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https://issues.apache.org/jira/browse/HADOOP-19096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17835740#comment-17835740
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ASF GitHub Bot commented on HADOOP-19096:
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steveloughran commented on PR #6276:
URL: https://github.com/apache/hadoop/pull/6276#issuecomment-2047597319
thanks, in trunk. @anmolanmol1234 can you do a pr and retest for 3.4? I'll
rebase my work on this and see how it goes
> [ABFS] Enhancing Client-Side Throttling Metrics Updation Logic
> --------------------------------------------------------------
>
> Key: HADOOP-19096
> URL: https://issues.apache.org/jira/browse/HADOOP-19096
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Affects Versions: 3.4.1
> Reporter: Anuj Modi
> Assignee: Anuj Modi
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.1
>
>
> ABFS has a client-side throttling mechanism which works on the metrics
> collected from past requests made. I requests are getting failed due to
> throttling at server, we update our metrics and client side backoff is
> calculated based on those metrics.
> This PR enhances the logic to decide which requests should be considered to
> compute client side backoff interval as follows:
> For each request made by ABFS driver, we will determine if they should
> contribute to Client-Side Throttling based on the status code and result:
> # Status code in 2xx range: Successful Operations should contribute.
> # Status code in 3xx range: Redirection Operations should not contribute.
> # Status code in 4xx range: User Errors should not contribute.
> # Status code is 503: Throttling Error should contribute only if they are
> due to client limits breach as follows:
> ## 503, Ingress Over Account Limit: Should Contribute
> ## 503, Egress Over Account Limit: Should Contribute
> ## 503, TPS Over Account Limit: Should Contribute
> ## 503, Other Server Throttling: Should not Contribute.
> # Status code in 5xx range other than 503: Should not Contribute.
> # IOException and UnknownHostExceptions: Should not Contribute.
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