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a question about append operation of HFile.Writer - HBase - [mail # user]
...Hello,  One HFile consists of many blocks. Suppose we have two blocks, b1 and b2. The size of each block is 2K. In b1, we have two key-value pairs, whose keys are t1 and t2, separately....
   Author: yonghu, 2012-03-06, 17:01
[expand - 3 more] - Re: Write data content into HFile. - HBase - [mail # user]
...As shown in my code, I used RawLocalFileSystem() to return a FileSystem reference. But when I create a HFile.Writer, in the path parameter, I try to create a path in HDFS. There are two ways...
   Author: yonghu, 2012-03-06, 16:29
[expand - 1 more] - Re: a strange situation of HBase when I issue scan '.META.' command - HBase - [mail # user]
...Thanks for your apply. I didn't read it carefully.  Yong  On Mon, Mar 5, 2012 at 2:14 PM, Doug Meil  w rote: y start ED => LIES => [{NAME => 0', COMPRESSION => =&g...
   Author: yonghu, 2012-03-05, 13:21
[expand - 2 more] - Re: Which server store the root and .meta. information? - HBase - [mail # user]
...Thanks for your reply. If the -ROOT- and .META. tables are managed by two RegionServer separately. What is the functionality of Master node? It only assigns the Region node in the cluster? S...
   Author: yonghu, 2012-02-10, 14:59
[expand - 5 more] - Re: the occasion of the major compact? - HBase - [mail # user]
...Yes.  I have already used the way which suggested by Nicolas.  By the way which suggested by Lars, exporting the content of table, I am not sure if it's a good idea. As I can't con...
   Author: yonghu, 2012-01-27, 06:25
Re: hadoop and hbase mode - HBase - [mail # user]
...yes  On Tue, Jan 24, 2012 at 2:01 PM, sangeetha k  wrote:...
   Author: yonghu, 2012-01-24, 13:03
[expand - 6 more] - Re: zookeeper connection problem in pseudo mode - HBase - [mail # user]
...Hello Tom,  Thanks for your suggestion. I also felt that Zookeeper had problem. I will try to install Zookeeper separate from HBase.  Yong  On Fri, Jan 6, 2012 at 5:01 PM, Tom...
   Author: yonghu, 2012-01-06, 16:59
[expand - 1 more] - Re: availability and data replica issues of HBase - HBase - [mail # user]
...Hello,  Thanks for your response. I know that HBase chooses to support C+P. Is there any report about availability of HBase?  I am still confusing who is responsible for assigning ...
   Author: yonghu, 2011-12-10, 06:34
[expand - 2 more] - Re: How HBase implements delete operations - HBase - [mail # user]
...So, it means that if a row contains 3 column-families. To delete this row, the HBase will create three tombstones. Is that right?  Yong  On Sun, Nov 27, 2011 at 8:32 PM, lars hofha...
   Author: yonghu, 2011-11-27, 20:34
How can HBase return the metadata to the client? - HBase - [mail # user]
...Hello,  I read the blog http://www.larsgeorge.com/2009/10/hbase-architecture-101-storage.html and tried to understand the architecture of the HBase. There is one thing that makes me con...
   Author: yonghu, 2011-10-08, 10:19
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