[jira] [Updated] (CASSANDRA-10189) Unify read/writeUTF code paths

["Ariel Weisberg (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-10189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ariel Weisberg updated CASSANDRA-10189:
---------------------------------------
    Reviewer:   (was: Ariel Weisberg)

> Unify read/writeUTF code paths
> ------------------------------
>
>                 Key: CASSANDRA-10189
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10189
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Robert Stupp
>            Assignee: Robert Stupp
>
> (Follow-up to CASSANDRA-9738 and CASSANDRA-8670)
> CASSANDRA-9738 requires {{writeUTF}} functionality that has been improved in CASSANDRA-8670 plus {{readUTF}} functionality. But we need slightly different signatures - one taking {{DataInput}}/{{DataOutput}} and one taking {{ByteBuffer}}.
> We can combine both code paths and benefit from a shared, thread-local byte buffer.
> Slightly different implementations are needed for array backed and direct BBs (as we can directly access the backing array bypassing the direct BB's boundary checks).
> (Part of this has already been done for CASSANDRA-9738 in {{OHCKeyCache.SerializationUtil}})



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