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[ACCUMULO-543] why are we still reusing RFile.Readers? - Accumulo - [issue]
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...The TabletServer includes a bunch of code to manage reuse of RFile.Reader objects across scans. There are a few reasons for doing this that certainly made sense in the past, including: Reduc...
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http://issues.apache.org/jira/browse/ACCUMULO-543
Author: Adam Fuchs,
2012-04-18, 21:17
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[ACCUMULO-533] make system iterators thread-safer - Accumulo - [issue]
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...It is possible that at some point in the future users will want to write multi-threaded iterators. This could possibly introduce thread safety problems in the system iterators, especially in...
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http://issues.apache.org/jira/browse/ACCUMULO-533
Author: Adam Fuchs,
2012-04-16, 20:32
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Re: monitoring - Accumulo - [mail # user]
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...I tend to use the Accumulo monitor service (AKA master status page) for Accumulo-specific metrics and logs. Accumulo also offers fairly extensive JMX stats for integration into JMX-enabled m...
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Author: Adam Fuchs,
2012-04-13, 20:30
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Re: [VOTE] email-based JIRA comments - Accumulo - [mail # dev]
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...+1 On Thu, Apr 12, 2012 at 12:53 PM, Billie J Rinaldi wrote: ...
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Author: Adam Fuchs,
2012-04-12, 16:59
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Re: recursive rollup - Accumulo - [mail # user]
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...Small correction: the branching factor would not have to be exactly 1, but it would be small on average (close to 1). Adam On Thu, Apr 12, 2012 at 12:50 PM, Adam Fuchs wro...
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Author: Adam Fuchs,
2012-04-12, 16:58
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Re: recursive rollup - Accumulo - [mail # user]
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...This probably won't work, unless all node names are unique at a given level. For example, given paths /a/c/d/e and /b/c/d/e you would have two conflicting entries for "4:d/e childOf c/d". Yo...
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Author: Adam Fuchs,
2012-04-12, 16:50
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Re: Using maxVersions=7 but rows disappear - Accumulo - [mail # user]
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...David, In case of continuing confusion, I think it's best if you ignore Bill's suggestion for now and heed Josh's advice. Bill's suggestion might be an optimization to look at later on...
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Author: Adam Fuchs,
2012-04-11, 18:20
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Re: Newbie Install/Setup Questions - Accumulo - [mail # user]
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...Sam, Yes, Accumulo 1.4.0 should be compatible with Hadoop 1.0.1 after you remove that check. We've run with it some, but mostly we've tested with 0.20.x. Please let us know if you see ...
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Author: Adam Fuchs,
2012-04-10, 20:00
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[ACCUMULO-375] Wikipedia Ingest needs more parallelism - Accumulo - [issue]
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...The wikipedia ingest Map job uses a derivative of the FileInputFormat, which launches one job per file. Given the partitioning strategy and workload distribution, it makes sense to launch mu...
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http://issues.apache.org/jira/browse/ACCUMULO-375
Author: Adam Fuchs,
2012-04-03, 16:37
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Re: Off you go! - Accumulo - [mail # dev]
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...+3! Adam On Mar 21, 2012 6:10 PM, "Keith Turner" wrote: ...
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Author: Adam Fuchs,
2012-03-21, 22:14
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