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Re: integration issure about hive and hbase - Hive - [mail # user]
...Did you hbase cluster start up?  The error message is more like that something wrong with the classpath. So maybe you'd better also check that.   On Mon, Jul 8, 2013 at 1:54 PM, ch...
   Author: Cheng Su, 2013-07-08, 06:52
[expand - 2 more] - Re: How does hive decide to launch how many map tasks? - Hive - [mail # user]
...Hi, Bejoy. I find the mapred.min.split.size in mapred-default.xml, but there is no mapred.max.split.size property. I'm using hadoop 0.20.205.0.  Maybe only newer versions support mapred...
   Author: Cheng Su, 2012-11-19, 07:01
Re: Do I need any Pig knowledge to learn Hive? - Hive - [mail # user]
...Hi, Majid. I think you don't need know about pig, but it will help if you have some SQL knowledge.  On Fri, Nov 16, 2012 at 5:26 PM, Majid Azimi  wrote:     Regards, Chen...
   Author: Cheng Su, 2012-11-16, 09:29
Why hadoop job pending for so long? - Hive - [mail # user]
...Hi, all.  I am running some hive queries. I use hive 0.9.0 + hadoop 0.20.205.0  But some of them are pending for quite a long time, say 30min or even longer. I have enough free map...
   Author: Cheng Su, 2012-11-16, 09:00
[expand - 1 more] - Re: Can I merge files after I loaded them into hive? - Hive - [mail # user]
...Thank you guys. I will try this later. And sorry for additional questions: if I do this, could the file become too big? Does hive have a config to control the max file size? Does hive can au...
   Author: Cheng Su, 2012-11-15, 10:41
[expand - 1 more] - Re: Hive UDAF convert problem - Hive - [mail # user]
...Thanks a lot. I will look into it.   Actually I did change the source like what you suggested to avoid the convert exception. But I need to use some TreeMap method, so I had to check an...
   Author: Cheng Su, 2012-11-15, 08:45
[expand - 1 more] - Re: Hbase connection closed when query multiple complicated hql with hive+hbase integration - Hive - [mail # user]
...The exceptions seem to be another problem. They all happened on one node. And after the task attempts failed at that node, retried on other nodes and no exceptions. So that, the exception ma...
   Author: Cheng Su, 2012-11-07, 06:23
[expand - 2 more] - Re: ClassNotFoundException when use hive java client of hive + hbase integration - Hive - [mail # user]
...This doesn't work. In CLI mode you could export the environment variable to avoid add jar every time. I did this, but still encounter the error when I access from java client. And I can't ev...
   Author: Cheng Su, 2012-11-07, 01:52
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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