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[expand - 1 more] - 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
[expand - 3 more] - 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
Re: Index building process design - HBase - [mail # user]
...You have an interesting question. I haven't come across anyone trying this approach yet. Replication is a relatively new feature so that might be one reason. But I think you are over enginee...
   Author: Amandeep Khurana, 2012-07-24, 01:15
Re: would HBase benefit from a underlying file system that supports random r/w - HBase - [mail # dev]
... On Monday, July 23, 2012 at 2:24 PM, Sujee Maniyam wrote:  In the current architecture, I don't think there will be much benefit. One could argue that you could create mutable HFi...
   Author: Amandeep Khurana, 2012-07-24, 00:55
Re: Use of MD5 as row keys - is this safe? - HBase - [mail # user]
...On Mon, Jul 23, 2012 at 9:58 AM, Jonathan Bishop wrote:   The book talks about hashing as well as salting. I'll add notes to it about possible collisions while using hashing. Thanks for...
   Author: Amandeep Khurana, 2012-07-23, 18:38
Re: host:port problem - HBase - [mail # user]
...This is most likely because of a mismatch in the ZK library version betwe en your web service and the HBase install. Can you confirm you got the sa me version in both places?     O...
   Author: Amandeep Khurana, 2012-07-23, 15:33
Re: How to merge regions in HBase? - HBase - [mail # user]
...You shouldn't have empty regions. Using timestamp will give you regions that are always half filled except the last one to which you are writing the current time range. The moment that'll fi...
   Author: Amandeep Khurana, 2012-07-17, 23:26
Re: Maximum number of tables ? - HBase - [mail # user]
...I have come across clusters with 100s of tables but that typically is due to a sub optimal table design.  The question here is - why do you need to distribute your data over lots of tab...
   Author: Amandeep Khurana, 2012-07-13, 15:50
[expand - 1 more] - Re: DataNode Hardware - HBase - [mail # user]
...The issue with having lower cores per box is that you are collocating datanode, region servers, task trackers and then the MR tasks themselves too. Plus you need a core for the OS too. These...
   Author: Amandeep Khurana, 2012-07-12, 20:26
Re: Auto failover of HBase - HBase - [mail # user]
...Gen,   HBase has HA across the entire stack. Have you read the original Google Bigtable paper to understand the architecture of the system? That is a great place to start.  -Amande...
   Author: Amandeep Khurana, 2012-07-11, 04:42
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