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Question about the TableInfo class - Accumulo - [mail # user]
...In the TableInfoclass is tabletsthe total number of tablets assigned to the tserver of the table whileonlineTabletsis the number of those tablets of the table the tserver has online? Sotable...
   Author: Jeff Kubina, 2014-12-08, 20:52
[expand - 2 more] - Re: (U) I do I tell Accumulo where the jars for my custom formatters and balancers are for a specific table? - Accumulo - [mail # user]
...Versions 1.4, 1.5, and 1.6.1. A solution for just 1.6.1 would help.As only an Accumulo user with create/read/write/ access of tables (not anadmin) I won't have write access to the classpath ...
   Author: Jeff Kubina, 2014-08-25, 19:31
What API call can I use to get the number of (online) tablet servers of an Accumulo instance? - Accumulo - [mail # user]
...What API call can I use to get the number of (online) tablet servers of an Accumulo instance?...
   Author: Jeff Kubina, 2013-09-17, 15:15
scripts for mapred.healthChecker option? - MapReduce - [mail # user]
...Are there any standard or recommended scripts for the mapred.healthChecker options in the mapred-site.xml configuration file for a linux box?  -Jeff...
   Author: Jeff Kubina, 2013-08-08, 23:47
How to efficiently find lexicographically adjacent records? - Accumulo - [mail # user]
...I have records  in an Accumulo table where the key is about a 50 long byte string. Given a new key k, I want to find the m records that would precede and succeed the record  if it ...
   Author: Jeff Kubina, 2013-08-07, 21:31
[expand - 1 more] - Re: Is there a method in the accumulo api to get the total bytes used and/or total key/value pairs for each tablet? - Accumulo - [mail # user]
...So how would I get the info from the master, or could you point me to the monitor code? Thanks.  Jeff Kubina 410-988-4436    On Thu, Apr 11, 2013 at 11:06 AM, Keith Turner &nb...
   Author: Jeff Kubina, 2013-04-11, 21:44
question about the values in the Ingest column on the monitor page - Accumulo - [mail # user]
...On the Accumulo monitor page (http://accumulo.apache.org/screenshots.html) the Ingest column contains values that are some rate of ingest of rows, if so, what is the time period that the rat...
   Author: Jeff Kubina, 2013-04-09, 11:50
Re: How to make a MapReduce job with no input? - MapReduce - [mail # user]
...Mike,  To do this for the more general case of creating N map jobs with each job receiving the one record , where i ranges from 0 to n-1, I wrote an InputFormat, InputSplit, and RecordR...
   Author: Jeff Kubina, 2013-03-01, 01:41
Re: Hadoop Scalability - MapReduce - [mail # user]
...Thiago, when addressing scaling you want to consider whether the algorithm scales, and if so, if the systems architecture enables the algorithm to scale, that is, if the algorithm scales on ...
   Author: Jeff Kubina, 2013-01-19, 21:20
[expand - 2 more] - Re: What is the Communication and Time Complexity for Bulk Inserts? - Accumulo - [mail # user]
...@eric, assuming the records are evenly distributed and network bandwidth is not an issue, shouldn't that be O(n/p)+O(p) and O(n/p * log (n/p))?  On Wed, Oct 24, 2012 at 2:45 PM, Eric Ne...
   Author: Jeff Kubina, 2012-10-24, 19:57
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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