No. You will have to restart hadoop. Hot/online configuration is not supported in hadoop

all the best,

Cristian Cira
Graduate Research Assistant
Parallel Architecture and System Laboratory (PASL)
Shelby Center 2105
Auburn University, AL 36849

________________________________________
From: Pankaj Gupta [[EMAIL PROTECTED]]
Sent: Monday, December 03, 2012 5:59 PM
To: [EMAIL PROTECTED]
Subject: Changing hadoop configuration without restarting service

Hi,

Is it possible to change hadoop configuration files such as core-site.xml and get the changes take effect without having to restart hadoop services?

Thanks,
Pankaj

Taking the opportunity on this thread - is it possible change my Map/Reduce
code and other third party jars without restarting the service?

On Tue, Dec 4, 2012 at 2:03 AM, Cristian Cira
<[EMAIL PROTECTED]>wrote:

> No. You will have to restart hadoop. Hot/online configuration is not
> supported in hadoop
>
> all the best,
>
> Cristian Cira
> Graduate Research Assistant
> Parallel Architecture and System Laboratory (PASL)
> Shelby Center 2105
> Auburn University, AL 36849
>
> ________________________________________
> From: Pankaj Gupta [[EMAIL PROTECTED]]
> Sent: Monday, December 03, 2012 5:59 PM
> To: [EMAIL PROTECTED]
> Subject: Changing hadoop configuration without restarting service
>
> Hi,
>
> Is it possible to change hadoop configuration files such as core-site.xml
> and get the changes take effect without having to restart hadoop services?
>
> Thanks,
> Pankaj
>
>

Generally true for the framework config files, but some of the
supplementary features can be refreshed without restart. For e.g. scheduler
configuration, host files (for included / excluded nodes) ...
On Tue, Dec 4, 2012 at 5:33 AM, Cristian Cira
<[EMAIL PROTECTED]>wrote:

> No. You will have to restart hadoop. Hot/online configuration is not
> supported in hadoop
>
> all the best,
>
> Cristian Cira
> Graduate Research Assistant
> Parallel Architecture and System Laboratory (PASL)
> Shelby Center 2105
> Auburn University, AL 36849
>
> ________________________________________
> From: Pankaj Gupta [[EMAIL PROTECTED]]
> Sent: Monday, December 03, 2012 5:59 PM
> To: [EMAIL PROTECTED]
> Subject: Changing hadoop configuration without restarting service
>
> Hi,
>
> Is it possible to change hadoop configuration files such as core-site.xml
> and get the changes take effect without having to restart hadoop services?
>
> Thanks,
> Pankaj
>
>