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https://issues.apache.org/jira/browse/YARN-3698?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sreenath Somarajapuram updated YARN-3698:
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Summary: Make task attempt log files accessible from webapps & correct
node-manager redirection (was: Make task attempt log files accessible from
webapps)
> Make task attempt log files accessible from webapps & correct node-manager
> redirection
> --------------------------------------------------------------------------------------
>
> Key: YARN-3698
> URL: https://issues.apache.org/jira/browse/YARN-3698
> Project: Hadoop YARN
> Issue Type: Task
> Reporter: Sreenath Somarajapuram
>
> Currently we don't have direct access to an attempt's log file from web apps.
> The only available option is through jobhistory, and that provides an HTML
> view of the log.
> Requirements:
> # A link to access the raw log file.
> # A variant of the link with the following headers set, this enables direct
> download of the file across all browsers.
> Content-Disposition: attachment; filename="attempt-id.log"
> Content-Type of text/plain
> # Node manager redirects an attempt syslog view to the container view. Hence
> we are not able to view the logs of a specific attempt.
> Before redirection:
> http://sandbox.hortonworks.com:8042/node/containerlogs/container_1432048982252_0004_01_000002/root/syslog_attempt_1432048982252_0004_1_02_000000_0
> After redirection:
> http://sandbox.hortonworks.com:19888/jobhistory/logs/sandbox.hortonworks.com:45454/container_1432048982252_0004_01_000002/container_1432048982252_0004_01_000002/root
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