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[PIG-2949] JsonLoader only reads arrays of objects - Pig - [issue]
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...I'm trying to load a vendor file that's json ecoded into pig. One of the fields is an array of strings. The builtin JsonLoader only reads arrays composed of json objects{"object_array}:[{"el...
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http://issues.apache.org/jira/browse/PIG-2949
Author: David LaBarbera,
2013-05-20, 01:04
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Re: How can I pass command-line parameters with whitespace to an apache pig script? - Pig - [mail # user]
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...My first though is to try flt='\'a1==1 AND a2=2\'' but mostly want to recommend running pig with the dry run (-r or -dryrun) flag so you can see how the substitution is bei...
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Author: David LaBarbera,
2013-04-24, 14:42
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Re: pig script - failed reading input from s3 - Pig - [mail # user]
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...Try fs.s3n.aws… and also load from s3 data = load 's3n://...' The "n" stands for native. I believe S3 also supports block device storage (s3://) which allows bigger ...
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Author: David LaBarbera,
2013-04-08, 13:27
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Re: Loader for small files - Pig - [mail # user]
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...What process creates the data in HDFS? You should be able to set the block size there and avoid the copy. I would test the dfs.block.size on the copy and see if you get the mapper spli...
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Author: David LaBarbera,
2013-02-11, 20:38
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Re: Loader for small files - Pig - [mail # user]
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...You could store your data in smaller block sizes. Do something like hadoop fs HADOOP_OPTS="-Ddfs.block.size=1048576 -Dfs.local.block.size=1048576" -cp /org-input /small-block-input You might...
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Author: David LaBarbera,
2013-02-11, 18:29
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Re: Pig prints help options in start - Pig - [mail # user]
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...Before the help information, do you see any message like JAVA_HOME not set … David On Feb 4, 2013, at 12:11 PM, Ionut Ignatescu wrote: ...
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Author: David LaBarbera,
2013-02-11, 13:49
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Re: How to read Mahout generated sequence files in Pig - Pig - [mail # user]
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...The elephant bird sequence file loader should work, you'll just need to register the mahout jar with the vector writable they use. David On Feb 4, 2013, at 7:06 PM, Harsha ...
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Author: David LaBarbera,
2013-02-06, 20:37
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Re: How do I load JSON in Pig? - Pig - [mail # user]
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...Try com.twitter.elephantbird.pig.load.JsonLoader('-nestedLoad') This should allow access to nested object as nested map ($0#'level1#'level2'#'level3' …) David On Nov 21, 20...
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Author: David LaBarbera,
2012-11-21, 14:25
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Re: force schema with TOBAG - Pig - [mail # user]
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...Cheolsoo That works. Thanks so much for the help. And congratulations on your new committer status! David On Oct 31, 2012, at 12:23 PM, Cheolsoo Park wrote: ...
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Author: David LaBarbera,
2012-10-31, 16:54
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Re: force schema with TOBAG - Pig - [mail # user]
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...Cheolsoo Thank you for the response. This works in 0.10, but not on 0.9.2-amzn. I get an error message that there's an unexpected symbol at or near $ID_NULL (ID_NULL is bei...
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Author: David LaBarbera,
2012-10-31, 11:53
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