On Thu, Mar 24, 2011 at 7:36 PM, Stanley Xu <[email protected]> wrote: > But I have two doubts here: > 1. It looks the partitioner will do a lots of shuffling, I am wondering why > it couldn't just do the put on the local region since the read and write on > the same entry should be on the same region, isn't it? >
There is a little on this in the mapreduce package javadoc: http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/mapreduce/package-summary.html#sink > 2. If the job failed for any reason(like timeout), the HBase might be in a > partial-updated status, is it? > This is a problem you'll have to figure. Turn of speculative execution for one. St.Ack
