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Hive error with hive.exec.parallel=true - Hive - [mail # user]
...I get the following ClosedByInterruptException often - but not always - whe n running a query with hive.exec.parallel=true. It seems to happen only w hen 2 MR jobs are being launched in para...
   Author: Steven Wong, 2011-06-08, 19:25
[expand - 1 more] - RE: Hive logging concurrency - Hive - [mail # user]
...After researching on the web, the lost log lines is apparently an issue wit h DailyRollingFileAppender that may have been fixed in 1.2.16 (see https:// issues.apache.org/bugzilla/show_bug.cg...
   Author: Steven Wong, 2011-06-02, 20:59
[expand - 1 more] - RE: Dose block size determine the number of map task - Hive - [mail # user]
...I always set it, so am not sure what the behavior is if it is not set. You  should probably always set it. See the comments/code in CombineFileInputFor mat.java for detail.   From:...
   Author: Steven Wong, 2011-06-02, 18:04
[expand - 3 more] - RE: Logging MySQL queries - Hive - [mail # user]
...It's my bad. I was editing hive/conf/hive-log4j.properties, but turns out h ive is actually a symlink to the 0.5 tree, not 0.7. So, the properties have  an effect in 0.7 for me now. &nb...
   Author: Steven Wong, 2011-06-02, 17:39
RE: Multiple Hive queries at once - Hive - [mail # user]
...There are jiras saying that Hive Server has issues with concurrent queries,  such as HIVE-80 and HIVE-1019. (Hive Server, not Hive CLI.) I don't use Hi ve Server heavily, so I cannot co...
   Author: Steven Wong, 2011-05-27, 00:59
[expand - 1 more] - RE: hive storing a byte array - Hive - [mail # user]
...I claim no experience in storing blobs in Hive, but it sounds to me that us ing array/list will be quite inefficient, in terms of both size and run tim e.   From: Luke Forehand [mailto:...
   Author: Steven Wong, 2011-05-24, 19:23
RE: Maximum Number of Hive Partitions = 256? - Hive - [mail # user]
...I have way more than 256 partitions per table. AFAIK, there is no partition  limit.    From: Time Less [mailto:[EMAIL PROTECTED]] Sent: Tuesday, May 03, 2011 6:52 PM To: [EMAI...
   Author: Steven Wong, 2011-05-04, 02:02
[expand - 2 more] - RE: Export data with column names - Hive - [mail # user]
...I'm not aware.   From: Raghunath, Ranjith [mailto:[EMAIL PROTECTED]]  Sent: Tuesday, May 03, 2011 3:29 PM To: [EMAIL PROTECTED] Subject: RE: Export data with column names  Tha...
   Author: Steven Wong, 2011-05-04, 01:20
RE: cannot start the transform script. reason : "argument list too long" - Hive - [mail # user]
...Looks like this is the command line it was executing:  2011-03-01 14:46:13,733 INFO org.apache.hadoop.hive.ql.exec.ScriptOperator:  Executing [/usr/bin/python2.6, user_id_output.py...
   Author: Steven Wong, 2011-03-01, 22:53
RE: How to implement JOIN ON (a.key <> b.key) or ...NOT IN... semantics - Hive - [mail # user]
...This is the way to go.   From: Leo Alekseyev [mailto:[EMAIL PROTECTED]]  Sent: Wednesday, December 15, 2010 6:10 PM To:  Subject: How to implement JOIN ON (a.key  b.key) ...
   Author: Steven Wong, 2010-12-17, 21:49
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