|| at Aug 31, 2009 at 9:20 am
Hadoop does delete the intermediate data after the job completes.
Jobtracker sends signal to Tasktracker to delete intermediate data
when the job completes.
The problem in your case might be some of your running job might not
have been killed gracefully or Jobtracker failed for some reason.
Thanks & Regards,
Chandra Prakash Bhagtani,
On Tue, Aug 25, 2009 at 6:19 AM, zhang jianfeng wrote:
I found my cluster’s space usage increase over time although I did not
upload new data. And there's a lot of files under folder /tmp .
So I guess hadoop won’t delete the intermediate data(output of mapper).
Am I right ?