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Re: Poor IO performance on a 10 node cluster. - Hadoop - [mail # user]
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...It is also worth using dd to verify your raw disk speeds. Also, expressing disk transfer rates in bytes per second makes it a bit easier for most of the disk people I know to figure ou...
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Author: Ted Dunning,
2011-06-02, 04:05
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Re: trying to select technology - Hadoop - [mail # user]
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...To pile on, thousands or millions of documents are well within the range that is well addressed by Lucene. Solr may be an even better option than bare Lucene since it handles lots of t...
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Author: Ted Dunning,
2011-05-31, 18:59
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Re: Simple change to WordCount either times out or runs 18+ hrs with little progress - Hadoop - [mail # user]
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...itr.nextToken() is inside the if. On Tue, May 24, 2011 at 7:29 AM, wrote: ...
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Author: Ted Dunning,
2011-05-24, 16:24
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Re: Hadoop and WikiLeaks - Hadoop - [mail # user]
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...ZK started as sub-project of Hadoop. On Thu, May 19, 2011 at 7:27 AM, M. C. Srivas wrote: ...
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Author: Ted Dunning,
2011-05-19, 15:54
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Re: matrix-vector multiply in hadoop - Hadoop - [mail # user]
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...Try using the Apache Mahout code that solves exactly this problem. Mahout has a distributed row-wise matrix that is read one row at a time. Dot products with the vector are compu...
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Author: Ted Dunning,
2011-05-18, 03:10
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Re: Defining Hadoop Compatibility -revisiting- - Hadoop - [mail # general]
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...But "distribution Z includes X" kind of implies the existence of some such that X != Y, Y != empty-set and X+Y = Z, at least in common usage. Isn't that the same as a non-trunk change?...
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Author: Ted Dunning,
2011-05-13, 22:53
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Re: Defining Hadoop Compatibility -revisiting- - Hadoop - [mail # general]
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...I thought the word "comprising" meant includes, not is. On Fri, May 13, 2011 at 1:53 AM, Doug Cutting wrote: ...
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Author: Ted Dunning,
2011-05-13, 13:43
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Re: Defining Hadoop Compatibility -revisiting- - Hadoop - [mail # general]
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...I would say that an English spec with associated test suite is a middle ground. On Thu, May 12, 2011 at 9:52 PM, Milind Bhandarkar <[EMAIL PROTECTED] ...
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Author: Ted Dunning,
2011-05-13, 05:38
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Re: Defining Hadoop Compatibility -revisiting- - Hadoop - [mail # general]
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...Did anybody propose natural language only specifications? On Thu, May 12, 2011 at 8:37 PM, Milind Bhandarkar <[EMAIL PROTECTED] ...
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Author: Ted Dunning,
2011-05-13, 04:05
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Re: OT: anyone else going to berlin buzzwords? - Hadoop - [mail # general]
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...Actually, I just heard from Isabel that there will be a Buzzwords barbecue that evening. Should we all just meet there and then adjourn for beers after dinner? On Thu, May 12, 20...
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Author: Ted Dunning,
2011-05-12, 18:12
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