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Re: Configure Hive in Cluster - Hive - [mail # user]
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...looks like a very small cluster with very limited memory to run mapreduce jobs also number of map/reduce slots on nodes are less so at a time only one map is running. but still 15 min ...
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Author: Nitin Pawar,
2013-01-17, 07:26
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Re: Configure Hive in Cluster - Hive - [mail # user]
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...how many number of nodes you have for select query? whats your select query? if its just a select * from table then it does not run any mapreduce job so its just taking time to show da...
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Author: Nitin Pawar,
2013-01-17, 06:59
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Re: Configure Hive in Cluster - Hive - [mail # user]
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...a bit more details on size of table and select query will help also did you set any hive parameters ? On Thu, Jan 17, 2013 at 12:12 PM, venkatramanan wrote: Nitin ...
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Author: Nitin Pawar,
2013-01-17, 06:41
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Re: Stack function in Hive : how to specify multiple aliases? - Hive - [mail # user]
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...I dont think you can do this directly in a query. (I can be wrong) I just asked took suggestion from a hive guru and he suggested to try lateral view https://cwiki.apache.org/Hiv...
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Author: Nitin Pawar,
2013-01-10, 10:14
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Re: Stack function in Hive : how to specify multiple aliases? - Hive - [mail # user]
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...I never ran into this kind of problem but can you try select as A,B,C On Thu, Jan 10, 2013 at 12:58 AM, Mathieu Despriee wrote: Nitin Pawar...
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Author: Nitin Pawar,
2013-01-10, 09:08
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Re: Stack function in Hive : how to specify multiple aliases? - Hive - [mail # user]
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...can you provide your query ? On Thu, Jan 10, 2013 at 12:39 AM, Mathieu Despriee wrote: Nitin Pawar...
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Author: Nitin Pawar,
2013-01-10, 08:43
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Re: Find out what's causing an InvalidOperationException - Hive - [mail # user]
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...can you give table definition of both the tables? are both the columns of same type ? On Wed, Jan 9, 2013 at 5:15 AM, Krishna Rao wrote: Nitin Pawar...
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Author: Nitin Pawar,
2013-01-09, 13:21
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Re: create a hive table: always a tab space before each line - Hive - [mail # user]
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...you may want to look at the sequencefile format http://my.safaribooksonline.com/book/databases/hadoop/9780596521974/file-based-data-structures/id3555432 that tab is to separate key fro...
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Author: Nitin Pawar,
2013-01-09, 09:07
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Re: Regarding Backup of MySQL if we have that as Metadata store for HIVE - Hive - [mail # user]
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...if you are using hcatalog for metadata store, then you can just setup a daily cron to take up data bacup with mysqldump. from what I understand is keep the metadata backup setup from h...
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Author: Nitin Pawar,
2013-01-02, 14:30
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Re: Reg: <Real Time Hive query> - Hive - [mail # user]
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...Hive is not like mysql where u just query and get the results. It will take time based on data size and query. You may look at oozie if you want to build an application or look at penatho wi...
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Author: Nitin Pawar,
2012-12-25, 10:06
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