[jira] [Updated] (CASSANDRA-12311) Propagate TombstoneOverwhelmingException to the client

["Geoffrey Yu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-12311?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Geoffrey Yu updated CASSANDRA-12311:
------------------------------------
    Attachment: 12311-trunk.txt

> Propagate TombstoneOverwhelmingException to the client
> ------------------------------------------------------
>
>                 Key: CASSANDRA-12311
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12311
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Geoffrey Yu
>            Assignee: Geoffrey Yu
>            Priority: Minor
>         Attachments: 12311-trunk.txt
>
>
> Right now if a data node fails to perform a read because it ran into a TombstoneOverwhelmingException, it only responds back to the coordinator node with a generic failure. Under this scheme, the coordinator won't be able to know exactly why the request failed and subsequently the client only gets a generic ReadFailureException. It would be useful to inform the client that their read failed because we read too many tombstones. We should have the data nodes reply with a failure type so the coordinator can pass this information to the client.



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