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Re: Can we insert into Hbase without specifying the column name? - HBase - [mail # user]
...Hi Rams,  yes. You can. See follows:  hbase(main):001:0> create 'test1','course' 0 row(s) in 1.6760 seconds  hbase(main):002:0> put 'test1','tom','course',90 0 row(s) in...
   Author: yonghu, 2012-11-26, 10:29
Re: Log files occupy lot of Disk size - HBase - [mail # user]
...I think you can set setWriteToWAL() method to false to reduce the amount of log infor. But you may get risks when your cluster is down.  regards! yong  On Fri, Nov 23, 2012 at 7:58...
   Author: yonghu, 2012-11-23, 13:57
[expand - 1 more] - Re: why reduce doesn't work by HBase? - HBase - [mail # user]
...Thanks for your suggestions  On Thu, Nov 15, 2012 at 9:56 PM, Bertrand Dechoux  wrote:...
   Author: yonghu, 2012-11-16, 12:53
[expand - 1 more] - Re: Why Regionserver is not serving when I set the WAL trigger? - HBase - [mail # user]
...The problem is caused by the code, as I create the configuration by myself. The correct way is to use getConfiguration() method.  regards!  Yong  On Sat, Nov 10, 2012 at 4:12 ...
   Author: yonghu, 2012-11-12, 09:33
[expand - 1 more] - Re: A question of storage structure for memstore? - HBase - [mail # user]
...Thanks for your responses.  yong   On Mon, Oct 22, 2012 at 3:05 PM, Anoop Sam John  wrote:...
   Author: yonghu, 2012-10-22, 14:13
[expand - 1 more] - Re: Can I use coprocessor to record the deleted data caused by ttl? - HBase - [mail # user]
...I want to record the data change from the source table. Thanks for your apply.  regards!  Yong  On Sat, Sep 1, 2012 at 1:01 AM, lars hofhansl  wrote:...
   Author: yonghu, 2012-09-01, 13:14
[expand - 5 more] - Re: What happened in hlog if data are deleted cuased by ttl? - HBase - [mail # user]
...Sorry for that. I didn't use the right parameter. Now I get the point.  regards!  Yong  On Wed, Aug 22, 2012 at 10:49 AM, Harsh J  wrote:...
   Author: yonghu, 2012-08-22, 10:02
Re: Put w/ timestamp -> Deleteall -> Put w/ timestamp fails - HBase - [mail # user]
...Hi Harsh,  I have a question of your description. The deleted tag masks the new inserted value with old timestamp, that's why the new inserted data can'be seen. But after major compacti...
   Author: yonghu, 2012-08-15, 11:48
Re: is there anyway to turn off compaction in hbase - HBase - [mail # user]
...Harsh is right. You find the wrong place.  regards!  Yong  On Sun, Aug 12, 2012 at 1:40 PM, Harsh J  wrote: wrote: . l, . l d e?...
   Author: yonghu, 2012-08-13, 13:37
Re: column based or row based storage for HBase? - HBase - [mail # user]
...In my understanding of column-oriented structure of hbase, the first thing is the term column-oriented. The meaning is that the data which belongs to the same column family stores continuous...
   Author: yonghu, 2012-08-06, 03:37
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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