[jira] [Commented] (CASSANDRA-4573) HSHA doesn't handle large messages gracefully

["Tyler Hobbs (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-4573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13727028#comment-13727028 ] 

Tyler Hobbs commented on CASSANDRA-4573:
----------------------------------------

After a quick check, it looks like the CASSANDRA-5582 implementation also doesn't enforce the max frame size.
                
> HSHA doesn't handle large messages gracefully
> ---------------------------------------------
>
>                 Key: CASSANDRA-4573
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4573
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Tyler Hobbs
>            Assignee: Tyler Hobbs
>         Attachments: repro.py
>
>
> HSHA doesn't seem to enforce any kind of max message length, and when messages are too large, it doesn't fail gracefully.
> With debug logs enabled, you'll see this:
> {{DEBUG 13:13:31,805 Unexpected state 16}}
> Which seems to mean that there's a SelectionKey that's valid, but isn't ready for reading, writing, or accepting.
> Client-side, you'll get this thrift error (while trying to read a frame as part of {{recv_batch_mutate}}):
> {{TTransportException: TSocket read 0 bytes}}

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