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[expand - 1 more] - Re: Decommisioning runs for ever - Hadoop - [mail # user]
...Yup.  By default it looks like 10MB/Sec. With 1GBe, you could probably push this up to 100MB/Sec or even higher  depending on your cluster usage.  10GBe... obviously higher. &...
   Author: Michael Segel, 2012-08-07, 01:26
Re: task jvm bootstrapping via distributed cache - Hadoop - [mail # user]
...Hi Stan,  If I understood your question... you want to ship a jar to the nodes  where the task will run prior to the start of the task?   Not sure what it is you're trying to ...
   Author: Michael Segel, 2012-07-31, 23:26
[expand - 2 more] - Re: Merge Reducers Output - Hadoop - [mail # user]
...Sorry, but the OP was saying he had map/reduce job where the job had  multiple reducers where he wanted to then combine the output to a single  file.  While you could merge th...
   Author: Michael Segel, 2012-07-31, 20:44
[expand - 2 more] - Re: Counting records - Hadoop - [mail # user]
...If the task fails the counter for that task is not used.   So if you have speculative execution turned on and the JT kills a task,  it won't affect your end results.    A...
   Author: Michael Segel, 2012-07-23, 23:06
Re: Concurrency control - Hadoop - [mail # user]
...It goes beyond the atomic writes...  There isn't the concept of transactions in HBase.   He could also be talking about Hive, which would be appropriate for this  mailing list...
   Author: Michael Segel, 2012-07-18, 19:40
Re: Hive/Hdfs Connector - Hadoop - [mail # user]
...Have you tried using Hive's thrift server?   On Jul 5, 2012, at 10:20 AM, Sandeep Reddy P wrote:  ...
   Author: Michael Segel, 2012-07-05, 15:26
Re: Multiple cores vs multiple nodes - Hadoop - [mail # user]
...Hi, First, you have to explain what you mean by 'equivalent' .   The short answer is that it depends. The longer answer is that you have to consider cost in your design.   The whol...
   Author: Michael Segel, 2012-07-02, 12:08
Re: Hive error when loading csv data. - Hadoop - [mail # user]
...Alternatively you could write a simple script to convert the csv to a  pipe delimited file so that "abc,def" will be abc,def.  On Jun 26, 2012, at 2:51 PM, Harsh J wrote:  som...
   Author: Michael Segel, 2012-06-26, 20:00
[expand - 1 more] - Re: Can I remove a folder on HDFS when decommissioning a data node? - Hadoop - [mail # user]
...Well, there you go... care to open a Jira for it?  It would be very helpful... The OP's question presents a very good use  case.   Thx  -Mike  On Jun 26, 2012, at 10...
   Author: Michael Segel, 2012-06-26, 15:35
Re: oozie workflow file for teragen and terasort - Hadoop - [mail # user]
...There's a series of articles on Oozie by Boris Lublinsky over on InfoQ.  http://www.infoq.com/articles/introductionOozie  On Jun 23, 2012, at 7:42 PM, Hadoop James wrote:  ...
   Author: Michael Segel, 2012-06-24, 14:49
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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