Grokbase Groups Pig user April 2009

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33 discussions - 133 posts

  • Hi, I'm experiencing problems with pig script that produce wrong results. The basic task I need to do is join two files, then multiply fields from the two and summarize the results by domain. I've ...
    Tamir KamaraTamir Kamara
    Apr 24, 2009 at 6:01 am
    May 13, 2009 at 6:10 pm
  • Hi everyone, We're working on an image analysis project using Pig. I wrote my UDF: myImageFilter. However, can someone please point me to info about UDF: myImageStorageFunc. My images will be in a ...
    Sameer TilakSameer Tilak
    Apr 21, 2009 at 5:53 pm
    Apr 27, 2009 at 4:23 pm
  • Out of curiosity, what is the history with why Pig is called "Pig" ? Suhail -- Blog:
    Suhail DoshiSuhail Doshi
    Apr 3, 2009 at 11:32 pm
    Apr 6, 2009 at 2:59 pm
  • Hi, I am trying to create an UDF that returns tuple of schema (id: int, words: { (word) } ) . This is a bit similar to the TOKENIZE built-in udf, which returns { (word) }, but with an additional id ...
    Zehua LiuZehua Liu
    Apr 3, 2009 at 9:34 am
    Apr 4, 2009 at 12:43 am
  • I use the group operator in the foreach nested block, it seems like pig do not support this. The first group is conflicted with the second group, is there any way can resolve this issue? Does pig ...
    Zhang jianfengZhang jianfeng
    Apr 2, 2009 at 5:18 am
    Apr 2, 2009 at 3:38 pm
  • Hi all, I'm having issues trying to run pig on a stand alone hadoop cluster. The cluster is running 19.1, but I have applied the following patch: When I ...
    Lance RiedelLance Riedel
    Apr 29, 2009 at 9:07 pm
    May 6, 2009 at 12:19 am
  • Hello, I'm trying something that I would imagine would work, but instead I get an error. Is this a bug or simply my misunderstanding? I'm starting with this: ((A,2009-01-01),{},{(A,3L)}) ...
    Seth LaddSeth Ladd
    Apr 13, 2009 at 3:36 am
    Apr 23, 2009 at 9:00 pm
  • First, as an aside, this email really should be on pig-user rather than pig-dev, as it's a usage question, not a development question. So I've pushed it onto that list and replied to you directly in ...
    Alan GatesAlan Gates
    Apr 8, 2009 at 3:51 pm
    Apr 8, 2009 at 11:12 pm
  • Hi, I am new to PIG and trying to run PIG tutorial on top of HADOOP 0.19/0.17. Though it works fine with HADOOP 0.18, I am having issues running on top of HADOOP 0.17/0.19. I am getting the following ...
    Apr 24, 2009 at 11:23 am
    Apr 27, 2009 at 4:49 am
  • How does Hadoop distributed file cache work with Pig? I have some data files and jars that are used by some UDFs I've written. They work if I am executing Pig scripts on a local file system but fail ...
    Bill HabermaasBill Habermaas
    Apr 13, 2009 at 5:06 pm
    Apr 15, 2009 at 2:53 pm
  • Hello, I was wondering if anyone as test Pig on Amazon Elastic Map-Reduce. Could anyone can give us a feed back of compatibility etc ... Witch version of Pig is working on Amazon Elastic Map-Reduce ? ...
    Mathias FrydeMathias Fryde
    Apr 3, 2009 at 7:39 am
    Apr 3, 2009 at 6:52 pm
  • Hi, I'm trying to find information on this, and sorry if I'm missing an obvious one here, but my searches are coming up with nothing (except on mention of a patch in an earlier thread, but no ...
    Lance RiedelLance Riedel
    Apr 29, 2009 at 7:21 pm
    Apr 30, 2009 at 5:00 pm
  • Hi all, I'd like to know more about the PigScriptParser, so is there any document I can refer to ? Thank you. Jeff Zhang.
    Zhang jianfengZhang jianfeng
    Apr 28, 2009 at 7:46 am
    Apr 30, 2009 at 3:45 pm
  • A few months ago, I was benchmarking some pig stuff and it seems like the entire process took five or ten minutes and the cpu time was fewer than ten seconds. It hit me that wow, disk io is really ...
    Earl CahillEarl Cahill
    Apr 26, 2009 at 6:15 am
    Apr 26, 2009 at 8:13 am
  • I am getting the following error at Reduce stage in one of my PIG scripts. Any suggestions of diagnosing/fixing this further? Java.lang.OutOfMemoryError: Java heap space at ...
    Vadim ZalivaVadim Zaliva
    Apr 14, 2009 at 4:12 am
    Apr 15, 2009 at 12:54 am
  • A am getting the following cryptic error: ERROR 2086: Unexpected problem during optimization. Could not find all LocalRearrange operators. org.apache.pig.impl.logicalLayer.FrontendException: ERROR ...
    Vadim ZalivaVadim Zaliva
    Apr 8, 2009 at 3:00 am
    Apr 9, 2009 at 12:55 am
  • Hi, I'm tried to use LIMIT right after ORDER to get the top x lines in the file: a = LOAD 'file' AS (domain: chararray, score: double); b = ORDER a BY score DESC; c = LIMIT b 2500; STORE c into ...
    Tamir KamaraTamir Kamara
    Apr 1, 2009 at 8:14 am
    Apr 1, 2009 at 3:46 pm
  • PIG-546 indicates that it is now possible to pass arguments into a custom UDF filter function via a parameterized constructor. I'm using a TRUNK build from April 1 (svn rev. 761067) which appears to ...
    Sean TimmSean Timm
    Apr 20, 2009 at 9:34 pm
    Apr 27, 2009 at 9:02 pm
  • Since there's outer cogroup, so why there's no outer join ? And I think outer join is a must-have. Thank you Jeff Zhang
    Apr 27, 2009 at 3:32 pm
    Apr 27, 2009 at 4:05 pm
  • My Scripts: B = FOREACH A GENERATE f1,f2,f3; C = GROUP B BY f1; D = FOREACH C GENERATE group, myudf(C.f2,C.f3); My question is: Are C.f2 and C.f3 in the same order? I mean I want iterate C.f2 and ...
    Zhang jianfengZhang jianfeng
    Apr 16, 2009 at 3:41 am
    Apr 16, 2009 at 8:10 am
  • The Pig team is happy to announce Pig 0.2.0 has been released. This release includes the addition of a types, better error detection and handling, and 5x performance improvement over 0.1.1. The ...
    Alan GatesAlan Gates
    Apr 9, 2009 at 5:42 pm
    Apr 9, 2009 at 7:15 pm
  • Hi, I am just starting to use Pig and having problems with my mappers failing with: 2009-04-09 11:55:40,415 [main] ERROR org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher - Error ...
    Habermaas, WilliamHabermaas, William
    Apr 9, 2009 at 5:47 pm
    Apr 9, 2009 at 6:57 pm
  • Hello all, I keep getting this error when I try to use the explain in the multiquery branch; like : grunt explain script.pig. I debugged the code and found that the alias sent to the ...
    Iman ElghandourIman Elghandour
    Apr 8, 2009 at 9:49 pm
    Apr 9, 2009 at 1:24 am
  • Hi all, Here's a video of pig tutorial presented by Alan Gates (Architect of Pig), Very nice tutorial. Best Regards, Jeff Zhang
    Apr 27, 2009 at 3:35 pm
    Apr 27, 2009 at 3:37 pm
  • Pig users, Cloudera and Yahoo have collaborated to produce two online training sessions for pig. There's a lecture component, "Introduction to Pig", ...
    Alan GatesAlan Gates
    Apr 24, 2009 at 5:15 pm
    Apr 24, 2009 at 5:38 pm
  • Hi, Is there any contract regarding the ordering of tuples inside a group after a Group By operation? Meaning, are both of these outcomes possible: (foo, {(foo, bar, baz), (foo, fie, foe)} and (ffoo, ...
    Dmitriy RyaboyDmitriy Ryaboy
    Apr 11, 2009 at 3:32 am
    Apr 11, 2009 at 5:02 am
  • Hi all, Since Pig-Latin is script language, will it support the for loop in the future? Because these days, I am generating a bunch of report based on the same scripts, just a little different in the ...
    Apr 9, 2009 at 2:48 pm
    Apr 9, 2009 at 3:53 pm
  • Hi, I'd like to simply count lines of text using pig. Does anyone have advice for me? Thanks. -- Best Regards, Edward J. Yoon
    Edward J. YoonEdward J. Yoon
    Apr 3, 2009 at 6:15 am
    Apr 3, 2009 at 6:22 am
  • Hi, I am new to Hadoop and Pig. I am currently seting up a POC to analyse log files. Hadoop and Pig are runing - has anybody done this before and could provide a script to start with? Thanks in ...
    Bauer, JosephBauer, Joseph
    Apr 2, 2009 at 5:24 pm
    Apr 2, 2009 at 10:08 pm
  • /////////////////////////////////////// Sorry for cross posting. ////////////////////////////////////// Hi,all Hadoop in China Salon is a free discussion forum on Hadoop related technologies and ...
    He YongqiangHe Yongqiang
    Apr 24, 2009 at 12:17 am
    Apr 24, 2009 at 12:17 am
  • Hi all, I am not able to subscribe to pig mailing list (both dev and user). Here is the error message that I am getting when I tried to confirm the subscribtion. -------------start of ...
    Palleti, PallaviPalleti, Pallavi
    Apr 20, 2009 at 2:55 pm
    Apr 20, 2009 at 2:55 pm
  • Dear Users, Thanks to everybody who shared the work that they are doing with Pig and provided valuable feedback! I would like to ask all Pig users to add themselves to Hadoop's Powered By page: ...
    Olga NatkovichOlga Natkovich
    Apr 14, 2009 at 9:27 pm
    Apr 14, 2009 at 9:27 pm
  • HAMAKE is make-like utility for Hadoop. More information at the project page: Documentation is still quite poor, but core functionality is working and I plan on ...
    Vadim ZalivaVadim Zaliva
    Apr 13, 2009 at 11:14 pm
    Apr 13, 2009 at 11:14 pm
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39 users for April 2009

Alan Gates: 19 posts Zjffdu: 15 posts Vadim Zaliva: 8 posts Olga Natkovich: 7 posts Mridul Muralidharan: 6 posts Santhosh Srinivasan: 6 posts Tamir Kamara: 6 posts Chris Olston: 4 posts Dmitriy Ryaboy: 4 posts Kevin Weil: 4 posts Lance Riedel: 4 posts Seth Ladd: 4 posts Zehua Liu: 4 posts Bill Habermaas: 3 posts Nellai: 3 posts Roger Unwin: 3 posts Sameer Tilak: 3 posts Yiping Han: 3 posts Earl Cahill: 2 posts Iman Elghandour: 2 posts
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