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Re: Doubt Regading HLogs - HBase - [mail # user]
...In this situation, you can set the  logroll.period  to a short value, let's say 3000 and then you can see your log file with current size after 3 seconds.  To Nicolas,  I...
   Author: yonghu, 2013-05-17, 11:40
How can I set heap size for HBase? - HBase - [mail # user]
...Dear All,  I wonder how I can set heap size for HBase and what is the suitable portion compared to whole memory size? And the other question is that how many memory size I need to give ...
   Author: yonghu, 2013-03-11, 11:15
Re: Possible to delete a specific cell? - HBase - [mail # user]
...Hello,  I think you can use HBase org.apache.hadoop.hbase.client.Delete class. It already supported to delete a specific version in a cell, see public Delete deleteColumn(byte[] family,...
   Author: yonghu, 2013-03-07, 20:56
Re: Hbase table with a nested entity - HBase - [mail # user]
...Hello Dastgiri,  I don't think HBase can support original nested schema which you want to define. But you can still store your data in HBase. I figured out several possible solutions: &...
   Author: yonghu, 2013-02-27, 11:06
[expand - 3 more] - Re: coprocessor enabled put very slow, help please~~~ - HBase - [mail # user]
...Ok. Now, I got your point. I didn't notice the "checkAndPut".  regards!  Yong  On Mon, Feb 18, 2013 at 1:11 PM, Michael Segel  wrote:...
   Author: yonghu, 2013-02-18, 12:22
[expand - 2 more] - Re: Is it possible to indicate the column scan order when scanning table? - HBase - [mail # user]
...Thanks for your response. I will take a look.  yong On Thu, Feb 7, 2013 at 10:11 PM, Ted Yu  wrote:...
   Author: yonghu, 2013-02-08, 05:36
Re: Json+hbase - HBase - [mail # user]
...I think you can treat id as row key. and address-type/home or address-type/office as column family. each address can be treated as column. The thing is how you can transform your json metada...
   Author: yonghu, 2013-02-04, 16:35
[expand - 2 more] - Re: Is there a way to close automatically log deletion in HBase? - HBase - [mail # user]
...Thanks for your useful information. By the way, can you give me an example about how I can define the customized logcleaner class.  regards!  Yong  On Sat, Feb 2, 2013 at 1:54...
   Author: yonghu, 2013-02-02, 15:51
How can I set column information when I use YCSB to test HBase? - HBase - [mail # user]
...Dear all,  I read the information of https://github.com/brianfrankcooper/YCSB/wiki/Running-a-Workload  For example, I can indicate the column family name when I issue the command l...
   Author: yonghu, 2013-01-19, 06:48
Re: Hbase Question - HBase - [mail # user]
...I think you can take a look at your row-key design and evenly distribute your data in your cluster, as you mentioned even if you added more nodes, there was no improvement of performance. Ma...
   Author: yonghu, 2012-12-28, 19:38
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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