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drop table problem - HBase - [mail # user]
...Normally you wouldn't need to remove the whole /hbase root on ZK. Removing the node which is related to your table should be enough. Restart your master so that it will read table state agai...
   Author: Adrien Mogenet , 2013-01-24, 19:49
  
Hbase heap size - HBase - [mail # user]
...On Fri, Jan 18, 2013 at 3:24 AM, lars hofhansl  wrote:  > - The largest useful region size is 20G (at least that is the current > common tribal knowledge). >  I'm usi...
   Author: Adrien Mogenet , 2013-01-18, 20:28
  
Region status. - HBase - [mail # user]
...Perhaps can you dive into ZK nodes ?   On Fri, Jan 11, 2013 at 9:32 PM, Jean-Marc Spaggiari  wrote:  > Thanks Ram. > > It was not for a test case, so I will try to fi...
   Author: Adrien Mogenet , 2013-01-17, 18:18
  
[expand - 1 more] [collapse] - Coprocessor / threading model - HBase - [mail # user]
...Thanks for pointing me out the Jira, that's useful for my understanding. I'm using HBase 0.94.3, and regions of main and index table are co-located on the same RS as in Anoop's design. I'll ...
   Author: Adrien Mogenet , 2013-01-13, 10:42
  
Coprocessor / threading model - HBase - [mail # user]
...Hi there,  I'm experiencing some issues with CP. I'm trying to implement an indexing solution (inspired by Annop's slides). In pre-put, I trigger another Put() in an external table (to ...
   Author: Adrien Mogenet , 2013-01-13, 00:06
[expand - 1 more] [collapse] - HBase - Secondary Index - HBase - [mail # user]
...Are your talking about Data block encoding of K/V ? https://issues.apache.org/jira/browse/HBASE-4218   On Sun, Jan 6, 2013 at 9:36 PM, Mohit Anchlia wrote:  > Does anyone has an...
   Author: Adrien Mogenet , 2013-01-06, 20:40
  
HBase - Secondary Index - HBase - [mail # user]
...Nice topic, perhaps one of the most important for 2013 :-) I still don't get how you're ensuring consistency between index table and main table, without an external component (such as bookke...
   Author: Adrien Mogenet , 2013-01-06, 20:30
Fastest way to find is a row exist? - HBase - [mail # user]
...On every Get, BloomFilter is acting as a filter (!) on top of each HFile and allows to check if a key is absent from the HFile. So yes, you will benefit from these filters.   On Fri, Ja...
   Author: Adrien Mogenet , 2013-01-04, 20:17
  
Never ending major compaction? - HBase - [mail # user]
...Do you have 100% data locality ? How is the network trafic ?   On Wed, Jan 2, 2013 at 7:07 AM, Ted Yu  wrote:  > bq. It took about 6h to complete. > > If the above be...
   Author: Adrien Mogenet , 2013-01-02, 07:49
  
[expand - 1 more] [collapse] - HBase table affinity to host(s) - HBase - [mail # user]
...Oh, thanks for that explanation !   On Thu, Dec 27, 2012 at 4:39 PM, Nicolas Liochon  wrote:  > You don't want the a balancer to move a region to a region server you're >...
   Author: Adrien Mogenet , 2012-12-27, 17:11
  
HBase table affinity to host(s) - HBase - [mail # user]
...Are you sure ? So why is the balancer disabled before rolling restart ?   On Mon, Dec 24, 2012 at 2:04 AM,  wrote:  > They would move over to live region servers. > >...
   Author: Adrien Mogenet , 2012-12-27, 15:09
[expand - 1 more] [collapse] - recommended nodes - HBase - [mail # user]
...Maybe you should give a little more information about your RAID controller (write back / write through ?) and the underlying filesystem (ext3 ? blocksize ?).  Very interesting benchmark...
   Author: Adrien Mogenet , 2012-12-20, 22:11
  
recommended nodes - HBase - [mail # user]
...Does HBase really benefit from 64 GB of RAM since allocating too large heap might increase GC time ?  Another question : why not RAID 0, in order to aggregate disk bandwidth ? (and thus...
   Author: Adrien Mogenet , 2012-11-28, 17:07
Can't enable, nor disable, nor truncate nor drop - HBase - [mail # user]
...Remove the inconsistant ZK node and restart the master, it should help !   On Thu, Dec 13, 2012 at 8:18 AM, Rajeshbabu Chintaguntla  wrote:  > Hi Alexander, This problem co...
   Author: Adrien Mogenet , 2012-12-13, 08:06
  
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