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are ResultScanners vaid after hTable.close() - MapReduce - [mail # user]
...I tried scouring the API docs as well as googling this and I can't find a definitive answer.  If I get an HTable instance and I close it, do I have to make sure I'm finished using the R...
   Author: Ted, 2013-05-31, 12:30
pauses during startup (maybe network related?) - MapReduce - [mail # user]
...Hi I'm running hadoop on my local laptop for development and everything "works" but there's some annoying pauses during the startup which causes the entire hadoop startup process to take up ...
   Author: Ted, 2013-05-23, 09:49
[expand - 1 more] - Re: Child JVM memory allocation / Usage - MapReduce - [mail # user]
...I configure those in hadoop-env.sh so I'm not sure about your configuration.  You can check with things like jconsole, or if you're coding it anyways it's the third memory call in runti...
   Author: Ted, 2013-03-25, 03:27
[expand - 2 more] - Re: how to control (or understand) the memory usage in hdfs - MapReduce - [mail # user]
...oh, really?  ulimit -n is 2048, I'd assumed that would be sufficient for just testing on my machine. I was going to use 4096 in production. my hdfs-site.xml has "dfs.datanode.max.xcieve...
   Author: Ted, 2013-03-24, 08:19
Re: Is there any way to get information from Hbase once some record get updated? - MapReduce - [mail # user]
...Take a look at BaseRegionObserver class where you would see various hooks.   Cheers  On Mar 14, 2013, at 10:24 PM, samir das mohapatra  wrote:  ...
   Author: Ted, 2013-03-15, 05:38
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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