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Re: View with map join fails - Hive - [mail # user]
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...Looks like there is a bug with mapjoin + view. Please check hive jira to see if there an issue open against this else file a new jira. From my understanding, When you enable map ...
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Author: bejoy_ks@...,
2013-01-08, 18:41
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Re: Mapping HBase table in Hive - Hive - [mail # user]
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...Hi Ibrahim The hive hbase integration totally depends on the hbase table schema and not the schema of the source table in mysql. You need to provide the column family qualifier m...
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Author: bejoy_ks@...,
2013-01-08, 18:35
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Re: Map Reduce Local Task - Hive - [mail # user]
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...Hi Santhosh As long as the smaller table size is in the range of a few MBs. It is a good candidate for map join. If the smaller table size is still more then you can take a look ...
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Author: bejoy_ks@...,
2013-01-08, 18:24
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Re: External table with partitions - Hive - [mail # user]
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...Sorry, I din understand your query on first look through. Like Jagat said, you may need to go with a temp table for this. Do a hadoop fs -cp ../../a.* Create a external ta...
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Author: bejoy_ks@...,
2013-01-06, 14:47
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Re: External table with partitions - Hive - [mail # user]
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...Hi Oded If you have created the directories manually that would come visible to the hive table only if the partitions/ sub dirs are added to the meta data using 'ALTER TABLE ... ADD PA...
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Author: bejoy_ks@...,
2013-01-06, 14:39
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Re: Map side join - Hive - [mail # user]
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...Hi Souvik To have the new hdfs block size in effect on the already existing files, you need to re copy them into hdfs. To play with the number of mappers you can set lesser value...
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Author: bejoy_ks@...,
2012-12-13, 18:06
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Re: Map side join - Hive - [mail # user]
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...Hi Souvik Is your input files compressed using some non splittable compression codec? Do you have enough free slots while this job is running? Make sure that the job is not...
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Author: bejoy_ks@...,
2012-12-13, 17:12
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Re: Map side join - Hive - [mail # user]
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...Hi Souvik Apart from hive jobs is the normal mapreduce jobs like the wordcount running fine on your cluster? If it is working, for the hive jobs are you seeing anything skeptical...
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Author: bejoy_ks@...,
2012-12-12, 14:04
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Re: Map side join - Hive - [mail # user]
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...Hi Souvik In earlier versions of hive you had to give the map join hint. But in later versions just set hive.auto.convert.join = true; Hive automatically selects the smaller table. It ...
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Author: bejoy_ks@...,
2012-12-07, 20:10
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Re: Hive | HBase Integration - Hive - [mail # user]
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...Hi Rinku Were you able to create a normal table within your hive without any issues? By Normal table I mean the one that has data dir in hdfs not in HBase. ...
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Author: bejoy_ks@...,
2012-02-29, 05:38
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