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Re: HIVE left semi join multiple tables with columns from multiple table - Hive - [mail # user]
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...Thanks Mark for writing back to me. I did the same thing and still not getting the desired result. I was looking for the cause. I managed to get the desired result. Sharing my thought proces...
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Author: Souvik Banerjee,
2012-12-29, 22:19
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Re: HIVE left semi join multiple tables with columns from multiple table - Hive - [mail # user]
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...Thanks a lot Mark for your attention. But I think I cannot go for INNER join, the reason behind the fact being that I want all rows of Table3 irrespective of there is any row corresponding t...
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Author: Souvik Banerjee,
2012-12-28, 05:26
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HIVE left semi join multiple tables with columns from multiple table - Hive - [mail # user]
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...Hi, I am struggling with a problem described below. Any help how to resolve this problem is highly appreciated. I have got few tables the structure is over simplified for the sak...
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Author: Souvik Banerjee,
2012-12-27, 23:16
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Re: Map side join - Hive - [mail # user]
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...Hi, To conclude this thread I am summarizing my experiences. Correct me if think // observed otherwise. 1) For Map side join you need to set the flag hive.auto.convert.join=true;...
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Author: Souvik Banerjee,
2012-12-27, 23:05
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Re: Map side join - Hive - [mail # user]
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...Thanks for the help. What I did earlier is that I changed the configuration in HDFS and created the table. I expected that the block size of the new Table to be of 32 MB. But I found that wh...
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Author: Souvik Banerjee,
2012-12-13, 18:36
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Re: Map side join - Hive - [mail # user]
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...Hi Bejoy, The input files are non-compressed text file. There are enough free slots in the cluster. Can you please let me know can I increase the no of mappers? I tried reducing ...
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Author: Souvik Banerjee,
2012-12-13, 18:00
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Re: Map side join - Hive - [mail # user]
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...Hi Bejoy, Yes I ran the pi example. It was fine. Regarding the HIVE Job what I found is that it took 4 hrs for the first map job to get completed. Those map tasks were doing their job ...
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Author: Souvik Banerjee,
2012-12-12, 20:27
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Re: Map side join - Hive - [mail # user]
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...Hello Everybody, Need help in for on HIVE join. As we were talking about the Map side join I tried that. I set the flag set hive.auto.convert.join=true; I saw Hive converts the s...
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Author: Souvik Banerjee,
2012-12-11, 23:12
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Re: Map side join - Hive - [mail # user]
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...Hi Bejoy, That's wonderful. Thanks for your reply. What I was wondering if HIVE can do map side join with more than one condition on JOIN clause. I'll simply try it out and post the re...
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Author: Souvik Banerjee,
2012-12-07, 20:32
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Map side join - Hive - [mail # user]
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...Hello everybody, I have got a question. I didn't came across any post which says somethign about this. I have got two tables. Lets say A and B. I want to join A & B in HIVE. I am curre...
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Author: Souvik Banerjee,
2012-12-07, 19:58
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