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how can i get job start and finish time? - HDFS - [mail # user]
...hi,maillist:            my web ui is not available, i can use "yarn application -list" ,my question is how can i get job start and finish time?...
   Author: ch huang, 2014-01-09, 02:39
what is MPP,HAWQ,and the relation between them and hadoop? - HDFS - [mail # user]
...hi,maillist: ATT...
   Author: ch huang, 2013-12-17, 02:36
Re: issue about no class find in running MR job - HDFS - [mail # user]
...no ,it need not , hadoop can run class directly,i try in other box,it work fine,   # hadoop com/test/demo/WordCount Error: Could not find or load main class com.test.demo.WordCount [roo...
   Author: ch huang, 2013-12-13, 02:40
issue about corrupt block test - HDFS - [mail # user]
...hi,maillist:              i try to corrupt a block of a file in my benchmark environment, as the following command i find blk_2504407693800874616_106252 ,i...
   Author: ch huang, 2013-12-11, 03:40
[expand - 1 more] - Re: how to handle the corrupt block in HDFS? - HDFS - [mail # user]
...thanks for reply,but if the block just has  1 corrupt replica,hdfs fsck can not tell you which block of which file has a replica been corrupted,fsck just useful on all of one block's re...
   Author: ch huang, 2013-12-11, 02:27
Re: issue about running example job use custom mapreduce var - HDFS - [mail # user]
...yes,you are right ,thanks  On Wed, Dec 11, 2013 at 7:16 AM, Adam Kawa  wrote:  ...
   Author: ch huang, 2013-12-11, 01:04
[expand - 1 more] - Re: issue about datanode memory usage - HDFS - [mail # user]
...so ,if i examine the output of "curl http://CHBM224:50075/jmx" ,it can sure which one will be used  {   "beans" : [ {     "name" : "java.lang:type=Memory",     ...
   Author: ch huang, 2013-12-10, 07:38
issue about terasort read partition file from local fs instead HDFS - HDFS - [mail # user]
...hi,maillist:               i try to use terasort to benchmark my cluster ,when i run it ,i found tearsort try to read partition file from local filesystem ...
   Author: ch huang, 2013-12-06, 03:10
[expand - 1 more] - Re: get error in running terasort tool - HDFS - [mail # user]
...BTW.i use CDH4.4  On Thu, Dec 5, 2013 at 3:18 PM, ch huang  wrote:  ...
   Author: ch huang, 2013-12-05, 07:26
Re: issue about the MR JOB local dir - HDFS - [mail # user]
...thank you ,but it seems the doc is littler old , doc says      - *PUBLIC:* /filecache    - *PRIVATE:* /usercache//filecache    - *APPLICATION:* /usercache/...
   Author: ch huang, 2013-12-05, 05:34
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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