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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2016/05/26 14:02:13 UTC

[jira] [Created] (HADOOP-13205) S3A to support custom retry policies; maybe failfast on unknown host

Steve Loughran created HADOOP-13205:
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             Summary: S3A to support custom retry policies; maybe 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


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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