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Re: Accumulo + OODBMS = ? - Accumulo - [mail # user]
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...Such a thing might be possible, but I don't think anyone on the accumulo team is very familiar with OODBMSs - can you recommend some resources to get caught up? I have, in the past, pr...
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Author: Aaron Cordova,
2012-01-24, 14:07
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Re: new combiners - Accumulo - [mail # user]
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...thanks all. The problem appears that, the tablet server is not recognizing the option and still looking for column families in the set of options, and finds none, throwing an error. I'll upd...
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Author: Aaron Cordova,
2012-01-21, 05:44
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new combiners - Accumulo - [mail # user]
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...Am I doing this right? I'm trying to enable the SummingOperator for all column families using 1.4.0. conn.tableOperations().create(name); EnumSet scopes = EnumSet.allOf(IteratorS...
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Author: Aaron Cordova,
2012-01-21, 01:39
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Re: Can I user a 3 node accumulo cluster on a 10 node hadoop cluster? - Accumulo - [mail # user]
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...Yes - accumulo processes can be run on a subset of the machines running hadoop processes, or even entirely separate machines, as long as they can talk to the namenode and HDFS datanodes. &nb...
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Author: Aaron Cordova,
2012-01-12, 20:09
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Re: upgrade from 1.3 to 1.4 - Accumulo - [mail # user]
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...Ahh that's awesome. So the function returns exactly one value for each key? On Jan 3, 2012, at 12:53 PM, Billie J Rinaldi wrote: ...
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Author: Aaron Cordova,
2012-01-03, 17:56
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Re: upgrade from 1.3 to 1.4 - Accumulo - [mail # user]
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...yeah in this case i suppose there's not much that can go wrong. even if both combiners are turned off at some point, when the summingcombiner is turned on it should do the right thing. As lo...
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Author: Aaron Cordova,
2012-01-03, 17:51
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Re: upgrade from 1.3 to 1.4 - Accumulo - [mail # user]
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...BTW I love the label 'Combiner' instead of aggregator. I've been describing their capabilities as equivalent to MapReduce combiners to new Accumulo users, so this makes it even more clear. &...
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Author: Aaron Cordova,
2012-01-03, 16:56
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Re: upgrade from 1.3 to 1.4 - Accumulo - [mail # user]
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...Is it ok to disable the stringsummation aggregator and then enable the summingcombiner through the shell? Should I take the table offline first? On Jan 3, 2012, at 11:36 AM, Billie J ...
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Author: Aaron Cordova,
2012-01-03, 16:51
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Re: upgrade from 1.3 to 1.4 - Accumulo - [mail # user]
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...Also - if I have the StringSummation aggregator configured on a 1.3.5 table, when I bring up 1.4 will it continue to use that aggregator, given that there's a new combiner framework? Is ther...
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Author: Aaron Cordova,
2012-01-03, 16:18
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Re: upgrade from 1.3 to 1.4 - Accumulo - [mail # user]
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...awesome. is the 1.4 branch stable? if not, is trunk stable? On Jan 3, 2012, at 11:03 AM, Keith Turner wrote: ...
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Author: Aaron Cordova,
2012-01-03, 16:04
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