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Re: Can I connect an InputStream to a Mutation value? - Accumulo - [mail # user]
...There's also the concern of elements of the document that are too large by themselves. A general purpose streaming solution would include support for any kind of objects passed in, not just ...
   Author: Adam Fuchs, 2012-06-19, 12:14
Re: Software used for benchmarking a cloud - Accumulo - [mail # user]
...Graph-500 (http://www.graph500.org/) also has a benchmark that can be adapted to Accumulo. That will test random I/O with non-uniform distribution better than Tera-sort or continuous-ingest,...
   Author: Adam Fuchs, 2012-06-04, 17:48
Re: Can Sort Order Be Reversed? - Accumulo - [mail # user]
...Nope, we currently only support one sort order. The closest you can come is by using an encoding the flips the sort order. In this case, you would take every byte and subtract it from 255 to...
   Author: Adam Fuchs, 2012-05-31, 14:40
Re: Master down?; tservers not listed in /tservers - Accumulo - [mail # dev]
...David,  Were you able to figure this one out? Are you still looking for help?  Adam   On Tue, May 22, 2012 at 1:00 PM, David Arsenault wrote:  ...
   Author: Adam Fuchs, 2012-05-29, 20:34
Re: Filtering rows by presence of keys - Accumulo - [mail # user]
...One of the differences you'll see between WholeRowIterator and RowFilter is that WholeRowIterator buffers an entire row in memory while RowFilter does not. Each includes a boolean method tha...
   Author: Adam Fuchs, 2012-05-25, 13:34
[ACCUMULO-603] replace log.debug statements with explanatory comments in IndexedDocIterator - Accumulo - [issue]
...org.apache.accumulo.core.iterators.user.IndexedDocIterator has a bunch of log.debug statements that could harm performance. We should remove them. The code could also use comments that expla...
http://issues.apache.org/jira/browse/ACCUMULO-603    Author: Adam Fuchs, 2012-05-21, 18:23
[expand - 1 more] - Re: [VOTE] [RESULT] remove "Closed" state from workflow - Accumulo - [mail # dev]
...INFRA-4831 - remove "Closed" state from Accumulo workflow   On Sat, May 19, 2012 at 11:31 AM, Adam Fuchs  wrote:  ...
   Author: Adam Fuchs, 2012-05-21, 14:25
[expand - 1 more] - Re: ROW ID Iterator - sanity check - Accumulo - [mail # user]
...Since you changed the iterator method to create a new RowIdIterator based on the old scanner, and the old scanner remembers its scan iterator configuration, each time you call iterate you en...
   Author: Adam Fuchs, 2012-05-20, 17:57
Re: Could combiners be coded using groovy? - Accumulo - [mail # dev]
...The base semantics of Accumulo are actually more of multimap, and the VersioningIterator is what turns a table into a map. You could try using a custom comparator when you construct your Tre...
   Author: Adam Fuchs, 2012-05-19, 22:12
Re: Using Accumulo To Calculate Seven Day Rolling Average - Accumulo - [mail # user]
...You could use a combiner for values that match the same day, and then roll off whole days. This could be used along with a scan-time combiner to do averages across multiple days.  Alter...
   Author: Adam Fuchs, 2012-05-19, 01:42
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