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[expand - 1 more] - Re: HBASE - select distinct query against the rowkey - HBase - [mail # user]
...There is no concept of transaction in the NoSQL world.  At least not in HBase.  All writes are atomic. Note that you *could* hold a lock, however, not really a good idea for a clie...
   Author: Michael Segel, 2012-12-20, 16:48
Re: Many scanner opening - HBase - [mail # user]
...I'd suggest looking in to a schema design change.  On Dec 18, 2012, at 2:01 AM, Eugeny Morozov  wrote:  ...
   Author: Michael Segel, 2012-12-20, 13:14
[expand - 1 more] - Re: recommended nodes - HBase - [mail # user]
...Yeah,  I couldn't argue against LVMs when talking with the system admins.  In terms of speed its noise because the CPUs are pretty efficient and unless you have more than 1 drive p...
   Author: Michael Segel, 2012-12-20, 01:14
[expand - 1 more] - Re: Customizing hbase shell's table formatting - HBase - [mail # user]
...Well the shell is written in JRuby which is pretty much Ruby.   That's the best way to enhance the shell.   On Dec 19, 2012, at 2:56 PM, Adam Phelps  wrote:  ...
   Author: Michael Segel, 2012-12-19, 21:04
Re: How to design a data warehouse in HBase? - HBase - [mail # user]
...I think you need to level set your expectation. Hive is good if you're working with a large portion of your underlying data set.   HBase is better if you're looking at a relatively smal...
   Author: Michael Segel, 2012-12-13, 20:20
[expand - 1 more] - Re: Heterogeneous cluster - HBase - [mail # user]
...Ok...   From a production/commercial grade answer...   With respect to HBase, you will have 1 live copy and 2 replications. (Assuming you didn't change this.) So when you run again...
   Author: Michael Segel, 2012-12-09, 08:27
Re: setup of a standalone HBase on local filesystem - HBase - [mail # user]
...I wouldn't do that unless you're running in a VM. Also don't lose the local host reference. That's the important one.   On Nov 26, 2012, at 4:46 AM, Mohammad Tariq  wrote:  ...
   Author: Michael Segel, 2012-11-26, 16:36
[expand - 1 more] - Re: Expert suggestion needed to create table in Hbase - Banking - HBase - [mail # user]
...If the row Key is just the customer ID, then a simple MD5 hash or SHA-1 hash would suffice.  That would clear up any risk of hot spotting, once you do your initial load of data.   ...
   Author: Michael Segel, 2012-11-26, 12:30
Re: EXT :Re: HBase Issues (perhaps related to 127.0.0.1) - HBase - [mail # user]
...Hi Alan,   Yes. I am suggesting that.   Your 127.0.0.1 subnet should be localhost  only and then your other entries.  It looks like 10.64.155.52 is the external interface...
   Author: Michael Segel, 2012-11-24, 02:51
Re: Custom versioning best practices - HBase - [mail # user]
...IMHO, the best practice is not to do this.   Its an abuse of versioning and if you really want to store temporal data, make it part of the column name.    On Nov 22, 2012, at ...
   Author: Michael Segel, 2012-11-22, 16:11
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