[jira] [Updated] (HADOOP-17928) s3a: set fs.s3a.downgrade.syncable.exceptions = true by default

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-17928?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HADOOP-17928:
------------------------------------
    Labels: pull-request-available  (was: )

> s3a: set fs.s3a.downgrade.syncable.exceptions = true by default
> ---------------------------------------------------------------
>
>                 Key: HADOOP-17928
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17928
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.3.1
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> HADOOP-17597 set policy of reacting to hsync() on an s3 output stream to be one of :Fail, warn, with default == fail.
> I propose downgrading this to warn. We've done it internally, after having it on fail long enough to identify which processes were doing either of
> * having unrealistic expectations about the output stream (fix: move off s3)
> * were using hflush() as a variant of flush(), with the failure being an over-reaction



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