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Re: dfs storage full on all slave machines of 6 machine hive cluster - Hive - [mail # user]
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...Thank Alok, I deleted mapred.local.dir folders. I more 2 question, 1. I have around 30 databases and each one contains many tables. So, is there any way to find out wat are the size of...
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Author: Chunky Gupta,
2013-03-19, 10:36
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Re: dfs storage full on all slave machines of 6 machine hive cluster - Hive - [mail # user]
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...Hi Zhiwen, /mnt/hadoop-fs/mapred/local/taskTracker/ Inside this folder there are folders with different user name, can I delete these ?. I do not understand what this {*nou...
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Author: Chunky Gupta,
2013-03-18, 15:58
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dfs storage full on all slave machines of 6 machine hive cluster - Hive - [mail # user]
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...Hi, We have a 6 machine hive cluster. We are getting errors while a query is running and it fails. I found that on all 5 slaves storage is nearly full ( 96%, 98%, 100%, 97%, 98% storag...
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Author: Chunky Gupta,
2013-03-18, 10:37
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Re: Adding comment to a table for columns - Hive - [mail # user]
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...Hi Bejoy, I checked and didn't find anywhere using extended and formatted simultaneously to describe table. It is like :- DESCRIBE [EXTENDED|FORMATTED] table_name[DOT col_name ( ...
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Author: Chunky Gupta,
2013-02-21, 13:16
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Re: Adding comment to a table for columns - Hive - [mail # user]
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...Hi Bejoy, Bhaskar I tried using FORMATTED, but it will not give me comments which I have put while creating table. Its output is like :- col_name &nbs...
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Author: Chunky Gupta,
2013-02-21, 11:45
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Adding comment to a table for columns - Hive - [mail # user]
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...Hi, I am using this syntax to add comments for all columns :- CREATE EXTERNAL TABLE test ( c STRING COMMENT 'Common class', time STRING COMMENT 'Common time', url STR...
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Author: Chunky Gupta,
2013-02-21, 11:16
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Re: Need tab separated output file and put limit on number of lines in a output file - Hive - [mail # user]
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...Hi Mark, We mostly do insert overwrite into local directory, and at that location multiple files with output of that query are created and we use these files our analysis. So, we want ...
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Author: Chunky Gupta,
2013-02-20, 18:09
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Need tab separated output file and put limit on number of lines in a output file - Hive - [mail # user]
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...Hi, Currently the output file columns of my query is separate by "^A", I need my output to be separated by tab. Can anybody help me in setting this ? I more doubt, I want to limi...
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Author: Chunky Gupta,
2013-02-20, 06:53
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Re: Loading json files into hive table is giving NULL as output(data is in s3 bucket) - Hive - [mail # user]
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...Hi Dean, I was using *hive-json-serde-0.2.jar* earlier. Now I tried *hive-json-serde-0.3.jar *as you suggested and it is working fine, I am getting the output as expected. Can yo...
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Author: Chunky Gupta,
2013-02-18, 15:31
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Re: Loading json files into hive table is giving NULL as output(data is in s3 bucket) - Hive - [mail # user]
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...Hi Dean, I tried with removing underscore too, and getting the same output which means problem is not with underscore. Yes, it was an example. Actual json file is like :- {...
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Author: Chunky Gupta,
2013-02-18, 15:17
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