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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (HADOOP-13205) S3A to support custom retry policies; failfast on unknown host
Date Thu, 22 Mar 2018 04:47:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Vinod Kumar Vavilapalli reopened HADOOP-13205:

Reopening and closing this instead as a dup of HADOOP-13786 as I don't find any patch for
this JIRA in the source-code. Please revert back if this is incorrect.

> S3A to support custom retry policies; failfast on unknown host
> --------------------------------------------------------------
>                 Key: HADOOP-13205
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13205
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 2.8.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>             Fix For: 3.1.0
> Noticed today that when connections are down, S3A retries on UnknownHostExceptions logging
noisily in the process.
> # it should be possible to define or customize retry policies for an FS instance (fail
fast, exponential backoff, etc)
> # we may want to explicitly have a fail-fast-if-offline retry policy, catching the common
connectivity ones.
> Testing will be fun here.

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