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From Wangda Tan <wheele...@gmail.com>
Subject Re: question about search log use yarn command
Date Fri, 23 May 2014 13:40:59 GMT
You first need set "*yarn.log-aggregation-enable" *to true in yarn-site.xml
to enable using "yarn logs" retrieve logs,

To your first question, the port you can see in RM's web UI, typically in
RM_address:8088, check the "available nodes" and find the host/port of NMs.
To your 2nd question, if you're not sure about this, you can checkout the
whole application log with all containers (don't use -containerId and
-nodeAddress) and find what you interested.


On Thu, May 15, 2014 at 4:34 PM, ch huang <justlooks@gmail.com> wrote:

> hi,mailist:
>           doc say
>           $ $HADOOP_YARN_HOME/bin/yarn logs
> Retrieve logs for completed YARN applications.
> usage: yarn logs -applicationId <application ID> [OPTIONS]
> general options are:
> -appOwner <Application Owner>   AppOwner (assumed to be current user if
>                                 not specified)
> -containerId <Container ID>     ContainerId (must be specified if node
>                                 address is specified)
> -nodeAddress <Node Address>     NodeAddress in the format nodename:port
>                                 (must be specified if container id is
>                                 specified)
> my question is if i want see NM1 log NodeAddress nodename is NM1,how can i
> get the port? another question is about containerId,how can i know the
> containerId? any list info can search ?

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