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Reduce the amount of logging going into /var/log/hive/userlogs - Hive - [mail # user]
...Last time I looked there wasn't much info available on how to reduce thesize of the logs written here (the only suggestions being delete them aftera day).Is there anything I can do now to re...
   Author: Krishna Rao, 2014-06-13, 08:52
[expand - 4 more] - Re: HBase checksum vs HDFS checksum - HBase - [mail # user]
...Hi Ted,I had read those, but I'm confused about how this will affect non-HBase HDFS data. With HDFS checksumming off won't it affect data integrity?KrishnaOn 24 April 2014 15:54, Ted Yu >...
   Author: Krishna Rao, 2014-04-29, 14:18
[expand - 1 more] - Re: Job froze for hours because of an unresponsive disk on one of the task trackers - Hadoop - [mail # user]
...I noticed, but none of the jobs ended up being re-submitted! And all 3 ofthose jobs failed on the same node. All we know is that the disk on thatnode became unresponsive.On 27 March 2014 09:...
   Author: Krishna Rao, 2014-03-27, 10:00
Hive query parser bug resulting in "FAILED: NullPointerException null" - Hive - [mail # user]
...Hi all,we've experienced a bug which seems to be caused by having a queryconstraint involving partitioned columns. The following query results in"FAILED: NullPointerException null" being ret...
   Author: Krishna Rao, 2014-02-27, 12:45
Possible to list all failed jobs? - Hadoop - [mail # user]
...Is it possible to list just all the failed jobs in either the JobTrackerJobHistory or otherwise?Cheers,Krishna ...
   Author: Krishna Rao, 2014-02-22, 21:09
[expand - 1 more] - Re: Sqoop import when table schema changes - Sqoop - [mail # user]
...Thank you for your reply.I think we'll probably just go for a simple solution: drop the table inhive and then re-sqoop it in each time.On 28 January 2014 14:17, Chalcy  wrote:> Yes, ...
   Author: Krishna Rao, 2014-01-28, 14:29
Failed to report status for x minutes - Hive - [mail # user]
...Hi all,  We've been running into this problem a lot recently on a particular reduce task. I'm aware that I can work around it by uping the "mapred.task.timeout".  However, I would ...
   Author: Krishna Rao, 2013-11-29, 12:11
Re: sqoop-export with sequence files doesn't work. - Sqoop - [mail # user]
...I've run into this problem as well. I ended up copying the table into a non-sequenceFile table just so I could sqoop it out (something along the lines of CREATE TABLE nonSeqTbl LIKE seqTbl; ...
   Author: Krishna Rao, 2013-08-16, 16:32
[expand - 1 more] - Re: Add external jars automatically - Hive - [mail # user]
...Ah great, the auxlib dir option sounds perfect.  Cheers   On 13 March 2013 17:41, Alex Kozlov  wrote:  ...
   Author: Krishna Rao, 2013-03-13, 17:54
Re: hive commands from a file - Hive - [mail # user]
...Hi Sai,  just use the "-f" arg together with the file name. For details see: https://cwiki.apache.org/Hive/languagemanual-cli.html  Krishna  On 4 March 2013 10:24, Sai Sai &nb...
   Author: Krishna Rao, 2013-03-04, 10:28
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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