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Failing unit tests in trunk - Pig - [mail # dev]
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...Hello, There was a discussion about failing unit tests in trunk at today's meet-up. I just wanted to let you know that we have jiras for all failing test cases in trunk: TestPigR...
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Author: Cheolsoo Park,
2013-02-08, 02:47
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[PIG-3171] TestGrunt fails in trunk - Pig - [issue]
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...The following 4 test cases are broken by PIG-2994:Testcase: testExplainDot took 0.09 sec Caused an ERRORUnable to explain alias aTestcase: testExplainOut took...
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http://issues.apache.org/jira/browse/PIG-3171
Author: Cheolsoo Park,
2013-02-07, 20:47
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Re: Some optimization advices - Pig - [mail # user]
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...Hi Jerome, It's not Pig but Hadoop that splits input files. Pig Load/Store UDFs are associated with InputFormat, OutputFormat and RecordReader classes. Hadoop uses them to decide how t...
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Author: Cheolsoo Park,
2013-02-06, 16:41
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Re: index of the lines in file - Pig - [mail # user]
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...You can use RANK to append the line number to each record: A = LOAD 'input.txt' AS (id); B = RANK A; C = FILTER B BY id == 'item17'; D = FOREACH C GENERATE rank_A; DUMP D; This w...
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Author: Cheolsoo Park,
2013-02-06, 01:13
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Re: PigUnit test for script with non-default PigStorage delimiter - Pig - [mail # user]
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...Hi Siddhi, You're right. Looking at PigUnit source code, "assertOutput(String aliasInput, String[] input, String alias, String[] expected)" assumes the default delimiter. TestPig...
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Author: Cheolsoo Park,
2013-02-05, 23:13
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Re: Some optimization advices - Pig - [mail # user]
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...my cluster has 4 slaves. How could it be different ? Are you asking why only a single mapper runs even though there are 3 more slaves available? 4 slaves doesn't mean that you will alw...
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Author: Cheolsoo Park,
2013-02-05, 22:13
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Re: Some optimization advices - Pig - [mail # user]
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...Hi Jerome, Try this: XmlTag = FOREACH xmlToTuple GENERATE FLATTEN ($0); XmlTag2 = FOREACH XmlTag { tag_with_amenity = FILTER tag BY (tag_attr_k == 'amenity'); ...
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Author: Cheolsoo Park,
2013-01-31, 19:45
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Re: pig native map-reduce and avro input format - Pig - [mail # user]
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...Hi Jonas, I had to do a similar job before. What I did was store a relation as Avro files and bulkload them into HBase. You can see my example here: https://github.com/piaozhexiu/hbase...
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Author: Cheolsoo Park,
2013-01-31, 18:40
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[PIG-3149] e2e build.xml still refers to jython 2.5.0 jar even though it's replaced by jython standalone 2.5.2 jar - Pig - [issue]
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...PIG-2665 replaced jython-2.5.0.jar with jython-standalone-2.5.2.jar. But e2e build.xml still refers to the former....
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http://issues.apache.org/jira/browse/PIG-3149
Author: Cheolsoo Park,
2013-01-31, 16:59
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Re: returning a field base on a function of another field - Pig - [mail # user]
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...Hi Matthew, Try this: letters = load '$input_path' as (letter:chararray, ascii, value:int); letter_group = group letters by letter...
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Author: Cheolsoo Park,
2013-01-30, 21:07
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