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23 discussions - 80 posts

  • Hi: I would like to load multiple files in my pig latin program, such as A = LOAD '<regular expression ' ... What types of regular expressions does pig latin support to match file names? Thanks. -- tp
    Charles duCharles du
    Nov 5, 2008 at 1:54 am
    Dec 17, 2008 at 8:21 pm
  • Hi All, I am currently looking at Pig to write some sort of basic Crawler. I created a user-defined function that basically fetches the content of a given url. The page content is store as byte[]. ...
    Stephane BastianStephane Bastian
    Nov 25, 2008 at 4:53 pm
    Dec 3, 2008 at 2:18 am
  • There seems to be some schema corruption when flattening stored bags in the types branch. If you generate a bag using a GROUP statement, everything is normal. However, when you *load* a bag using a ...
    Kevin WeilKevin Weil
    Nov 8, 2008 at 1:19 am
    Nov 11, 2008 at 10:35 pm
  • Is it possible to run pig on Hadoop 0.20? Thanks!
    Raphael HoffmannRaphael Hoffmann
    Nov 6, 2008 at 12:04 am
    Nov 7, 2008 at 3:47 pm
  • Hi Everyone, I'm learning pigLatin and I have a question about PigPen. How I can start it?. I'm using pig 2.0 Thanks Xavier
    Xavier QuintunaXavier Quintuna
    Nov 5, 2008 at 7:28 pm
    Nov 12, 2008 at 9:52 am
  • Is it possible to use information in some tuple in the formation of output files names? Doesn't seem like you can do anything but them "statically" which isn't very useful if your task involves ...
    Josh FergusonJosh Ferguson
    Nov 19, 2008 at 10:43 am
    Nov 20, 2008 at 12:53 am
  • Hi, How do I hint pig so it sorts using natural order instead of lexical order? (using pig 2.0) Thanks.
    Jeremy HuylebroeckJeremy Huylebroeck
    Nov 13, 2008 at 1:04 am
    Nov 13, 2008 at 1:37 am
  • As I think i mentioned in a previous email I'm trying to build a DBStore, that writes the output to a database instead of the filesystem. The only problem is I want to be able to specify a parameter ...
    Ian HolsmanIan Holsman
    Nov 10, 2008 at 8:11 am
    Nov 10, 2008 at 9:06 pm
  • In the types branch, should nested statements be able to be parallelized? I can do B = DISTINCT A PARALLEL 20; for example, but if I have a nested statement: B = GROUP A BY whatever; C = FOREACH B { ...
    Kevin WeilKevin Weil
    Nov 20, 2008 at 1:00 am
    Dec 3, 2008 at 2:19 am
  • hi. So I've been busily writing my pig scripts and have got some basic ones going. what i've found is that for one of them, (which is just a LOAD/Filter/STORE) it seems to create a lot of small ...
    Ian HolsmanIan Holsman
    Nov 17, 2008 at 11:46 pm
    Nov 21, 2008 at 7:55 pm
  • Hi, is there any Pig Lucene integration, in terms of loading a Index and accessing the Documents contained? with kind regards, David Linsin - - - - - - - - - - - - - - - - - - - - - - - - email: ...
    David LinsinDavid Linsin
    Nov 15, 2008 at 2:33 pm
    Nov 17, 2008 at 3:22 pm
  • Hi. I'm trying to write a custom StorFunc to push data into a database. I've come into 2 issues with the interface. Firstly 'bindTo'. It assumes that I will be writing to a file. This presents an ...
    Ian HolsmanIan Holsman
    Nov 10, 2008 at 3:05 am
    Nov 11, 2008 at 12:09 pm
  • Charles WangCharles Wang
    Nov 24, 2008 at 10:38 pm
    Nov 26, 2008 at 7:29 pm
  • Hi all: In hadoop java API, I can set up my job priority. Is there a way to do it in Pig Latin? Thanks. -- tp
    Charles duCharles du
    Nov 25, 2008 at 8:35 am
    Nov 25, 2008 at 2:56 pm
  • I'm interested in using Hadoop 0.18 and Pig. Are there plans to release of version Pig against Hadoop 0.18 like the Pig 0.1.0 release? I was just going to use the trunk, but it is hard to tell how ...
    Robert GoodmanRobert Goodman
    Nov 24, 2008 at 3:38 pm
    Nov 24, 2008 at 6:54 pm
  • Hi. for the 'DbStorage()' storage function I would like to be able to execute a SQL statement before the job starts inserting rows into the database (a delete). I was wondering if the bindTo() ...
    Ian HolsmanIan Holsman
    Nov 18, 2008 at 2:27 am
    Nov 19, 2008 at 4:40 am
  • Hi All, I have a file "index" in hdfs with data in form of ( word, filename, count). grunt A = load 'index' using PigStorage(' ') as (word,file,count); grunt b = filter A by word eq 'word1'; grunt c ...
    LathaLatha
    Nov 18, 2008 at 3:31 am
    Nov 19, 2008 at 1:27 am
  • Hi, I'm testing with a 4 node setup of Hadoop hdfs. Hadoop version 0.17.2.1. Pig version is the latest one available for download 0.1. Each hadoop node has configuration of 2GB memory and dual core ...
    SouravmSouravm
    Nov 14, 2008 at 1:27 am
    Nov 19, 2008 at 1:05 am
  • The JIRA https://issues.apache.org/jira/browse/PIG-514 has brought up an interesting issue of how we handle empty bags in foreach statements. The current pig semantic for foreach is that it always ...
    Alan GatesAlan Gates
    Nov 10, 2008 at 9:31 pm
    Nov 10, 2008 at 9:53 pm
  • Hi Pig users; How can I order records in descending order? The default behavior of "ORDER BY" is by ascending order. Thanks. -- tp
    Charles duCharles du
    Nov 4, 2008 at 1:28 am
    Nov 4, 2008 at 1:35 am
  • Greetings. We created new pig function which calculates difference between two dates. It has constructor parameters(date format strings) so we have to define some alias first. Our dates given in ISO ...
    Andre SavienAndre Savien
    Nov 19, 2008 at 5:20 pm
    Nov 19, 2008 at 5:20 pm
  • Hi, This is Grace. I am trying to running Pig tutorial on Hadoop. But it seems to have some problems with it: When running script1-hadoop.pig, it works slowly and only one map task is available. And ...
    Jie HuangJie Huang
    Nov 17, 2008 at 4:29 pm
    Nov 17, 2008 at 4:29 pm
  • I just learnt about cascading and groovy - http://www.cascading.org/ It shares many features and abstractions with PIG. I'm still learning/evaluating cascading and would appreciate if any of you can ...
    Prashanth PappuPrashanth Pappu
    Nov 3, 2008 at 8:12 pm
    Nov 3, 2008 at 8:12 pm
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26 users for November 2008

Ian Holsman: 12 posts Alan Gates: 10 posts Olga Natkovich: 7 posts Charles du: 6 posts Kevin Weil: 6 posts Stephane Bastian: 5 posts Mridul Muralidharan: 4 posts Santhosh Srinivasan: 4 posts Jeremy Huylebroeck: 3 posts Josh Ferguson: 3 posts Xavier Quintuna: 2 posts Ajay Anand: 2 posts Shubham Chopra: 2 posts Ted Dunning: 2 posts Andre Savien: 1 post Charles Wang: 1 post Chris Olston: 1 post David Linsin: 1 post Guo Leitao: 1 post Ian Theocharis Athanasakis: 1 post
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