Rekha Joshi created HADOOP-10084:
Summary: Hcat alter table add parttition: add skip header/row
feature
Key: HADOOP-10084
URL: https://issues.apache.org/jira/browse/HADOOP-10084
Project: Hadoop
Hi Chengwei,
If it helps, reading the hadoop tutorial, the configuration files along with
API JobHistory* pages would provide you the main details.
For eg:
http://hadoop.apache.org/common/docs/r0.20.2/api/org/apache/hadoop/mapred/JobHistory.MapAttempt.html
http://hadoop.apache.org/common/docs/r0
No guru to enlighten/highlighten ;) , but here's what I think -
This is a balance call between the in-memory and disk usage.If you think the
mappers are high which can again be a function of your input size, block size,
you can tune further parameters during map/reduce steps to avoid expensive I
Depends on your hadoop version, the latest is hadoop.mapreduce, while
hadoop.mapred has been deprecated.Earlier to 0.20.1 use mapred, otherwise using
mapreduce.
API here : http://hadoop.apache.org/common/docs/r0.20.1/api/index.html. Thanks!
On 11/26/09 1:27 AM, "Sangmin Lee" wrote:
Hi all,
I
Hi Sonal,
AFAIK,this exception mostly has no impact other than to indicate object
creation.I agree Hadoop configuration class can be improved to handle it.
Refer http://osdir.com/ml/hbase-user-hadoop-apache/2009-03/msg00280.html
Thanks & Regards,
/R
On 11/19/09 11:29 AM, "Sonal Goyal" wrote:
