[jira] [Assigned] (FLINK-15679) Improve Flink's ID system

["Xintong Song (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-15679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xintong Song reassigned FLINK-15679:
------------------------------------

    Assignee: Yangze Guo

> Improve Flink's ID system
> -------------------------
>
>                 Key: FLINK-15679
>                 URL: https://issues.apache.org/jira/browse/FLINK-15679
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / Coordination
>            Reporter: Yangze Guo
>            Assignee: Yangze Guo
>            Priority: Major
>              Labels: usability
>             Fix For: 1.12.0
>
>
> Flink uses a lot of IDs which are hard to decipher for the user:
>  - The string literal of most Flink’s IDs are meaningless hashcode. It does not help the user to understand what happened.
>  - The LOGs do not contain the lineage info of those IDs. Currently, it’s impossible to track the end to end lifecycle of an Execution or a Task.
>  - Some redundancy exists in Flink’s ID system, we need to sort out the current ID system before introducing more complexity.
> To help the user to understand what Flink is doing, we target to add more meaning to Flink’s IDs and LOGs while cleaning up the redundancy and refactoring the ID system.
> This is an umbrella ticket to track all the relevant issues.



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