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[expand - 1 more] - Re: Key Design Question for list data - HBase - [mail # user]
...Great, glad to help Derek! One clarification, on space usage: on disk, the  row key (and column family) is repeated for every cell. So if you have rows  like:  user123:  ...
   Author: Ian Varley, 2012-04-04, 18:15
Re: HBase & BigTable + History: Can it run decently on a 512MB machine? What's the difference between the two? - HBase - [mail # user]
...DS,  HBase is an open source project, so you can read the source code and make t hat determination for yourself. It was first created based on the same idea s in the Bigtable paper (pub...
   Author: Ian Varley, 2012-03-06, 00:48
Re: Scanning the last N rows - HBase - [mail # user]
...Yes, you do have to worry about efficiency. If your rows aren't ordered in  the table (by rowkey) according to the update date, the server will be havi ng to scan the entire table. Your...
   Author: Ian Varley, 2012-03-02, 21:49
[expand - 1 more] - Re: Seeking HBase schema design examples - HBase - [mail # user]
...Yes, that's a great one - and it's one of the few schemas I've found that's  published online and well explained. I think we need more of that! :)  Ian  On Feb 23, 2012, at 1:...
   Author: Ian Varley, 2012-02-23, 14:16
Re: Solr & HBase - Re: How is Data Indexed in HBase? - HBase - [mail # user]
...One minor clarification:  HBase is primarily built for retrieving a single row at a time based on a predetermined and known location (the key).  Substitute that with: "HBase is pri...
   Author: Ian Varley, 2012-02-22, 18:18
Re: Corresponding table in Hbase - HBase - [mail # user]
...Adarsh,  HBase doesn't have the concept of a globally unique auto-incrementing "ID"  column; that would require that all PUTs to any region of a table first go  through some c...
   Author: Ian Varley, 2012-02-22, 15:32
Re: Flushing to HDFS sooner - HBase - [mail # user]
...Manuel, do you have the WAL disabled? If not, theoretically, what "should"  have happened here was that the WAL would have been synced to disk when the  row was written (flush or n...
   Author: Ian Varley, 2012-02-19, 16:00
Re: multiple partial scans in the row - HBase - [mail # user]
...James,  Are your orderIds ordered? You say "a range of orderIds", which implies tha t (i.e. they're sequential numbers like 001, 002, etc, not hashes or random  values). If so, the...
   Author: Ian Varley, 2012-02-14, 18:01
Re: Book/RefGuide updated - HBase - [mail # user]
...Thanks for doing such a great, consistent job providing explanations and do cumentation about HBase, Doug!  On Feb 10, 2012, at 2:09 PM, Doug Meil wrote:   Hi folks-  The HBas...
   Author: Ian Varley, 2012-02-10, 20:21
Re: hbasecon date at the website - HBase - [mail # dev]
...Submission deadline is 2/20.  Conference is 5/22.  Ian  On Feb 8, 2012, at 8:03 PM, Dani Rayan wrote:  Hi,  Could someone correct the date at http://www.hbasecon.com...
   Author: Ian Varley, 2012-02-09, 02:05
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