And, as a follow-up, yes, we use the partitioner class to achieve this.
Our partioner runs a hashing algorithm which ensures that a given user
key will always map to a specific shard #.
On 12/18/2010 01:16 PM, Hari Sreekumar wrote:
> Hi Jane,
> The partitioner class can be used to achieve this. (
> On Sat, Dec 18, 2010 at 11:13 PM, Jane Chen<[EMAIL PROTECTED]>wrote:
>> Hi All,
>> Is there anyway to influence where a reduce task is run? We have a case
>> where we'd like to choose the host to run the reduce task based on the
>> task's input key.
>> Any suggestion is greatly appreciated.