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Re: How to change topology - MapReduce - [mail # user]
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...On Tue, Oct 9, 2012 at 12:17 PM, Steve Loughran wrote: For what it's worth, there is at least one Hadoop derived distribution which has live topology resetting already. I can fo...
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Author: Ted Dunning,
2012-10-09, 19:31
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Re: Cumulative value using mapreduce - MapReduce - [mail # user]
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...The answer is really the same. Your problem is just using a goofy representation for negative numbers (after all, negative numbers are a relatively new concept in accounting). Yo...
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Author: Ted Dunning,
2012-10-05, 05:50
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Re: Cumulative value using mapreduce - MapReduce - [mail # user]
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...Bertrand is almost right. The only difference is that the original poster asked about cumulative sum. This can be done in reducer exactly as Bertrand described except for two poi...
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Author: Ted Dunning,
2012-10-04, 17:52
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Re: best way to join? - MapReduce - [mail # user]
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...On Sun, Sep 2, 2012 at 12:26 PM, dexter morgan wrote: This is probably right as stated, but I think that there is confusion here. Many people assume that each point in the train...
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Author: Ted Dunning,
2012-09-03, 19:47
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Re: best way to join? - MapReduce - [mail # user]
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...I don't know off-hand. I don't understand the importance of your constraint either. On Thu, Aug 30, 2012 at 5:21 AM, dexter morgan wrote: ...
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Author: Ted Dunning,
2012-08-30, 20:05
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Re: How to unsubscribe (was Re: unsubscribe) - MapReduce - [mail # user]
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...Nicely done. This seems to indicate that there might be a bug in the mailing list management configuration. Not sure how that would happen with exmlm, but it seems more plausible...
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Author: Ted Dunning,
2012-08-30, 05:24
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Re: How to unsubscribe (was Re: unsubscribe) - MapReduce - [mail # user]
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...Can you say which addresses you sent emails so? The merging of mailing lists may have left you subscribed to a different group than you expected. Thus, your assumptions may not m...
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Author: Ted Dunning,
2012-08-30, 04:58
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Re: How to unsubscribe (was Re: unsubscribe) - MapReduce - [mail # user]
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...That was a stupid joke. It wasn't real advice. Have you sent email to the specific email address listed? On Thu, Aug 30, 2012 at 12:35 AM, sathyavageeswaran <[EMAIL PROT...
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Author: Ted Dunning,
2012-08-30, 04:41
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Re: best way to join? - MapReduce - [mail # user]
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...I don't mean that. I mean that a k-means clustering with pretty large clusters is a useful auxiliary data structure for finding nearest neighbors. The basic outline is that you f...
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Author: Ted Dunning,
2012-08-28, 20:07
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Re: best way to join? - MapReduce - [mail # user]
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...Mahout is getting some very fast knn code in version 0.8. The basic work flow is that you would first do a large-scale clustering of the data. Then you would make a second pass u...
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Author: Ted Dunning,
2012-08-27, 21:52
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