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[expand - 7 more] - Re: How to create HTableInterface in coprocessor? - HBase - [mail # user]
...Ok. I will give a try.  regards!  Yong   On Wed, Oct 23, 2013 at 11:53 PM, Ted Yu  wrote:  ...
   Author: yonghu, 2013-10-24, 10:25
When a log file will be transfered from /.log folder to /.oldlogs folder? - HBase - [mail # user]
...Hello,  I saw some descriptions that when data modifications (like Put or Delete) have already been persistent on disk, the log file will be transfered from /.log folder to /.oldlogs fo...
   Author: yonghu, 2013-10-17, 19:52
[expand - 3 more] - Re: How to understand the TS of each data version? - HBase - [mail # user]
...Hi, Ted  Thanks for your response. This is also the way I use to avoid the problem.  regards!  Yong   On Sat, Sep 28, 2013 at 4:31 PM, Ted Yu  wrote:  ...
   Author: yonghu, 2013-09-28, 14:36
Re: hbase schema design - HBase - [mail # user]
...Different from the RDBMS, the data in HBase is stored as key-value pair in HDFS. Hence, for every data version in a cell, the row key will appear.   On Tue, Sep 17, 2013 at 7:53 PM, Ted...
   Author: yonghu, 2013-09-18, 09:52
Re: one column family but lots of tables - HBase - [mail # user]
...I think you can take a look at the http://hbase.apache.org/book/regions.arch.html, it describes the data storage hierarchy of HBase.  Due to the statement of Lars "stems from the fact t...
   Author: yonghu, 2013-08-24, 16:30
[expand - 1 more] - Re: Does HBase supports parallel table scan if I use MapReduce - HBase - [mail # user]
...Thanks. So, to scan the table just using the java program without using MapReduce will heavily decrease the performance.  Yong   On Tue, Aug 20, 2013 at 6:02 PM, Jeff Kolesky  ...
   Author: yonghu, 2013-08-21, 08:08
[expand - 1 more] - Re: slow operation in postPut - HBase - [mail # user]
...Use HTablePool instead. For more infor, http://hbase.apache.org/book/client.html.   On Thu, Aug 1, 2013 at 3:32 PM, yonghu  wrote:  ...
   Author: yonghu, 2013-08-01, 13:37
Re: Data missing in import bulk data - HBase - [mail # user]
...The ways that you can lose data in my point of views:  1. some tuples share the same row-key+cf+column. Hence, when you load your data in HBase, they will be loaded into the same column...
   Author: yonghu, 2013-07-24, 08:06
Re: How to join 2 tables using hadoop? - HBase - [mail # user]
...You can write one MR job to finish this. First read two tables at Map function, the output key will be the reference key for one table and primary key for the other table. At the Reduce func...
   Author: yonghu, 2013-07-19, 09:35
[expand - 1 more] - Re: several doubts about region split? - HBase - [mail # user]
...Thanks for your quick response!  For the question one, what will be the latency? How long we need to wait until the daughter regions are again online?  regards!  Yong   &...
   Author: yonghu, 2013-07-17, 14:10
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