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Re: The dreaded Heap Space Issue on a Transform - Hive - [mail # user]
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...That particular OutOfMemoryError is happening on one of your hadoop nodes. It's the heap within the process forked by the hadoop tasktracker, I think. Phil. On 30 January 2013 1...
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Author: Philip Tromans,
2013-01-30, 15:11
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Re: Is this a known Bug: Multi Inserts from partitioned source ignore Where Clauses - Hive - [mail # user]
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...This is a known (recently fixed) bug: https://issues.apache.org/jira/browse/HIVE-3699 Phil. On 26 January 2013 15:17, John Omernik wrote: ...
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Author: Philip Tromans,
2013-01-26, 15:20
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Re: Join not working in HIVE - Hive - [mail # user]
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...Hive doesn't support theta joins. Your best bet is to do a full cross join between the tables, and put your range conditions into the WHERE clause. This may or may not work, depending on the...
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Author: Philip Tromans,
2012-12-17, 14:18
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Re: need help on writing hive query - Hive - [mail # user]
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...You could use collect_set() and GROUP BY. That wouldn't preserve order though. Phil. On Oct 31, 2012 9:18 PM, "qiaoresearcher" wrote: ...
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Author: Philip Tromans,
2012-10-31, 21:32
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Re: Hive Query Unable to distribute load evenly in reducers - Hive - [mail # user]
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...I'm really not convinced that there's no skew in your data. Look at the counters from the Hadoop TaskTracker pages, and thoroughly check that the numbers of reducer input records / groups an...
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Author: Philip Tromans,
2012-10-18, 09:03
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Re: Hive Query Unable to distribute load evenly in reducers - Hive - [mail # user]
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...Is your data heavily skewed towards certain values of a.x etc? On 15 October 2012 15:23, Saurabh Mishra wrote:...
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Author: Philip Tromans,
2012-10-15, 15:29
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[HIVE-3358] Warning printed at error level - Hive - [issue]
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...In org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc.newInstance(), the message "WARNING: Comparing a bigint and a string may result in a loss of precision." is emitted at Log.ERROR lev...
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http://issues.apache.org/jira/browse/HIVE-3358
Author: Philip Tromans,
2012-10-02, 04:22
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[HIVE-3359] Warning printed at error level - Hive - [issue]
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...In org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc.newInstance(), the message "WARNING: Comparing a bigint and a string may result in a loss of precision." is emitted at Log.ERROR lev...
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http://issues.apache.org/jira/browse/HIVE-3359
Author: Philip Tromans,
2012-10-02, 04:21
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[HIVE-3360] Warning printed at error level - Hive - [issue]
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...In org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc.newInstance(), the message "WARNING: Comparing a bigint and a string may result in a loss of precision." is emitted at Log.ERROR lev...
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http://issues.apache.org/jira/browse/HIVE-3360
Author: Philip Tromans,
2012-10-02, 04:21
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Re: newbie in hive dev - process help - Hive - [mail # dev]
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...If you want code committed to Hive, then you need to open a JIRA and attach a patch. Cheers, Phil. On 13 September 2012 13:16, Chalcy Raja wrote:...
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Author: Philip Tromans,
2012-09-13, 12:38
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