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Re: HBase 'Real-Time' reads? - HBase - [mail # user]
...I think you misunderstand concept of "memstore". That's just the name of the temporary in-memory storage. Each region has its own memstore, and thus it's located on the regionserver itself. ...
   Author: Adrien Mogenet, 2012-09-12, 21:28
[HBASE-6722] fixHdfsOrphans won't work for first/end regions - HBase - [issue]
...When a .regioninfo is missing on the first (or final) region, it will try to determine the startKey (or endKey) based on what it has been seen on the HDFS.However, for these special cases an...
http://issues.apache.org/jira/browse/HBASE-6722    Author: Adrien Mogenet, 2012-09-05, 20:00
Re: bulk loading - region creation/pre-spliting - HBase - [mail # user]
...If you plan pre-splitting regions, look at the classes exposed by RegionSplitter (http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/util/RegionSplitter.html).  Are you keys String...
   Author: Adrien Mogenet, 2012-08-30, 06:50
Re: Client receives SocketTimeoutException (CallerDisconnected on RS) - HBase - [mail # user]
...On Fri, Aug 24, 2012 at 6:52 PM, N Keywal  wrote:  Totally randoms (even on keys that do not exist). But the number of writeRequests looks also roughly well distributed.   I'm...
   Author: Adrien Mogenet, 2012-08-28, 06:34
Re: RS, TT, shared DN and good performance on random Hbase random reads. - HBase - [mail # user]
...How would you define a "low slotted" ? A poor scheduling capacity to avoid high number of mappers ?  On Sat, Aug 25, 2012 at 3:32 PM, Harsh J  wrote:    Adrien Mogenet 06...
   Author: Adrien Mogenet, 2012-08-25, 17:19
Re: Poor data locality of MR job - HBase - [mail # user]
...Did you pre split your table or did you let balancer assign regions to regionservers for you ?  Did your regionserver(s) fail ?  On Thu, Aug 2, 2012 at 8:31 AM, Bryan Keller  ...
   Author: Adrien Mogenet, 2012-08-02, 06:39
Re: Row distribution - HBase - [mail # user]
...details of a table. You can also develop your own "balance viewer" through the HBase API (list of RS, regions, storeFiles, their size, etc.)  On Wed, Jul 25, 2012 at 7:32 AM, Mohit Anch...
   Author: Adrien Mogenet, 2012-07-25, 05:59
Re: region in transcation problem: Region is not online? - HBase - [mail # user]
...Which version of HBase are you using ? Did any RegionServer fail ?  On Tue, Jul 17, 2012 at 5:35 AM, deanforwever2010  wrote:  d    Adrien Mogenet 06.59.16.64.22 htt...
   Author: Adrien Mogenet, 2012-07-17, 05:56
Re: Maximum number of tables ? - HBase - [mail # user]
...Thanks for these answers ; it was a theoretical question. Actually, a common pattern in other solutions for batch deletion is to organize data in - for instance - one table per day and remov...
   Author: Adrien Mogenet, 2012-07-14, 06:27
Re: Too many regions - HBase - [mail # user]
...Everyone will tell you that handling less regions is always better. Depending on your setup, data-size and number of records, I would say that  1 to 5 regions per table and server is ac...
   Author: Adrien Mogenet, 2012-07-13, 21:21
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