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Is there a good way to see how full hdfs is - MapReduce - [mail # user]
...We have a small cluster with HDFS running on only 8 nodes - I believe that the partition assigned to hdfs might be getting full and wonder if the web tools or java api havew a way to look at...
   Author: Steve Lewis, 2011-10-15, 00:16
Re: Problems Mapping multigigabyte file - MapReduce - [mail # user]
...Yes and I  presume that both the cases that succeed and fail are being split  On Fri, Oct 14, 2011 at 8:49 AM, Justin Woody wrote:     Steven M. Lewis PhD 4221 105th Ave ...
   Author: Steve Lewis, 2011-10-14, 16:03
Problems talking to the cluster over VPN - MapReduce - [mail # user]
...I have code to talk to a remote cluster where host = "myhost:" and port  9000         String connectString =   "hdfs://" + host + ":" + port + "/";    ...
   Author: Steve Lewis, 2011-10-06, 21:19
Tasks running out of memory and mapred.child.ulimit - MapReduce - [mail # user]
...I have a small hadoop task which is running out of memory on a colleague's cluster. I looked at has mapred-site.xml and find         mapred.child.java.opts     ...
   Author: Steve Lewis, 2011-09-30, 17:23
Re: Execution directory for child process within mapper - MapReduce - [mail # user]
...I had a similar issue - when I needed the same file for each reduce (or map task) I simply added Java code to the setup method to write a file to ".". When every map needed different files I...
   Author: Steve Lewis, 2011-09-26, 19:27
Reading the value of a counter - MapReduce - [mail # user]
...Assume I have a class which extends Configured implements Tool  Assume I run the job using the run method.  Within my job I increment a counter. When I finish the run I want the fi...
   Author: Steve Lewis, 2011-09-26, 19:17
Any good gui tools for working with hdfs - MapReduce - [mail # user]
...My dfs is a real mess and I am looking for a good gui fiile manager to allow me to clean it up deleting a lot of directories Anyone written one??? Steven M. Lewis PhD 4221 105th Ave NE Kirkl...
   Author: Steve Lewis, 2011-09-20, 22:50
Re: Has anyone ever written a file system where the data is held in resources - MapReduce - [mail # user]
...No - the issue is I want is I want Hadoop to read resources as input files as if they were in hdfs - I know how to read resources as input streams but I don't know how to get a Hadoop file s...
   Author: Steve Lewis, 2011-09-14, 16:47
Re: Does anyone have sample code for forcing a custom InputFormat to use a small split - MapReduce - [mail # user]
...Thanks - what NLineInputFormat is pretty close to what I want. In most cases the file is text and quite splittable  although it raises another issue - sometimes the file is compressed -...
   Author: Steve Lewis, 2011-09-13, 01:11
Re: How would you translate this into MapReduce? - MapReduce - [mail # user]
...If the size of a record is too big to be processed by a node you probably need to re-architect using a different record which scales better and combines cleanly You also need to ask at the s...
   Author: Steve Lewis, 2011-07-19, 19:40
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