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Re: Regarding Eval UDF in pig 0.9.1 - Pig - [mail # user]
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...Pig does not use multiple threads for executing the udf (at least in versions so far, and i haven't seen any proposals to change that). So you don't need to deal with synchronization i...
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Author: Thejas Nair,
2011-12-20, 23:56
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Re: UDF to check if String is Numeric or Integer - Pig - [mail # user]
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...Prashant, I can't find such an udf in piggybank. Yes, I think this is going to be useful for many users. I would be great if you can contribute such udfs to piggybank. Thanks, Thejas &...
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Author: Thejas Nair,
2011-12-20, 21:53
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Re: Implement Binary Search in PIG - Pig - [mail # user]
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...My assumption is that 唐亮 is trying to do binary search on bags within the tuples in a relation (ie schema of the relation has a bag column). I don't think he is trying to treat t...
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Author: Thejas Nair,
2011-12-13, 23:32
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Re: Implement Binary Search in PIG - Pig - [mail # user]
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...Bags can be very large might not fit into memory, and in such cases some or all of the bag might have to be stored on disk. In such cases, it is not efficient to do random access...
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Author: Thejas Nair,
2011-12-13, 18:56
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Re: Aggregate Warning does not work as expected on Embedding Pig in Java 0.9.1 - Pig - [mail # user]
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...Hi Prashant, I think it does make sense to enable warning aggregation even used through PigServer. Can you please open a jira ? (and a patch if possible !) Thanks, Thejas ...
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Author: Thejas Nair,
2011-12-12, 20:34
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Re: Trying to submit Pig job to Amazon EMR - Pig - [mail # user]
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...Can you send the entire stack trace from pig logs ? -Thejas On 12/5/11 11:08 AM, Ayon Sinha wrote:...
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Author: Thejas Nair,
2011-12-05, 20:17
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Re: Can limit operator use variable? - Pig - [mail # user]
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...Is this what you want ? (using TOP and COUNT). raw_data = load ... as (id:chararray, weight:float); group_id = group raw_data by id; filter_spec_id = filter group_id by group == ...
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Author: Thejas Nair,
2011-12-03, 03:06
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Re: FOR - EACH? - Pig - [mail # user]
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...I haven't understood what you are trying to do. Can you explain with an example of input and output ? -Thejas On 12/2/11 4:37 AM, Marek Miglinski wrote:...
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Author: Thejas Nair,
2011-12-02, 18:48
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Re: Pig FLATTEN statement - Pig - [mail # user]
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...I think the parse udf returns a schema with 5 columns, but all tuples returned by the udf don't have the 5 columns. Can you check if the udf always returns tuple with 5 columns ? ...
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Author: Thejas Nair,
2011-12-02, 00:12
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Re: AccessControlException in estimateNumberOfReducers - Pig - [mail # user]
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...You should be able to workaround this issue by explicitly setting the number of reducer (parallel keyword in the statements or define default_parallel). This is an unusual use ca...
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Author: Thejas Nair,
2011-11-23, 01:33
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