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Re: HBase (BigTable) many to many with students and courses - HBase - [mail # user]
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...On May 29, 2012, at 3:25 PM, Em wrote: Yup, unless you denormalize the tweet bodies as well--then you just read th e current user's record and you have everything you need (with the do...
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Author: Ian Varley,
2012-05-29, 23:30
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Re: HBase (BigTable) many to many with students and courses - HBase - [mail # user]
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...On May 29, 2012, at 1:24 PM, Em wrote: Ha, yes, thanks. That's what I meant. Yup, unless you denormalize the tweet bodies as well--then you just read th e current user's record...
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Author: Ian Varley,
2012-05-29, 19:26
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Re: HBase (BigTable) many to many with students and courses - HBase - [mail # user]
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...A few more responses: On May 29, 2012, at 10:54 AM, Em wrote: a Yes, that's a good way of putting it. I did a talk at HBaseCon this year that deals with some of these...
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Author: Ian Varley,
2012-05-29, 17:49
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Re: HBase (BigTable) many to many with students and courses - HBase - [mail # user]
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...Em, What you're describing is a classic relational database nested loop or hash join; the only difference is that relational databases have this feature built in, and can d...
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Author: Ian Varley,
2012-05-29, 15:08
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[HBASE-6094] [refGuide] Improvements to new contributor docs - HBase - [issue]
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...developer.xml Expanded explanation around git & svn, and mentioning the EGit plugin Expanded explanation of setting up the eclipse project Extra section about basic compilation using mav...
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http://issues.apache.org/jira/browse/HBASE-6094
Author: Ian Varley,
2012-05-29, 00:00
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Re: Of hbase key distribution and query scalability, again. - HBase - [mail # user]
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...Mike, I gather that Dmitriy is asking whether there are any smarts in the region balancer based on heavy *read* traffic (i.e. if it turns out that your read load is heavily...
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Author: Ian Varley,
2012-05-26, 16:45
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Re: modularizing trunk - trunk is open - HBase - [mail # dev]
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...Hear hear. You guys wrestled the maven beast to the ground, and paved the w ay for a sustainable modularization strategy that'll get us to 1.0 and beyo nd. Great work indeed. Ian ...
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Author: Ian Varley,
2012-05-26, 14:05
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Re: Of hbase key distribution and query scalability, again. - HBase - [mail # user]
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...Yeah, I think you're right Dmitriy; there's nothing like that in HBase toda y as far as I know. If it'd be useful for you, maybe it would be for others , too; work up a rough patch and see w...
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Author: Ian Varley,
2012-05-25, 18:23
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Re: Of hbase key distribution and query scalability, again. - HBase - [mail # user]
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...Dmitriy, If I understand you right, what you're asking about might be called "Read H otspotting". For an obvious example, if I distribute my data nicely over th e cluster but then say:...
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Author: Ian Varley,
2012-05-25, 17:42
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Re: Efficient way to read a large number of files in S3 and upload their content to HBase - HBase - [mail # user]
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...This is a question I see coming up a lot. Put differently: what characteris tics make it useful to use HBase on top of HDFS, as opposed to just flat fi les in HDFS directly? "Quantity" isn't...
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Author: Ian Varley,
2012-05-24, 21:12
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