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Re: Create table with coprocessors from hbase shell - HBase - [mail # user]
...Depending on the version of HBase and thus HBase Shell, what does the help command tell you?  If the alter table doesn't have it as an option... then I'd say you're better off writing J...
   Author: Michael Segel, 2013-06-13, 02:27
Re: SSD vs Spinning disks - HBase - [mail # user]
...To add to Andrew's point...  There are now disks which are a hybrid of flash and spinning media.  So that your writes are faster since they are buffered in to flash and your reads ...
   Author: Michael Segel, 2013-06-12, 10:33
Re: Regarding Indexing columns in HBASE - HBase - [mail # user]
...Ok...  A little bit more detail...  First, its possible to store your data in multiple tables each with a different key.  Not a good idea for some very obvious reasons.... &nb...
   Author: Michael Segel, 2013-06-04, 18:47
[expand - 1 more] - Re: querying hbase - HBase - [mail # user]
...Sure, but that wont change the fact that Coprocessors should go under a massive rewrite. You're hitting a problem that Sybase faced while Informix (datablades) didn't when it came to running...
   Author: Michael Segel, 2013-06-02, 02:44
Re: What is the best hbase table schema for following json data? - HBase - [mail # user]
...But you should be able to write a custom column filter that handles JSON records within a cell.   On May 30, 2013, at 11:48 AM, Ted Yu  wrote:  ...
   Author: Michael Segel, 2013-05-30, 19:09
[expand - 1 more] - Re: Key Value collision - HBase - [mail # user]
...Yes, but that wasn't what he asked. ;-)   On May 16, 2013, at 3:05 PM, Jeff Kolesky  wrote:  ...
   Author: Michael Segel, 2013-05-16, 20:50
[expand - 1 more] - Re: GET performance degrades over time - HBase - [mail # user]
...If you're not swapping then don't worry about it.   My comment was that even though you set the swap to 0, and I'm going from memory, its possible for some swap to occur.  (But I c...
   Author: Michael Segel, 2013-05-16, 18:59
Re: failed to create table using hbase shell - HBase - [mail # user]
...What do you get when you enter the status command?  (status 'simple' or just status should be sufficient.)   Just because you can start the HBase Shell doesn't mean that the cluste...
   Author: Michael Segel, 2013-05-09, 16:52
[expand - 1 more] - Re: Export / Import and table splits - HBase - [mail # user]
...I don't see much value in duplicating the table's structure, but IMHO, the jury is still out.    On May 7, 2013, at 6:02 PM, Jean-Marc Spaggiari  wrote:  ...
   Author: Michael Segel, 2013-05-07, 23:11
[expand - 1 more] - Re: Poor HBase map-reduce scan performance - HBase - [mail # user]
...You really don't want to mess around with the block size.  Sure larger blocks are better for sequential scans, but the minute you do a lot of random ad hoc fetches... you're kinda screw...
   Author: Michael Segel, 2013-05-06, 03:09
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