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Hadoop, mail # user - Re: Hadoop core jar class update


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Re: Hadoop core jar class update
Viswanathan J 2013-10-25, 18:20
I'm using hadoop-1.2.1, have mentioned in the previous thread.
On Oct 24, 2013 11:30 PM, "Ravi Prakash" <[EMAIL PROTECTED]> wrote:

> Viswanathan,
>
> What version of Hadoop are you using? What is the change?
>
>
>   On Wednesday, October 23, 2013 2:20 PM, Viswanathan J <
> [EMAIL PROTECTED]> wrote:
>  Hi guys,
> If I update(very small change) the hadoop-core mapred class for one of the
> OOME patch and compiled the jar. If I deploy that jar in production will
> that cause any issue.
> Will that cause any issue for NN or lose any data?
> Version of the jar will be same.
> Is that update will check any checksum?
> Please help asap.
> Thanks,
>
>
>