[jira] [Resolved] (IMPALA-1678) Reconsider use of memory buffer in TSaslTransport

["Tim Armstrong (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-1678?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong resolved IMPALA-1678.
-----------------------------------
    Resolution: Later

Probably less relevant after the KRPC work

> Reconsider use of memory buffer in TSaslTransport
> -------------------------------------------------
>
>                 Key: IMPALA-1678
>                 URL: https://issues.apache.org/jira/browse/IMPALA-1678
>             Project: IMPALA
>          Issue Type: New Feature
>          Components: Perf Investigation
>    Affects Versions: Impala 2.1
>            Reporter: Henry Robinson
>            Priority: Minor
>              Labels: performance
>
> {{TSaslTransport}} uses a {{TMemoryBuffer}} to stage bytes that have not been read. {{TMemoryBuffer}} doubles its capacity when it needs to expand. This might not be the best policy - we should consider using a {{deque}} or some other efficient queue implementation.



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