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Re: 'Redundant' mutations - Accumulo - [mail # user]
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...short answer: yes on disk these redundant keys are removed eventually On Feb 9, 2012, at 10:14 AM, Keith Turner wrote: ...
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Author: Aaron Cordova,
2012-02-09, 15:20
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Re: 'Redundant' mutations - Accumulo - [mail # user]
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...You get "a" By default tables are configured with a "versioning iterator" that filters out all but the latest "version" of a key, meaning the key with the latest timestamp, which provi...
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Author: Aaron Cordova,
2012-02-09, 14:47
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Re: writing to more than one table - Accumulo - [mail # user]
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...There is indeed. As of 1.4, maybe earlier there is a class called MultiTableBatchWriter. I believe the usage is as follows. One obtains one via calling: MultiTableBatchWri...
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Author: Aaron Cordova,
2012-02-08, 13:51
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Re: loggers - Accumulo - [mail # dev]
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...On Jan 30, 2012, at 12:02 PM, Jesse Yates wrote: ugh - why would they change this? Pipelining maximizes bandwidth usage. It'd be cool if the log stream could be configured to return a...
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Author: Aaron Cordova,
2012-01-30, 18:05
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loggers - Accumulo - [mail # dev]
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...At the Hbase vs Accumulo deathmatch the other night Todd elucidated that Hbase's write-ahead log is in HDFS and benefits somewhat thereby. He neglected to mention that for years until HDFS a...
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Author: Aaron Cordova,
2012-01-30, 15:48
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Re: decommission tablet servers - Accumulo - [mail # dev]
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...Beautiful .. I'll try that. 1.4 is awesome. Thanks! On Jan 30, 2012, at 9:27 AM, John W Vines wrote: ...
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Author: Aaron Cordova,
2012-01-30, 14:39
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Re: decommission tablet servers - Accumulo - [mail # dev]
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...Or, is it the case that we want, for some reason, the official 'decommission method' to be 'kill'? It seems to me that it'd be smoother to have the master migrate tablets off and avoid recov...
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Author: Aaron Cordova,
2012-01-30, 08:37
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Re: decommission tablet servers - Accumulo - [mail # dev]
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...Also - it would be good to be able to do this programmatically, and through the shell. I would assign this ticket to myself, should it need to become a ticket, and probably assign it t...
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Author: Aaron Cordova,
2012-01-30, 08:35
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decommission tablet servers - Accumulo - [mail # dev]
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...Is there a way for a user to request that the master decommission one or more tabletservers, causing the master to migrate all the tablets away without triggering a recovery and finally shut...
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Author: Aaron Cordova,
2012-01-30, 08:33
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Re: Accumulo + OODBMS = ? - Accumulo - [mail # user]
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...Someone on the Accumulo team in the past may have overlaid JPA onto Accumulo ... or maybe Java Objects ... one of those. But I don't think the query language was there .. I'll post the...
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Author: Aaron Cordova,
2012-01-24, 15:18
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