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Re: read test with PE - MapReduce - [mail # user]
...Thanks Ted for looking into this.  I think the presplit opiton is the problem. In step 1, I created the table with --presplit=3 In step 2, I run the read test and passed --presplit opti...
   Author: Thanh Do, 2013-06-02, 19:02
[expand - 2 more] - Re: why multiple checkpoint nodes? - MapReduce - [mail # user]
...Thanks guys for updating!  Yeah, I read the thread that Checkpoint/BackupNode may be get deprecated. SNN is a way to go then.  I just wonder if we use multiple CheckpointNodes, we ...
   Author: Thanh Do, 2013-04-19, 02:54
Re: setting hdfs balancer bandwidth doesn't work - MapReduce - [mail # user]
...What do you mean by "doesn't work"?   On Thu, Apr 18, 2013 at 10:01 AM, zhoushuaifeng wrote:  ...
   Author: Thanh Do, 2013-04-18, 16:17
Re: threads quota is exceeded question - MapReduce - [mail # user]
...Hadoop by default limit 5 concurrent threads per node for balancing purpose. That causes your problem.   On Mon, Apr 15, 2013 at 10:24 PM, rauljin  wrote:  ...
   Author: Thanh Do, 2013-04-16, 17:07
SequenceFile syncFs behavior? - MapReduce - [mail # user]
...Hi all,  Could somebody clarify me the behavior of SequenceFile.syncFs(). From the source, I saw this function is deprecated, and hsync() or hflush() is recommended? However, it seems l...
   Author: Thanh Do, 2012-11-01, 17:39
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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