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Re: ERROR org.apache.pig.tools.grunt.Grunt - Pig - [mail # user]
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...You need to either specify the full package path to the HCatLoader or include the path in your udf.import.list property. Or, you don't have the HCatLoader class in your classpath. On T...
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Author: Bill Graham,
2012-09-13, 16:48
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Re: best practice for Pig + MySql for meta data lookups - Pig - [mail # user]
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...Instead of UDFs and Maps, try to work with LoadFuncs and Tuples if you can. For example you could read from Cassandra with using CassangraStorage[1] and produce a Tuple of objects. If your d...
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Author: Bill Graham,
2012-09-11, 16:58
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Re: [jira] Subscription: PIG patch available - Pig - [mail # dev]
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...This is our daily patch available alert, which is now set up. Spot checking the list of patch available JIRAs, many have been in this state for a while. I see some where the developer ...
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Author: Bill Graham,
2012-09-11, 16:46
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Re: best practice for Pig + MySql for meta data lookups - Pig - [mail # user]
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...That approach makes sense. We have similar situations where we pull relation data into HDFS and then join/agg with it via MR. In other cases we'll export aggregated HDFS data into a relation...
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Author: Bill Graham,
2012-09-11, 15:33
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Re: REPLACE with backslash - Pig - [mail # user]
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...To get \ in a regex you need to escape it to \\, since the slash is reserved in the regex. Then each slash needs to be escaped again to be used in a java string. Hence \\\\. Painful, yes. &n...
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Author: Bill Graham,
2012-09-07, 21:14
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Re: Machine Learning + Pig? - Pig - [mail # user]
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...Here's a paper about Machine Learning at Twitter using Pig: http://www.umiacs.umd.edu/~jimmylin/publications/Lin_Kolcz_SIGMOD2012.pdf On Wed, Sep 5, 2012 at 3:08 PM, Siddharth Ti...
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Author: Bill Graham,
2012-09-06, 05:40
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Re: Berkeley lecture on Pig - Pig - [mail # user]
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...This is great, Jon. You should link to these from the Pig wiki: https://cwiki.apache.org/confluence/display/PIG/PigTalksPapers On Wed, Sep 5, 2012 at 8:27 AM, Anurag Gulati wrot...
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Author: Bill Graham,
2012-09-05, 15:55
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[PIG-2905] Improve documentation around REPLACE - Pig - [issue]
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...Document how REPLACE uses a Java regex and link out to JDK docs describing reserved characters and escaping. From recent confusion on the users list:> String source = "[02/Aug/2012:05:01:...
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http://issues.apache.org/jira/browse/PIG-2905
Author: Bill Graham,
2012-09-05, 05:56
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[PIG-2906] Commands in Pig scripts shouldn't trigger executeBatch() - Pig - [issue]
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...There are a number of commands that can be used in Pig scripts that will trigger an executeBatch() from GruntParser during parsing. This can cause multiple runs of identical (non-shared) job...
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http://issues.apache.org/jira/browse/PIG-2906
Author: Bill Graham,
2012-09-04, 19:44
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Re: Current "patch available' and open issues - Pig - [mail # dev]
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...Ditto. I think this report should definitely help. Filed the ticket: https://issues.apache.org/jira/browse/INFRA-5222 On Tue, Sep 4, 2012 at 11:42 AM, Dmitriy Ryaboy ...
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Author: Bill Graham,
2012-09-04, 18:52
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