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Re: schema design: rows vs wide columns - HBase - [mail # user]
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...I think the important thing about Column Families is trying to understand on how to use them properly in a design. Sparse data may make sense. It depends on the use case and an unders...
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Author: Michael Segel,
2013-04-16, 14:35
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Re: Essential column family performance - HBase - [mail # user]
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...I think that JM brings up a good point. Keep in mind that RLL in HBase is not the same when you think of Row Level Locking in transactional systems. Depending on the use case... ...
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Author: Michael Segel,
2013-04-08, 18:07
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Re: schema design: rows vs wide columns - HBase - [mail # user]
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...StAck, Just because FB does something doesn't mean its necessarily a good idea for others to do the same. FB designs specifically for their needs and their use cases may not mat...
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Author: Michael Segel,
2013-04-08, 11:17
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Re: HBase M/R with M/R and HBase not on same cluster - HBase - [mail # user]
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...Just out of curiosity... Why do you want to run the job on Cluster A that reads from Cluster B but writes to Cluster A? Wouldn't it be easier to run the job on Cluster B and ins...
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Author: Michael Segel,
2013-03-25, 16:12
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Re: ‘split’ start/stop key range of large table regions for more map tasks - HBase - [mail # user]
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...I think the problem is that Wei has been reading some stuff in blogs and that's why he has such a large region size to start with. So if he manually splits the logs, drops the region ...
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Author: Michael Segel,
2013-03-25, 15:52
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Re: Evenly splitting the table - HBase - [mail # user]
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...@Aaron, You said you're using a salt, which would imply that your number is random and not derived from the base key. (Where base key is the key prior to being hashed. ) I...
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Author: Michael Segel,
2013-03-25, 11:20
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Re: HBase type support - HBase - [mail # user]
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...Thanks for the clarification Doug. Back to my point, I was saying that MD5 and SHA-1 are already part of the Java package so if you're running Java 1.6_xx or Java 1.7_xx, you will hav...
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Author: Michael Segel,
2013-03-19, 00:42
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Re: HBase type support - HBase - [mail # user]
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...yup. Why break a good thing? ;-) On Mar 18, 2013, at 6:54 PM, Jonathan Hsieh wrote: ...
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Author: Michael Segel,
2013-03-19, 00:31
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Re: HBase type support - HBase - [mail # user]
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...Its not a question of FUD, but that certain types of encryption/decryption code falls under the munitions act. See: http://www.fas.org/irp/offdocs/eo_crypt_9611_memo.htm Having s...
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Author: Michael Segel,
2013-03-17, 16:13
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Re: LIMITATIONS OF CODE THAT CAN BE WRITTEN IN HBASE COPROCESSORS - HBase - [mail # user]
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...I'm not sure of your question... Is it that when you wish to push out a new version of your coprocessor, that you have issues because the older version is being executed instead? &nbs...
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Author: Michael Segel,
2013-02-28, 16:31
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