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[expand - 1 more] - Re: issure about MR job on yarn framework - MapReduce - [mail # user]
...another question is why the map process progress will back when it reach 100%?     On Tue, Dec 3, 2013 at 10:07 AM, ch huang  wrote:  ...
   Author: ch huang, 2013-12-03, 02:25
Re: default capacity scheduler only one job in running status - MapReduce - [mail # user]
...so ,by default ,user A submitted 5 jobs ,only 1 job is running ,if i modified the option value to 5,all job will be running parallel,right?   On Tue, Nov 26, 2013 at 6:29 PM, Olivier Re...
   Author: ch huang, 2013-11-26, 10:46
Re: why my terasort job become a local job? - MapReduce - [mail # user]
...yes ,i did  # grep -C 3 framework /etc/hadoop/conf/mapred-site.xml                mapreduce.framework.name         yarn  ...
   Author: ch huang, 2013-11-26, 05:55
issue about yarn framework - MapReduce - [mail # user]
...hi,maillist:               i have a 5-nodes hadoop cluster,today i find a problem ,one of my job running in the cluster take up all the container and all v...
   Author: ch huang, 2013-11-26, 05:54
how a block will become a excessBlock? - MapReduce - [mail # user]
...ATT...
   Author: ch huang, 2013-11-19, 02:00
the code i can run in one cluster but error in another cluster - MapReduce - [mail # user]
...here is my java code ,i compile it and run in test env ,it's ok ,but when i run in product env ,it get error info  package com.hadoop.export; import java.io.BufferedReader; import java....
   Author: ch huang, 2013-11-11, 09:05
how to monitor hadoop cluster components logs? - MapReduce - [mail # user]
...hi,all:       as we know,hadoop cluster has a lot of components ,each has it's own log,is there any good tools for monitor these logs?...
   Author: ch huang, 2013-11-11, 02:23
issue about add disk on DN - MapReduce - [mail # user]
...hi,all:         i have a DN,and i mount the two disk ,one disk for /data/dataspace/1, and one disk for /data/dataspace/2, the two disk is almost full, so i add a new disk...
   Author: ch huang, 2013-11-07, 00:34
what different between infoserver and streaming server in datanode? - MapReduce - [mail # user]
...hi,all:        i am reading the source code about datanode starting,when datanode start ,it will start streaming server and info server,i do not know what difference betw...
   Author: ch huang, 2013-11-06, 02:56
issue about NN autofailover happened each 24 hours - MapReduce - [mail # user]
...hi,all:      i have a 5node hadoop cluster ,and i deploy  HA autofailover . but i find the failover happened each 24 hours,i do not know why   here is my NN log , zk...
   Author: ch huang, 2013-11-04, 01:21
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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