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Re: Expert suggestion needed to create table in Hbase - Banking - HBase - [mail # user]
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...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. ...
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Author: Michael Segel,
2012-11-26, 12:30
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Re: Expert suggestion needed to create table in Hbase - Banking - HBase - [mail # user]
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...Rams, I think you need to go back and think about why you want to use Hadoop and HBase in the first place. Second, you need to think about your data and how you are planning to ...
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Author: Michael Segel,
2012-11-26, 12:27
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Re: EXT :Re: HBase Issues (perhaps related to 127.0.0.1) - HBase - [mail # user]
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...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...
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Author: Michael Segel,
2012-11-24, 02:51
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Re: Custom versioning best practices - HBase - [mail # user]
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...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 ...
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Author: Michael Segel,
2012-11-22, 16:11
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Re: HBase Issues (perhaps related to 127.0.0.1) - HBase - [mail # user]
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...Hi, Quick question... DO you have 127.0.0.1 set to anything other than localhost? If not, then it should be fine and you may want to revert to hard coded IP addresses on ...
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Author: Michael Segel,
2012-11-22, 00:40
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Re: Region hot spotting - HBase - [mail # user]
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...Salting is not a good idea and I don't know why people suggest it. Case in point.... you want to fetch a single row/record back. Because the salt is arbitrary, you will need to send N...
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Author: Michael Segel,
2012-11-21, 21:21
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Re: delete rows without writing HLog may be appear in the future? - HBase - [mail # user]
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...Ok, First, I am a firm believer of not bypassing the WAL period. I'm not sure why you would be seeing the data after a delete. If what you said is true, then either the delete g...
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Author: Michael Segel,
2012-11-21, 16:18
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Re: delete rows without writing HLog may be appear in the future? - HBase - [mail # user]
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...Some time later? Time of course is relative, so I have to ask what occurred between the write and the delete? How much time? Did you have any compactions in between the write an...
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Author: Michael Segel,
2012-11-21, 15:09
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Re: HBase NonBlocking and Async Thrift - HBase - [mail # user]
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...Are there many HBase Thrift users? When we first looked at it 3 years ago, it wasn't commercial grade, so we decided to avoid using it. From the look of things, it hasn't improv...
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Author: Michael Segel,
2012-11-21, 15:04
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Re: HBase in action. - HBase - [mail # user]
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...Tree Killer! Sorry, I had to say that... I would recommend the electronic versions. Using Lars' book as an example... you can annotate, flag and search the book's content ...
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Author: Michael Segel,
2012-11-21, 14:59
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