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[expand - 1 more] - 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
[expand - 1 more] - 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
Re: HBase 0.92 with Hadoop 0.22 - HBase - [mail # user]
...yes. You can compile the hadoop jar file  by yourself and put into the Hbase lib folder.  Regards!  Yong  On Mon, Apr 16, 2012 at 2:09 PM, Harsh J  wrote:...
   Author: yonghu, 2012-04-16, 12:20
[expand - 1 more] - Re: Is it possible to install two different Hbase versions in the same Cluster? - HBase - [mail # user]
...Mike,  Can you explain why I can't put the RS on the same node?  Thanks!  Yong  On Mon, Apr 16, 2012 at 1:33 PM, Michel Segel  wrote:...
   Author: yonghu, 2012-04-16, 11:39
[expand - 3 more] - Re: dump HLog content! - HBase - [mail # user]
...Thanks for your important information. I have found this information in the hbase-default.xml file.  Regards!  Yong  On Sun, Apr 15, 2012 at 8:36 PM, Manish Bhoge  wrote:...
   Author: yonghu, 2012-04-15, 18:47
[expand - 1 more] - Re: A confusion of RegionCoprocessorEnvironment.getReion() method - HBase - [mail # user]
...Thanks for your explanation. Now it's clear for me.  Regards!  Yong  On Tue, Apr 10, 2012 at 6:13 PM, Gary Helmling  wrote:...
   Author: yonghu, 2012-04-10, 16:20
Re: Still Seeing Old Data After a Delete - HBase - [mail # user]
...Hi Shwan,  My hbase-version is 0.92.0. I have to mention that in recently I noticed that the delete semantics between shell and Java api are different. In shell, if you delete one versi...
   Author: yonghu, 2012-03-27, 17:51
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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