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Re: querying for relevant rows - Accumulo - [mail # user]
...You can't scan backwards in Accumulo, but you probably don't need to. What you can do instead is use the last timestamp in the range as the key like this:      key=2  val...
   Author: Adam Fuchs, 2012-06-29, 18:52
Re: frustrated with apache.org - Accumulo - [mail # dev]
...[EMAIL PROTECTED], maybe?  Adam On Jun 28, 2012 9:22 PM, "David Medinets"  wrote:  ...
   Author: Adam Fuchs, 2012-06-29, 01:31
[expand - 1 more] - Re: Incorrectly setting TKey causes NPE (to nobody's surprise) - Accumulo - [mail # user]
...Mark,  You're right, my answer was totally misdirected.  The real reason is that TKey is not very user-friendly is that it is auto generated from the code in core/src/main/thrift/d...
   Author: Adam Fuchs, 2012-06-26, 15:30
Re: Storing Geospatial Tiles in Accumulo Question - Accumulo - [mail # dev]
...Susan,  As a starting point, check out this article on Geo Hashing: http://en.wikipedia.org/wiki/Geohash.  Cheers, Adam   On Tue, Jun 26, 2012 at 9:31 AM, Thistlethwaite, Susa...
   Author: Adam Fuchs, 2012-06-26, 14:13
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
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