hadoop-mapreduce-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From li ping <li.j...@gmail.com>
Subject Re: How to set object in Configuration
Date Thu, 27 Jan 2011 05:26:24 GMT
yes, I agree. The configuration parameter should be a serialize-able value.
because the parameter will be transfer to other node to run the job. If the
value can not be serialized, I believe it should be a problem.

On Wed, Jan 26, 2011 at 11:52 PM, David Rosenstrauch <darose@darose.net>wrote:

> On 01/26/2011 05:43 AM, Joan wrote:
>
>> Hi,
>>
>> I'm trying set Object into Hadoop's configuration but I don't know how to.
>>
>> I'm want to do:
>>
>> org.apache.hadoop.conf.Configuration conf = new
>> org.apache.hadoop.conf.Configuration();
>>
>> conf.set("txt",myObject);
>>
>> But It doesn't exist method like: conf.set(String,Object)
>>
>> Someone know how to set custom objet into hadoop configuration?
>>
>> Thanks
>>
>> Joan
>>
>>
> The object needs to be a String or something that is easily convertible to
> a String (e.g., integer).  This is so it can be serialized and sent across
> the cluster.
>
> DR
>



-- 
-----李平

Mime
View raw message