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Re: Replace a block with a new one - Hadoop - [mail # user]
...That will break the consistency of the file system, but it doesn't hurt totry.On Jul 17, 2014 8:48 PM, "Zesheng Wu"  wrote: ...
   Author: Shumin Guo, 2014-07-18, 21:10
Re: how to save dead node when it's disk is full? - Hadoop - [mail # user]
...If the datanode is dead, block replications will be re-replicated on otherdatanodes automatically. So, after a while, when those blocks have beenre-replicated, you should be able to delete t...
   Author: Shumin Guo, 2014-05-29, 03:23
Re: Task or job tracker seems not working? - Hadoop - [mail # user]
...The error message tells that you are using local FS rather than HDFS. So,you need to make sure your HDFS cluster is up and running before runningany mapreduce jobs. For example, you can use ...
   Author: Shumin Guo, 2014-04-23, 03:14
Re: Problem with jobtracker hadoop 1.2 - Hadoop - [mail # user]
...It seems you are using the local FS rather than HDFS. You need to make sureyour hdfs cluster is up and running.On Thu, Apr 17, 2014 at 6:42 PM, Shengjun Xin  wrote: ...
   Author: Shumin Guo, 2014-04-23, 03:10
Re: Stuck Job - how should I troubleshoot? - Hadoop - [mail # user]
...As the last map task is in pending state, it is possible that some issue ishappening within your cluster, for example, not enough memory, deadlock,data problem etc. You can kill this map tas...
   Author: Shumin Guo, 2014-04-23, 03:03
Re: All datanodes are bad. Aborting ... - Hadoop - [mail # user]
...Did you do fsck? And what's the result?On Sun, Apr 20, 2014 at 12:14 PM, Amit Kabra wrote: ...
   Author: Shumin Guo, 2014-04-23, 02:56
Re: analyzing s3 data - Hadoop - [mail # user]
...You can configure your hadoop cluster to use s3 as the file system.Everything else should be same as for HDFS.On Mon, Apr 21, 2014 at 7:21 AM, kishore alajangi <[EMAIL PROTECTED] ...
   Author: Shumin Guo, 2014-04-23, 02:45
Re: Strange error in Hadoop 2.2.0: FileNotFoundException: file:/tmp/hadoop-hadoop/mapred/ - Hadoop - [mail # user]
...Can you list the file using hadoop commands? for example, hadoop fs -ls...?On Tue, Apr 22, 2014 at 10:32 AM, Natalia Connolly <[EMAIL PROTECTED]> wrote: ...
   Author: Shumin Guo, 2014-04-23, 02:42
Re: Hadoop 2.3.0 API error - Hadoop - [mail # user]
...what is your input data like?On Apr 2, 2014 10:16 AM, "ei09072"  wrote: ...
   Author: Shumin Guo, 2014-04-03, 01:15
Call for big data proposals - Hadoop - [mail # user]
...Dear subscribers,My name is Shumin Guo. I am the author of the Hadoop management book "HadoopOperations and Cluster ManagementCookbook".Currently, I am writing my second book on Hadoop Big D...
   Author: Shumin Guo, 2014-03-26, 23:15
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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