Re: io.sort.mb based on HDFS block size

2011-04-16 Thread
s will avoid > re-tuning of sort buffer sizes and spill threshold values for different > HDFS > block sizes. Am I missing something? > > Thanks, > -Shrinivas > > On Thu, Apr 14, 2011 at 10:35 AM, 顾荣 wrote: > > > Hi Shrinivas, > > I also used to think about thi

Re: Hadoop 0.21.0 and eclipse europa compatibility issue

2011-04-16 Thread
Hi, You can try hadoop-0.20.2 with Eclipse 3.3,that is recommended. Regards Walker Gu. 2011/4/15 Vandana Kanchanapalli > Hi, > I am facing this problem with eclipse europa version. I am using > hadoop-0.21.0. After adding the hadoop-eclipse plugin to the IDE, I started > to use the map/reduce

Re: io.sort.mb based on HDFS block size

2011-04-14 Thread
Hi Shrinivas, I also used to think about this.However,the data in buffer are spilled into HDFS when the can reach the threshold,not copy the entire data int to HDFS.And also the data in HDFS may not has the same size as they are in buffer,because if there is a combiner that works they can be shrin

Re: Shared lib?

2011-04-11 Thread
Hi Mark, I also met your problem,I found my way finally. Firstly,your basic idea is right,we need to move these jars in to HDFS,because files in HDFS are shared by all the node automatically. So,There seem to be two solutions here. solution: a)After you export your project as a jar,you add a d