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Having troubles with PigStorage - Pig - [mail # user]
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...I'm trying to play around with Amazon EMR, and I currently have self hosted Cassandra as the source of data. I was going to try to do: Cassandra -> S3 -> EMR. I've traced m...
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Author: William Oberman,
2012-11-06, 20:20
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Re: best practice for Pig + MySql for meta data lookups - Pig - [mail # user]
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...Hello again, I spend the last day trying to load one of my MySql tables into a Pig bag of tuples based on a sqoop-import. I have something that seems to work finally, but I wante...
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Author: William Oberman,
2012-09-12, 14:41
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Re: best practice for Pig + MySql for meta data lookups - Pig - [mail # user]
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...Thanks (again)! I'm already using CassandraStorage to load the JSON strings. I used Maps because I liked being able to name the fields, but I could easily change my UDF (and my P...
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Author: William Oberman,
2012-09-11, 18:09
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Re: best practice for Pig + MySql for meta data lookups - Pig - [mail # user]
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...Great news (for me)! :-) My relational data is small (both relative to the big data, but also absolutely). I'm reading about Sqoop now, and it seems relatively straight forward. ...
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Author: William Oberman,
2012-09-11, 15:54
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best practice for Pig + MySql for meta data lookups - Pig - [mail # user]
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...Hello, My setup is Pig + Hadoop + Cassandra for my "big data" and MySql for my "relational/meta data". Up until now that has been fine, but now I need to start creating metrics t...
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Author: William Oberman,
2012-09-11, 15:17
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Re: tar.gz to cdh3 package - Pig - [mail # user]
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...I definitely missed that piece of documentation, thanks! So for all people who work like me and google error codes as they happen (vs. reading the manual like they should), I'll once a...
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Author: William Oberman,
2011-07-12, 18:12
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Re: tar.gz to cdh3 package - Pig - [mail # user]
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...Sorry, to be more verbose, CDH3 actually respects permissions inside of HDFS, and creates special users called "hdfs" and "mapred" to keep things safe. I'm guessing by default when I d...
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Author: William Oberman,
2011-07-08, 19:04
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Re: tar.gz to cdh3 package - Pig - [mail # user]
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...I thought pig is the one trying to write to /tmp inside of hadoop? will On Fri, Jul 8, 2011 at 3:00 PM, Dmitriy Ryaboy wrote: ...
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Author: William Oberman,
2011-07-08, 19:01
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tar.gz to cdh3 package - Pig - [mail # user]
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...I tried out hadoop/pig in my test environment using tar.gz's. Before I roll out to production, I thought I'd try the cdh3 pacakges, as that might be easier to maintain (since I'm not a...
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Author: William Oberman,
2011-07-08, 18:57
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Re: prep for cassandra storage from pig - Pig - [mail # user]
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...I'll do a reply all, to keep this more consistent (sorry!). Rather than staying stuck, I wrote a custom function: TupleToBagOfTuple. I'm curious if I could have avoided it with proper ...
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Author: William Oberman,
2011-06-15, 19:10
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