During write operation in reduce phase, region servers are killed.
(64,000 rows with 10,000 columns, 3 node)
09/01/14 13:07:59 INFO mapred.JobClient: map 100% reduce 36%
09/01/14 13:11:38 INFO mapred.JobClient: map 100% reduce 33%
09/01/14 13:11:38 INFO mapred.JobClient: Task Id :
Edward J. Yoon wrote:
During write operation in reduce phase, region servers are killed.
(64,000 rows with 10,000 columns, 3 node)
10k columns is probably over what hbase is currently able to do (hbase-867).
You've seen the notes at end of the
