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Eliminating rows with many KVs using a custom filter. - HBase - [mail # user]
...Hello,  I implemented and deployed a custom HBase filter. All it does is omit rows which contain more than  KeyValue pairs. The central part is implementing Filter filterKeyValue()...
   Author: David Koch, 2012-08-17, 12:58
[expand - 3 more] - Re: Issue: "WARN client.HTable: Null regioninfo cell in keyvalues - HBase - [mail # user]
...You were right, there was another row in .META. that needed to be deleted. The warning messages have stopped. Thank you.  /David  On Thu, Aug 16, 2012 at 5:47 PM, Stack  wrote...
   Author: David Koch, 2012-08-17, 12:31
[expand - 2 more] - Re: Printing integers in the Hbase shell - HBase - [mail # user]
...Hi Anil,  Thank you for your advice.  On Sat, Aug 11, 2012 at 10:12 PM, anil gupta  wrote:  ...
   Author: David Koch, 2012-08-12, 11:52
[expand - 1 more] - Re: Applying QualifierFilter to one column family only. - HBase - [mail # user]
...Hello Anoop,  Thank you for your answer. The QualifierFilter on T specifies a minimum value not one that has to be matched exactly, so merely adding a specific qualifier value directly ...
   Author: David Koch, 2012-07-19, 08:27
[expand - 1 more] - Re: Hbase joins using MultiTableInputCollection [HBASE-3996] - HBase - [mail # user]
...Hi Ted,  Thank you for your reply. You are right, the ticket has not been closed yet. At this point, I am mainly trying to understand how MultiTableInputCollection can be used to do Joi...
   Author: David Koch, 2012-07-18, 10:11
Re: Increment Counters in HBase during MapReduce - HBase - [mail # user]
...Hello J-D  I have a similar requirement as that presented by the original poster, i.e updating a totals count without having to push the entire data set through the Mapper again.  ...
   Author: David Koch, 2012-06-24, 21:15
Distinct counters and counting rows - HBase - [mail # user]
...Hello,  I am testing HBase for distinct counters - more concretely, counting unique users from a fairly large stream of user_ids. For some time to come the volume will be limited enough...
   Author: David Koch, 2012-05-30, 07:17
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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