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Any samples of how to write a custom FileSystem - Hadoop - [mail # user]
...Specifically how do I register a Custom FileSystem - any sample code  Steven M. Lewis PhD 4221 105th Ave NE Kirkland, WA 98033 206-384-1340 (cell) Skype lordjoe_com...
   Author: Steve Lewis, 2012-02-01, 04:11
Has anyone written a Hadoop FileSystem where path refers to resources - Hadoop - [mail # user]
...I am writing some unit tests for custom splitters and it would be nice to keep the data as resources rather then reading files on a specific file system  Steven M. Lewis PhD 4221 105th ...
   Author: Steve Lewis, 2012-01-31, 21:29
When to use a combiner? - Hadoop - [mail # user]
...In working a sample issue I used a combiner - I noticed that the Combiner output records were 90% of the Combiner Input records and when looking at the data found relatively few duplicated k...
   Author: Steve Lewis, 2012-01-24, 17:33
[expand - 6 more] - Re: Problems with timeout when a Hadoop job generates a large number of key-value pairs - Hadoop - [mail # user]
...I have been silent for a few days because on my cluster I was UNABLE to reproduce the issue. What I do see is that merge is taking a HUGE amount of time -  In my hands the mapper reache...
   Author: Steve Lewis, 2012-01-23, 16:57
[expand - 3 more] - Re: I am trying to run a large job and it is consistently failing with timeout - nothing happens for 600 sec - Hadoop - [mail # user]
...In my hands the problem occurs in all map jobs - an associate with a different cluster - mine has 8 nodes - his 40 reports 80% of map tasks fail with a few succeeding - I suspect some kind o...
   Author: Steve Lewis, 2012-01-19, 02:10
[expand - 1 more] - Re: outputhttp error may be log issue but the cluster is pretty sick - Hadoop - [mail # user]
...Where do I find the TT logs  On Oct 29, 2011 1:06 PM, "Harsh J"  wrote:  ...
   Author: Steve Lewis, 2011-10-30, 00:06
Re: Externally submitted MapReduce Job Fails at Startup Help Please... - Hadoop - [mail # user]
...Did you build a jar file for your job and did you put mysql-cinnector,jar in its lib directory??? I have had this work for me  On Fri, Oct 28, 2011 at 12:56 PM, Jamal x  wrote: &nb...
   Author: Steve Lewis, 2011-10-29, 20:00
I need help reducing reducer memory - Hadoop - [mail # user]
...I have problems with reduce tasks failing with GC overhead limit exceeded My reduce job retains a small amount of data in memory while processing each key discarding it after the key is hand...
   Author: Steve Lewis, 2011-10-25, 20:38
Any suggestion on why I cannot talk to hdfs over a VPN - Hadoop - [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, 2011-10-07, 19:03
I need help talking to HDFS over a firewall - Hadoop - [mail # user]
...  I have a small piece of code which opens hdfs. When I run the code my a machine riunning Windows 7 from work it connects perfectly  String host = "myhost"   int port = 9000;...
   Author: Steve Lewis, 2011-09-24, 00:19
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB