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[ACCUMULO-2336] support user-defined table metadata - Accumulo - [issue]
...An Accumulo table can have all sorts of external information that applications use to interact with the table. One example is schema definition. Another might be information about what data ...
http://issues.apache.org/jira/browse/ACCUMULO-2336    Author: Adam Fuchs, 2014-02-07, 04:08
Re: Rack and Datacenter Awareness - Accumulo - [mail # dev]
...Accumulo also has a pluggable load balancer that could be used to balance with rack and data-center awareness. This can be done using the currently released versions of Accumulo.  What ...
   Author: Adam Fuchs, 2014-01-21, 17:02
[ACCUMULO-238] support pluggable authorization providers for the monitor - Accumulo - [issue]
...ACCUMULO-196 discusses adding more command and control functionality to the monitor page. To properly secure these features in our customers' environments, we will need to be able to interfa...
http://issues.apache.org/jira/browse/ACCUMULO-238    Author: Adam Fuchs, 2014-01-08, 20:12
Re: WAL - rate limiting factor x4.67 - Accumulo - [mail # user]
...One thing you can do is reduce the replication factor for the WAL. We have found that makes a pretty significant different in write performance. That can be modified with the tserver.wal.rep...
   Author: Adam Fuchs, 2013-12-04, 14:55
[ACCUMULO-1244] commons-io version conflict with CDH4 - Accumulo - [issue]
...CDH4 appears to rely on commons-io version 2.0 or greater. Accumulo currently packages in version 1.4. We should bump this up to achieve compatibility.Workaround: put the hadoop dependency l...
http://issues.apache.org/jira/browse/ACCUMULO-1244    Author: Adam Fuchs, 2013-11-26, 15:47
[ACCUMULO-1787] support two tier compression codec configuration - Accumulo - [issue]
...Given our current configuration of one compression codec per table we have the option of leaning towards performance with something like snappy or leaning towards smaller footprint with some...
http://issues.apache.org/jira/browse/ACCUMULO-1787    Author: Adam Fuchs, 2013-11-26, 14:15
[ACCUMULO-233] rfile rename failure can lead to unavailability - Accumulo - [issue]
...During a minor compaction, a rename from *.rf_tmp to *.rf fails. This would be OK, except that we left a reference to *.rf in the !METADATA table. We need to make sure that if any part of th...
http://issues.apache.org/jira/browse/ACCUMULO-233    Author: Adam Fuchs, 2013-11-21, 21:09
[ACCUMULO-1915] seeking backwards with a combiner can give keys out of range - Accumulo - [issue]
...topKey in the combiner class is not always cleared on a seek, so a subsequent seek can end up returning the previously returned key....
http://issues.apache.org/jira/browse/ACCUMULO-1915    Author: Adam Fuchs, 2013-11-21, 16:10
Re: "Provided" dependencies - Accumulo - [mail # dev]
...On Nov 6, 2013 6:04 PM, "Joey Echeverria"  wrote:  We currently leak the Text object. It would be great if we didn't! (newbie project?)   We have done some crazy reflection st...
   Author: Adam Fuchs, 2013-11-07, 02:04
[ACCUMULO-1847] number of compactor threads can increase dynamically but not decrease - Accumulo - [issue]
...This is related to ACCUMULO-401. I can increase the number of threads in the major compaction pool by setting the tserver.compaction.major.concurrent.max variable via the Accumulo shell, but...
http://issues.apache.org/jira/browse/ACCUMULO-1847    Author: Adam Fuchs, 2013-11-02, 16:31
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NEW: Monitor These Apps!
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