[jira] [Assigned] (IMPALA-13448) Impala should log the reason why it fails to open a log file

["Quanlong Huang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-13448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Quanlong Huang reassigned IMPALA-13448:
---------------------------------------

    Assignee:     (was: Quanlong Huang)
      Labels: newbie ramp-up  (was: )

> Impala should log the reason why it fails to open a log file
> ------------------------------------------------------------
>
>                 Key: IMPALA-13448
>                 URL: https://issues.apache.org/jira/browse/IMPALA-13448
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Backend
>            Reporter: Quanlong Huang
>            Priority: Critical
>              Labels: newbie, ramp-up
>
> When impala fails to flush lineage events, audit events or profiles, only the log file name is logged: "Could not open log file: filename". We should also log the cause for better troubleshooting.
> Here is an example to use the POSIX-compatible thread-local error number variable:
> https://stackoverflow.com/a/5836222
> https://en.cppreference.com/w/cpp/header/cerrno



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