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[expand - 1 more] - Re: Managed vs external tables in hive - Hive - [mail # user]
...Ranjith, If the schema of the data changes, when using external tables, you can drop the table and re-create it on the same dataset taking care of the schema changes (hopefully, maintaining ...
   Author: Mark Grover, 2012-05-14, 13:40
Re: Order by Sort by partitioned columns - Hive - [mail # user]
...Hi Shin, If you could list the query that failed and the query used to create the tables in question, that would be very helpful.  Mark  From: "Shin Chan"  To: "HIVE User" &nb...
   Author: Mark Grover, 2012-05-14, 13:29
Re: The Confused question  of hive  udf - Hive - [mail # user]
...Hi, There isn't much information here for us to say much. Could you share you c ode so we can take a look at what could be wrong? Possibly, issue a query like: select createtime, minf(create...
   Author: Mark Grover, 2012-05-11, 13:25
Re: partition column not allowed in clustered by clause ? - Hive - [mail # user]
...Hi Ameet, That's the correct behaviour.  In Hive, clustering and sorting happens within a partition. Inside each partition, there is only one value associated with the partition column ...
   Author: Mark Grover, 2012-05-10, 18:49
Re: hive failed execution error return code 2 from org.apache.hadoop.hive.ql.exec.mapredtask - Hive - [mail # dev]
...Hi Bhavesh, You will have to check your Jobtracker logs for more details. If you are using AWS, they should be in your S3 logs directory under /daemons//hadoop-hadoop-jobtracker...log  ...
   Author: Mark Grover, 2012-05-10, 13:33
[expand - 1 more] - Re: FAILED: Execution Error, return code -101 from org.apache.hadoop.hive.ql.exec.MapRedTask - Hive - [mail # user]
...Re-sending this since I didn't get a response. Any pointers would be much appreciated!  Thank you! Mark  From: "Mark Grover"  To: [EMAIL PROTECTED] Sent: Monday, May 7, 2012 5...
   Author: Mark Grover, 2012-05-09, 13:58
[expand - 2 more] - Re: Data are not displayed correctly on hive tables - Hive - [mail # user]
...Hi Roshan,  You are right. '\n' in your XML content is going to give you problems. The  table you created in Hive assumes one record = 1 '\n' terminated row from  your file. I...
   Author: Mark Grover, 2012-05-09, 00:20
Re: Storage requirements for intermediate (map-side-output) data during Hive joins - Hive - [mail # user]
...Hi Safdar and Bejoy, I decided to give my 2 cents to this dialogue:-)  All points that Bejoy made are valid. However, I don't see why multiplication of data sizes is involved. You have ...
   Author: Mark Grover, 2012-05-08, 18:00
Re: '\N' is displayed in case of null column values in exporting hive query results to CSV file - Hive - [mail # user]
...Hi Rinku, That's the expected behaviour to differentiate between NULL, "NULL" (string ) and "" (empty string).  If you would like something else to be serialized, you can use coalesce U...
   Author: Mark Grover, 2012-05-05, 22:14
Re: Hive supports scheduling? - Hive - [mail # user]
...Hi Chandan, None that I know of. If I were you, I would schedule my client code to issue a query on Hive at a particular time.  Mark  Mark Grover, Business Intelligence Analyst OAN...
   Author: Mark Grover, 2012-05-05, 21:53
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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