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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
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
Re: Why Hadoop can't find Reducer when Mapper reads data from HBase? - HBase - [mail # user]
...Strage thing is the same program works fine in the cluster.  By the way, also in pseudo mode when MapReduce read data from Cassandra in Map phase and transferred to Reduce phase, the sa...
   Author: yonghu, 2012-07-13, 05:45
Re: HBase RegionServer can't connect to Master - HBase - [mail # user]
...I think you can also use ifconfig command in the VM to see the ip address. And then you can change your ip address in /etc/hosts.  Regards!  Yong  On Wed, May 2, 2012 at 7:21 ...
   Author: yonghu, 2012-05-04, 08:00
Re: Hbase custom filter - HBase - [mail # user]
...It means that java run time can't find org/apache/hadoop/hbase/filter/FilterBase class. You have to add the hbase.jar in your classpath.  regards!  Yong  On Wed, May 2, 2012 a...
   Author: yonghu, 2012-05-02, 11:45
Re: Are minor compaction and major compaction different in HBase 0.92? - HBase - [mail # user]
...Thanks for your reply. I install  HBase in pseudo-mode. I think my situation is that the minor compaction promotes to major compaction. I have 3 HFiles for table 'test' in one RegionSer...
   Author: yonghu, 2012-04-27, 08:28
Re: Problem to Insert the row that i was deleted - HBase - [mail # user]
...As Lars mentioned, the row is not physically deleted. The way which Hbase uses is to insert a cell called "tombstone" which is used to mask the deleted value, but value is still there (if th...
   Author: yonghu, 2012-04-25, 08:10
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