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Re: Thrift as Public API? - Accumulo - [mail # dev]
...IMO we do not. The thrift interface that we currently have is not easilyconsumable (you have to understand a lot about the metadata and clusterlayout), and we don't include it in SemVer. Add...
   Author: Adam Fuchs, 2015-06-04, 16:48
Re: Change column family - Accumulo - [mail # user]
...This can also be done with a row-doesn't-fit-into-memory constraint. Youwon't need to hold the second column in-memory if your iterator tree deepcopies, filters, transforms and merges. Exhib...
   Author: Adam Fuchs, 2015-05-26, 15:03
[ACCUMULO-3712] document setting up VM clusters with high stability - Accumulo - [issue]
...Add documentation in the user manual describing the use of ACCUMULO-3569 and general high stability setup for VM environments....
http://issues.apache.org/jira/browse/ACCUMULO-3712    Author: Adam Fuchs, 2015-05-18, 21:50
[ACCUMULO-2946] refactor namespace / table operations code to share more code - Accumulo - [issue]
...o.a.a.core.client.impl.NamespaceOperationsHelper and o.a.a.core.client.impl.TableOperationsHelper have a lot of repeated code between them. Refactor them to remove the duplication. Maybe thi...
http://issues.apache.org/jira/browse/ACCUMULO-2946    Author: Adam Fuchs, 2015-05-11, 22:00
Re: Accumulo Summit 2015 - Accumulo - [mail # user]
...Thanks, Mike. A good time was had by all!The conference organizers expect videos and slides will be available inabout 2 weeks.Cheers,AdamOn Fri, May 1, 2015 at 9:58 AM, Giordano, Michael <...
   Author: Adam Fuchs, 2015-05-04, 15:05
[ACCUMULO-3079] improve system iterator performance by collapsing call stack - Accumulo - [issue]
...System iterators are at the core of the tightest loops in Accumulo, handling every key/value pair that traverses through a scan or a compaction. In many cases, iterators are the current perf...
http://issues.apache.org/jira/browse/ACCUMULO-3079    Author: Adam Fuchs, 2015-04-26, 03:33
[ACCUMULO-981] support pluggable encryption codecs for MapFile when recovering write-ahead logs - Accumulo - [issue]
...As with ACCUMULO-980, we need to support encryption for the recovered write-ahead logs that are stored as MapFiles in HDFS. Those MapFiles need to support low-latency seeks, so aligning the ...
http://issues.apache.org/jira/browse/ACCUMULO-981    Author: Adam Fuchs, 2015-04-17, 18:16
[ACCUMULO-3733] support an ingest path that avoids Mutation objects - Accumulo - [issue]
...I had a thought about a potential performance/API improvement last night. Mutations are great for ensuring that multiple key/value changes to the same row happen atomically, but for some app...
http://issues.apache.org/jira/browse/ACCUMULO-3733    Author: Adam Fuchs, 2015-04-15, 16:28
Re: Unexpected aliasing from RFile getTopValue() - Accumulo - [mail # user]
...On Wed, Apr 15, 2015 at 10:20 AM, Keith Turner  wrote:So, is this a tradeoff in the performance vs. inter-iterator isolationspace? From a performance perspective we would do best if we ...
   Author: Adam Fuchs, 2015-04-15, 15:06
Re: Scan-time iterators returning out-of-order rows - Accumulo - [mail # dev]
...Russ,Sorry for being a bit late to the discussion here. I think it's technicallyfine for scan-time iterators to return keys out of order, but there are afew things you should be aware of:1. ...
   Author: Adam Fuchs, 2015-04-13, 15:26
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB