[jira] [Updated] (HADOOP-12671) Inconsistent configuration values and incorrect comments

["Tianyin Xu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-12671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tianyin Xu updated HADOOP-12671:
--------------------------------
    Attachment: 0001-fix-the-errors-in-default-configs.patch

patch for trunk

> Inconsistent configuration values and incorrect comments
> --------------------------------------------------------
>
>                 Key: HADOOP-12671
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12671
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: conf, documentation, fs/s3
>    Affects Versions: 2.7.1, 2.6.2
>            Reporter: Tianyin Xu
>         Attachments: 0001-fix-the-errors-in-default-configs.patch
>
>
> The two values in [core-default.xml | https://hadoop.apache.org/docs/r2.7.1/hadoop-project-dist/hadoop-common/core-default.xml] are wrong. 
> {{fs.s3a.multipart.purge.age}}
> {{fs.s3a.connection.timeout}}
> {{fs.s3a.connection.establish.timeout}}
> \\
> \\
> *1. {{fs.s3a.multipart.purge.age}}*
> (in both {{2.6.2}} and {{2.7.1}})
> In [core-default.xml | https://hadoop.apache.org/docs/r2.7.1/hadoop-project-dist/hadoop-common/core-default.xml], the value is {{86400}} ({{24}} hours), while in the code it is {{14400}} ({{4}} hours).
> \\
> \\
> *2. {{fs.s3a.connection.timeout}}*
> (only appear in {{2.6.2}})
> In [core-default.xml (2.6.2) | https://hadoop.apache.org/docs/r2.6.2/hadoop-project-dist/hadoop-common/core-default.xml], the value is {{5000}}, while in the code it is {{50000}}.
> {code}
>   // seconds until we give up on a connection to s3
>   public static final String SOCKET_TIMEOUT = "fs.s3a.connection.timeout";
>   public static final int DEFAULT_SOCKET_TIMEOUT = 50000;
> {code}
> \\
> *3. {{fs.s3a.connection.establish.timeout}}*
> (only appear in {{2.7.1}})
> In [core-default.xml (2.7.1)| https://hadoop.apache.org/docs/r2.7.1/hadoop-project-dist/hadoop-common/core-default.xml], the value is {{5000}}, while in the code it is {{50000}}.
> {code}
>   // seconds until we give up trying to establish a connection to s3
>   public static final String ESTABLISH_TIMEOUT = "fs.s3a.connection.establish.timeout";
>   public static final int DEFAULT_ESTABLISH_TIMEOUT = 50000;
> {code}
> \\
> btw, the code comments are wrong! The two parameters are in the unit of *milliseconds* instead of *seconds*...
> {code}
> -  // seconds until we give up on a connection to s3
> +  // milliseconds until we give up on a connection to s3
> ...
> -  // seconds until we give up trying to establish a connection to s3
> +  // milliseconds until we give up trying to establish a connection to s3
> {code}



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