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Re: Understand dfs.datanode.max.xcievers - MapReduce - [mail # user]
...dfs.datanode.max.xcievers value should set across the cluster rather than particular DataNode. It means the upper bound on the number of files that the DataNode will serve at any one time. &...
   Author: Yanbo Liang, 2013-03-18, 10:23
Re: How to Create file in HDFS using java Client with Permission - MapReduce - [mail # user]
...You must change to user dasmohap to execute this client program otherwise you can not create file under the directory "/user/dasmohap". If you do not have a user called dasmohap at client ma...
   Author: Yanbo Liang, 2013-03-15, 09:33
Re: “hadoop namenode -format” formats wrong directory - MapReduce - [mail # user]
...you can try to use the new parameter "dfs.namenode.name.dir" to specify the directory.  2013/2/6, Andrey V. Romanchev :...
   Author: Yanbo Liang, 2013-02-06, 15:17
Re: Apache Hadoop and GPGPU integration - MapReduce - [mail # user]
...http://wiki.apache.org/hadoop/CUDA%20On%20Hadoop  wish it will helpful!  2013/2/4 Mohammad Tariq  ...
   Author: Yanbo Liang, 2013-02-04, 10:22
Re: distributed cache - MapReduce - [mail # user]
...As far as I know, The local.cache.size parameter controls the size of the DistributedCache. By default, it’s set to 10 GB. And the parameter io.sort.mb is not used here, it used as each map ...
   Author: Yanbo Liang, 2012-11-16, 10:28
[expand - 1 more] - Re: Hadoop and Hbase site xml - MapReduce - [mail # user]
...It's OK, Hadoop does not distinguish different configuration files of NN, DN, client. The distinct configuration of different role is identified by the prefix of parameters such as dfs.namen...
   Author: Yanbo Liang, 2012-11-13, 09:18
Re: problem using s3 instead of hdfs - MapReduce - [mail # user]
...Because you did not set defaultFS in conf, so you need to explicit indicate the absolute path (include schema) of the file in S3 when you run a MR job.  2012/10/16 Rahul Patodi  ...
   Author: Yanbo Liang, 2012-10-16, 10:59
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