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Re: Bulk Loading from Oracle to Hbase - HBase - [mail # user]
...Mehmet  What's the problem you are getting while running the Sqoop job? Can you give details?  -Amandeep  On Thu, Dec 13, 2012 at 8:44 AM, Manoj Babu  wrote:...
   Author: Amandeep Khurana, 2012-12-13, 16:48
Re: PROD/DR - Replication - HBase - [mail # user]
...What failure condition are you trying to safeguard against? A full data center failure? That's when you would lose your entire cluster and need the DR to kick in. Otherwise, you could deploy...
   Author: Amandeep Khurana, 2012-12-07, 19:56
Re: scaling a low latency service with HBase - HBase - [mail # user]
...Answers inline  On Fri, Oct 19, 2012 at 4:31 PM, Dave Latham  wrote:   Yes. The key to get more predictable performance is to separate out workloads. What are the other things...
   Author: Amandeep Khurana, 2012-10-20, 00:22
Re: HBase tunning - HBase - [mail # user]
...Mohit  Getting the maximum performance out of HBase isn't just about tuning the cluster. There are several other factors to take into account. The two most important being:  1. Mos...
   Author: Amandeep Khurana, 2012-10-06, 04:21
[HBASE-1672] Map tasks not local to RS - HBase - [issue]
...The number of data local map tasks while scanning a table is only about 10% of the total map tasks...My table had 280 regions and 13M records... The number of map tasks in the scan job were ...
http://issues.apache.org/jira/browse/HBASE-1672    Author: Amandeep Khurana, 2012-09-20, 23:10
[HBASE-6740] Build out a toolset to make regular user operations on HBase tables - HBase - [issue]
...We currently have some stock MR jobs like import/export, copytable, importtsv etc and tools like hbck, hfile viewer, WAL viewer etc that are a part of HBase core. These are sometimes used ju...
http://issues.apache.org/jira/browse/HBASE-6740    Author: Amandeep Khurana, 2012-09-12, 04:34
Re: md5 hash key and splits - HBase - [mail # user]
...Also, you might have read that an initial loading of data can be better distributed across the cluster if the table is pre-split rather than starting with a single region and splitting (poss...
   Author: Amandeep Khurana, 2012-08-30, 23:30
Re: Timeseries data - HBase - [mail # user]
...Can you give an example of what you are trying to do and how you would use both the writes coming in at the same instant for the same cell and why do you say that the nanosecond approach is ...
   Author: Amandeep Khurana, 2012-08-29, 02:15
Re: multitable query - HBase - [mail # user]
...You can scan over one of the tables (using TableInputFormat) and do simple gets on the other table for every row that you want to join.  An interesting question to address here would be...
   Author: Amandeep Khurana, 2012-08-10, 13:29
Re: consistency, availability and partition pattern of HBase - HBase - [mail # user]
...Please read the papers. You'll understand the architecture better that way.  On Aug 9, 2012, at 1:48 PM, Lin Ma  wrote:  Thank you Amandeep,  So I can simply understand i...
   Author: Amandeep Khurana, 2012-08-09, 08:43
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