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Posted to issues-all@impala.apache.org by "Michael Smith (Jira)" <ji...@apache.org> on 2023/01/24 17:22:00 UTC

[jira] [Assigned] (IMPALA-11860) Query failure due to large buffer allocation provides insufficient context

     [ https://issues.apache.org/jira/browse/IMPALA-11860?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Smith reassigned IMPALA-11860:
--------------------------------------

    Assignee: Michael Smith

> Query failure due to large buffer allocation provides insufficient context
> --------------------------------------------------------------------------
>
>                 Key: IMPALA-11860
>                 URL: https://issues.apache.org/jira/browse/IMPALA-11860
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Backend
>    Affects Versions: Impala 4.2.0
>            Reporter: Michael Smith
>            Assignee: Michael Smith
>            Priority: Major
>
> When a query fails because SerializeToBuffer returns a "not OK" status in https://github.com/apache/impala/blob/4.2.0/be/src/runtime/query-state.cc#L646-L655, profile_len is always 0.
> Usually if SerializeToBuffer returns "not OK" it's because it failed to allocate more buffer space, and often has already allocated some buffer. It would help to know how much buffer is allocated, so SerializeToBuffer should update profile_len before returning an error.



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