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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
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
Re: Split brain - is it possible in hadoop? - Hadoop - [mail # user]
...In your example, you only have one active Name Node. So how would you  encounter a 'split brain' scenario?  Maybe it would be better if you defined what you mean by a split brain? ...
   Author: Michael Segel, 2012-06-19, 12:47
Re: Hardware specs calculation for io - Hadoop - [mail # user]
...You will want something in between...  8 cores means 8 spindles.   16 cores means 16 spindles.   You may want to up the memory, especially if you're running or thinking  ...
   Author: Michael Segel, 2012-06-13, 18:52
Re: Hadoop with Sharded MySql - Hadoop - [mail # user]
...Ok just tossing out some ideas... Take them with a grain of salt...  With hive you can create external tables.  Write a custom Java app the creates one thread to each server. Then ...
   Author: Michael Segel, 2012-06-02, 00:09
Re: Pragmatic cluster backup strategies? - Hadoop - [mail # user]
...Hi, That's not a back up strategy.  You could still have joe luser take out a key file or directory. What do  you do then?  On May 29, 2012, at 11:19 AM, Darrell Taylor wrote:...
   Author: Michael Segel, 2012-05-29, 16:40
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