-499
>                 URL: https://issues.apache.org/jira/browse/CASSSIDECAR-499
>             Project: Sidecar for Apache Cassandra
>          Issue Type: Improvement
>          Components: CDC
>            Reporter: Jyothsna Konisa
>            Assignee: Jyothsna Konisa
>            Priority: Major
>             Fix For: 0.5
>
>
> A single BEGIN BATCH CQL statement that writes to a CDC-enabled table and a CDC-disabled table under the same partition key, in the same keyspace, produces one commit log Mutation spanning both tables (Cassandra groups batch writes this way at the storage-engine level, independent of CDC). CDC bridge's Schema.instance was only ever populated with CDC-enabled tables and when such a mixed-table Mutation was read from the commit log, we are seeing unknown table exception causing mutation loss.



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