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Basic Question - Hadoop - [mail # user]
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...In Mapper I often use a Global Text object and througout the map processing I just call "set" on it. My question is, what happens if collector receives similar byte array value. Does the las...
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Author: Mohit Anchlia,
2012-08-07, 18:26
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Hadoop MRUnit - Hadoop - [mail # user]
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...Does MRUnit also work with cdh3 version? We are currently using cdh3 but in the examples I see it's all using new context class....
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Author: Mohit Anchlia,
2012-08-07, 00:03
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Re: Avro - Hadoop - [mail # user]
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...On Sat, Aug 4, 2012 at 11:43 PM, Nitin Kesarwani wrote: Thanks! I am new to Avro what's the best place to see some examples of how Avro deals with schema changes? I am trying to...
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Author: Mohit Anchlia,
2012-08-05, 06:46
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Avro - Hadoop - [mail # user]
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...I've heard that Avro provides a good way of dealing with changing schemas. I am not sure how it could be done without keeping some kind of structure along with the data. Are there any good e...
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Author: Mohit Anchlia,
2012-08-04, 18:31
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Compression and Decompression - Hadoop - [mail # user]
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...Is the compression done on the client side or on the server side? If I run hadoop fs -text then is this client decompressing the file for me?...
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Author: Mohit Anchlia,
2012-07-05, 20:23
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Re: Dealing with changing file format - Hadoop - [mail # user]
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...On Mon, Jul 2, 2012 at 7:10 PM, Harsh J wrote: Thanks! Is there a good example of this that I can look at? ...
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Author: Mohit Anchlia,
2012-07-03, 04:40
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Dealing with changing file format - Hadoop - [mail # user]
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...I am wondering what's the right way to go about designing reading input and output where file format may change over period. For instance we might start with "field1,field2,field3" but at so...
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Author: Mohit Anchlia,
2012-07-02, 21:09
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How to find compression codec - Hadoop - [mail # user]
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...Is there a way to look at the sequence file or a block report to see which compression is being used?...
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Author: Mohit Anchlia,
2012-06-25, 22:25
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Re: Sync and Data Replication - Hadoop - [mail # user]
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...On Sun, Jun 10, 2012 at 9:39 AM, Harsh J wrote: I saw it in "Coherency Model" -> "consequences of application design" paragraph. Thanks for the information. It at least...
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Author: Mohit Anchlia,
2012-06-10, 19:17
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Re: Sync and Data Replication - Hadoop - [mail # user]
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...Thanks Harsh for detailed info. It clears things up. Only thing from those page is concerning is what happens when client crashes. It says you could lose upto a block worth of information. I...
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Author: Mohit Anchlia,
2012-06-09, 17:41
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