[jira] [Updated] (FLINK-32895) Introduce the max attempts for Exponential Delay Restart Strategy

["Rui Fan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-32895?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rui Fan updated FLINK-32895:
----------------------------
        Parent: FLINK-33735
    Issue Type: Sub-task  (was: Improvement)

> Introduce the max attempts for Exponential Delay Restart Strategy
> -----------------------------------------------------------------
>
>                 Key: FLINK-32895
>                 URL: https://issues.apache.org/jira/browse/FLINK-32895
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Coordination
>            Reporter: Rui Fan
>            Assignee: Rui Fan
>            Priority: Major
>              Labels: pull-request-available
>
> Currently, Flink has 3 restart strategies, they are: fixed-delay, failure-rate and exponential-delay.
> The exponential-delay is suitable if a job continues to fail for a period of time. The fixed-delay and failure-rate has the max attempts mechanism, that means, the job won't restart and go to fail after the attempt exceeds the threshold of max attempts. 
> The max attempts mechanism is reasonable, flink should not or need to infinitely restart the job if the job keeps failing. However, the exponential-delay doesn't have the max attempts mechanism.
> I propose introducing the `restart-strategy.exponential-delay.max-attempts-before-reset` to support the max attempts mechanism for exponential-delay. It means flink won't restart job if the number of job failures before reset exceeds max-attempts-before-reset when is exponential-delay is enabled.



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