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RE: MapReduce on autocomplete - Hadoop - [mail # user]
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...I think we've all been there at some point, haven't we? From: Harsh J [mailto:[EMAIL PROTECTED]] Sent: 29 March 2012 10:28 To: [EMAIL PROTECTED] Subject: Re: MapReduce on autoco...
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Author: Tony Burton,
2012-03-29, 09:30
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RE: MapReduce on autocomplete - Hadoop - [mail # user]
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...Thanks for the heads-up Harsh: http://dl.dropbox.com/u/6327451/mapreduce.jpg From: Harsh J [mailto:[EMAIL PROTECTED]] Sent: 28 March 2012 18:27 To: [EMAIL PRO...
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Author: Tony Burton,
2012-03-29, 08:54
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MapReduce on autocomplete - Hadoop - [mail # user]
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...So I have a lot of small files on S3 that I need to consolidate, so headed to Google to see the best way to do it in a MapReduce job. Looks like someo ne's got a different idea, accord...
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Author: Tony Burton,
2012-03-28, 16:40
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RE: decompressing bzip2 data with a custom InputFormat - Hadoop - [mail # user]
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...Cool - thanks for the confirmation and link, Joey, very helpful. From: Joey Echeverria [mailto:[EMAIL PROTECTED]] Sent: 14 March 2012 19:03 To: [EMAIL PROTECTED] Su...
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Author: Tony Burton,
2012-03-16, 10:05
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RE: decompressing bzip2 data with a custom InputFormat - Hadoop - [mail # user]
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...Hi - sorry to bump this, but I'm having trouble resolving this. Essentially the question is: If I create my own InputFormat by subclassing TextInputFormat, does the subclass hav...
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Author: Tony Burton,
2012-03-14, 16:08
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decompressing bzip2 data with a custom InputFormat - Hadoop - [mail # user]
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...Hi, I'm setting up a map-only job that reads large bzip2-compressed data files, parses the XML and writes out the same data in plain text format. My XML I nputFormat extends Text...
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Author: Tony Burton,
2012-03-12, 18:04
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RE: has bzip2 compression been deprecated? - Hadoop - [mail # user]
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...Thanks for this Bejoy, very helpful. So, to summarise: when I CREATE EXTERNAL TABLE in Hive, the STORED AS, ROW FORMAT and other parameters you mention are telling Hive what to ...
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Author: Tony Burton,
2012-01-10, 11:08
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RE: has bzip2 compression been deprecated? - Hadoop - [mail # user]
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...Thanks all for advice - one more question on re-reading Harsh's helpful rep ly. " Intermediate (M-to-R) files use a custom IFile format these days". Ho w recently is "these days", and can th...
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Author: Tony Burton,
2012-01-10, 10:48
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RE: has bzip2 compression been deprecated? - Hadoop - [mail # user]
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...Thanks Bejoy - I'm fairly new to Hive so may be wrong here, but I was under the impression that the STORED AS part of a CREATE TABLE in Hive refers to how the data in the table w...
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Author: Tony Burton,
2012-01-09, 18:02
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RE: has bzip2 compression been deprecated? - Hadoop - [mail # user]
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...Thanks for the quick reply and the clarification about the documentation. Regarding sequence files: am I right in thinking that they're a good choice for intermediate steps in ch...
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Author: Tony Burton,
2012-01-09, 16:14
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