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Breaking down big unit tests - Pig - [mail # dev]
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...Hi all, Apparently some unit test classes are so fat that retesting them is a pain. While reducing the full testing time is a long-term goal, shall we just break down those big units i...
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Author: Jie Li,
2012-07-19, 21:11
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Hash aggregation experience - Pig - [mail # dev]
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...Hi all, Has anyone tried the hash aggregation feature in pig 0.10 and seen any performance improvement? Recently I'm benchmarking HashAgg and the combiner to see whether we should use ...
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Author: Jie Li,
2012-07-12, 02:43
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Re: Are there any explanations of the implementation of illustrate? - Pig - [mail # dev]
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...Some document here: http://wiki.apache.org/pig/PigIllustrate I agree that more tests are needed for illustrate, otherwise it can be easily broken without notice. Jie On Tue...
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Author: Jie Li,
2012-07-03, 20:50
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[PIG-2784] Framework for dynamic query optimization - Pig - [issue]
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...We need a framework to implement dynamic query optimization, i.e. changing the query plan at runtime. Currently we support estimating the number of reducers dynamically, which works well as ...
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http://issues.apache.org/jira/browse/PIG-2784
Author: Jie Li,
2012-07-03, 00:42
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Re: suggestion - Pig - [mail # user]
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...Pig does have a "-c" to check the syntax: pig -x local -c -f x.pig Jie On Fri, Jun 29, 2012 at 5:02 AM, Ruslan Al-Fakikh wrote:...
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Author: Jie Li,
2012-06-29, 17:11
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Re: Some proposals for Pig performance optimization - Pig - [mail # dev]
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...Thanks Thejas for the comments! See my answers inline. l ng in Yes the environment set up uses only 1GB data, so there is only 1 reducer for the order-by. I've also u...
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Author: Jie Li,
2012-06-21, 21:22
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Some proposals for Pig performance optimization - Pig - [mail # dev]
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...Hello everyone, I compiled a list of possible optimizaiton for Pig's performance. https://cwiki.apache.org/confluence/display/PIG/Pig+Performance+Optimization As I haven't ...
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Author: Jie Li,
2012-06-21, 18:14
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Re: Shall we get the machinations machinating for PIG 0.11? - Pig - [mail # dev]
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...I'm working on a list of possible performance optimization and hope some of them will go into 0.11. Will post it shortly. Jie On Wed, Jun 20, 2012 at 11:45 AM, Daniel Dai &...
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Author: Jie Li,
2012-06-20, 18:59
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Re: Shall we get the machinations machinating for PIG 0.11? - Pig - [mail # dev]
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...Oops, can't see this filter. Jie On Wed, Jun 20, 2012 at 11:14 AM, Daniel Dai wrote:...
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Author: Jie Li,
2012-06-20, 18:19
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Re: [jira] [Updated] (PIG-2397) Running TPC-H on Pig - Pig - [mail # dev]
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...Hi all, We update the slides and the scripts we used. Any comment is appreciated. We will post our report later. Jie On Sat, Dec 10, 2011 at 1:05 AM, Jie Li (Updated) (JIRA...
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Author: Jie Li,
2011-12-10, 06:11
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