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Using Reflect: A thread for ideas - Hive - [mail # user]
...I stumbled across the little documented reflect function today. I've always known about it, but java scares me if it's not in a cup so I didn't dig.  Well today I dug, and found an awes...
   Author: John Omernik, 2013-02-14, 04:38
[expand - 1 more] - Re: Union in Multi Insert - Hive - [mail # user]
...You are correct on the what I am hoping to do, basically emit two records for every row.  What was interesting was when I just did the union in the from, it didn't see to do a double ta...
   Author: John Omernik, 2013-02-12, 14:59
[expand - 2 more] - Re: Combine multiple row values based upon a condition. - Hive - [mail # user]
...Yes, I agree with this. If you did a hive transform to say a python script that collected your offsets per doc id and used "distributed by" to ensure that the script you sent the data too ha...
   Author: John Omernik, 2013-02-03, 22:54
[HIVE-3979] Provide syntax for unescaped regex on rlike, and other regexp_* functions - Hive - [issue]
...To make hive more intuitive, can we provide a syntax for hive functions that when encompassing a regex, that regex doesn't have to the standard hive double escape? For examplecolumn rlike 'd...
http://issues.apache.org/jira/browse/HIVE-3979    Author: John Omernik, 2013-02-03, 12:15
[expand - 3 more] - Re: The dreaded Heap Space Issue on a Transform - Hive - [mail # user]
...I am realizing one of my challenges is that I have quite a few cores and map tasks per node, but (I didn't set it up) I am only running 4 GB per physical core (12) with 18 map slots.  I...
   Author: John Omernik, 2013-01-30, 17:35
[expand - 1 more] - Re: Is this a known Bug: Multi Inserts from partitioned source ignore Where Clauses - Hive - [mail # user]
...I am not a code expert, this looks very much like the bug I posted, but my bug is not using INSERT OVERWRITE (just INSERT INTO) and I am not doing any group by (probably not an issue)  ...
   Author: John Omernik, 2013-01-26, 15:27
Lateral View in sub query issue - Hive - [mail # user]
...Anyone else seeing this   select col1, col2, col3, excol from sometablewithanarrayfield LATERAL VIEW explode(arcol) artab as excol   Works just fine  select col1, excol, count...
   Author: John Omernik, 2013-01-26, 02:38
Interaction between Java and Transform Scripts on Hive - Hive - [mail # user]
...I am perplexed  if I run a transform script on a file by itself, it runs fine, outputs to standard out life is good. If I run the transform script on that same file (with the path and f...
   Author: John Omernik, 2013-01-17, 03:32
[expand - 3 more] - Re: Timestamp, Epoch Time, Functions and other Frustrations - Hive - [mail # user]
...Mark - I see your discussion with Mr. Harris here:  https://issues.apache.org/jira/browse/HIVE-3822  I agree that the result of the from_unixtime() function would return the ts bas...
   Author: John Omernik, 2013-01-06, 00:13
[expand - 1 more] - Re: Running commands at hive cli or hive thirft startup - Hive - [mail # user]
...Will that work for my thrift server connections?  On Sun, Dec 9, 2012 at 7:56 PM, विनोद सिंह  wrote:  ...
   Author: John Omernik, 2012-12-10, 16:01
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB