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Re: Software used for benchmarking a cloud - Accumulo - [mail # user]
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...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,...
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Author: Adam Fuchs,
2012-06-04, 17:48
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Re: Can Sort Order Be Reversed? - Accumulo - [mail # user]
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...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...
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Author: Adam Fuchs,
2012-05-31, 14:40
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Re: Master down?; tservers not listed in /tservers - Accumulo - [mail # dev]
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...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: ...
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Author: Adam Fuchs,
2012-05-29, 20:34
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Re: Filtering rows by presence of keys - Accumulo - [mail # user]
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...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...
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Author: Adam Fuchs,
2012-05-25, 13:34
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[ACCUMULO-603] replace log.debug statements with explanatory comments in IndexedDocIterator - Accumulo - [issue]
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...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...
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http://issues.apache.org/jira/browse/ACCUMULO-603
Author: Adam Fuchs,
2012-05-21, 18:23
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Re: [VOTE] [RESULT] remove "Closed" state from workflow - Accumulo - [mail # dev]
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...INFRA-4831 - remove "Closed" state from Accumulo workflow On Sat, May 19, 2012 at 11:31 AM, Adam Fuchs wrote: ...
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Author: Adam Fuchs,
2012-05-21, 14:25
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Re: ROW ID Iterator - sanity check - Accumulo - [mail # user]
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...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...
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Author: Adam Fuchs,
2012-05-20, 17:57
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Re: ROW ID Iterator - sanity check - Accumulo - [mail # user]
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...One issue here is you are mixing Iterator and Iterable in the same object. Usually, an Iterable will return an iterator at the beginning of some logical sequence, but your iterable returns t...
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Author: Adam Fuchs,
2012-05-19, 23:49
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Re: Could combiners be coded using groovy? - Accumulo - [mail # dev]
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...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...
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Author: Adam Fuchs,
2012-05-19, 22:12
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[VOTE] [RESULT] remove "Closed" state from workflow - Accumulo - [mail # dev]
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...The vote passes with 9 +1s (counting my implicit vote) and 0 -1s. I will follow up and get this implemented. Thanks all, Adam On Sat, May 19, 2012 at 11:26 AM, Jason Trost...
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Author: Adam Fuchs,
2012-05-19, 15:31
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