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[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
[ACCUMULO-1777] encryption configuration should not depend on AccumuloConfiguration.getSiteConfiguration() - Accumulo - [issue]
...In order to configure RFile to encrypt, it is necessary to have an accumulo-site.xml on the classpath that holds the encryption parameters. This is less than convenient in the case that we w...
http://issues.apache.org/jira/browse/ACCUMULO-1777    Author: Adam Fuchs, 2013-10-15, 15:27
[ACCUMULO-1755] BatchWriter blocks all addMutation calls while binning mutations - Accumulo - [issue]
...Through code inspection, we found that the BatchWriter bins mutations inside of a synchronized block that covers calls to addMutation. Binning potentially involves lookups of tablet metadata...
http://issues.apache.org/jira/browse/ACCUMULO-1755    Author: Adam Fuchs, 2013-10-07, 21:35
[ACCUMULO-1754] support scale-up behavior in BatchWriter - Accumulo - [issue]
...The o.a.a.client.impl.TabletServerBatchWriter currently limits write threads to one per server. Some people want to use Accumulo on beefy servers where sending one batch at a time is a bottl...
http://issues.apache.org/jira/browse/ACCUMULO-1754    Author: Adam Fuchs, 2013-10-07, 21:28
[ACCUMULO-1753] evaluate options for optimizing a SortedKeyValueIterator-like API on the client side - Accumulo - [issue]
...Currently, there is a significant performance difference between running something like the IntersectingIterator in the TabletServer vs. in the ClientSideIteratorScanner, even on a single no...
http://issues.apache.org/jira/browse/ACCUMULO-1753    Author: Adam Fuchs, 2013-10-07, 15:45
[ACCUMULO-1696] deep copy in the compaction scope iterators can throw off the stats - Accumulo - [issue]
...When application-level iterators deep copy the source iterator in a major compaction, the stats can be significantly off. We count two things in a major compaction:1. Entries read. This is d...
http://issues.apache.org/jira/browse/ACCUMULO-1696    Author: Adam Fuchs, 2013-09-06, 23:40
[ACCUMULO-980] support pluggable codecs for RFile - Accumulo - [issue]
...As part of the encryption at rest story, RFile should support pluggable modules where it currently has hardcoded options for compression codecs. This is a natural place to add encryption cap...
http://issues.apache.org/jira/browse/ACCUMULO-980    Author: Adam Fuchs, 2013-09-03, 22:41
[ACCUMULO-1488] support BigDecimal encoding for basic built-in combiners - Accumulo - [issue]
...Support sum, min, and max operations for decimal numbers using the java.math.BigDecimal String encoding and decoding functions (BigDecimal.toString() and BigDecimal(String))....
http://issues.apache.org/jira/browse/ACCUMULO-1488    Author: Adam Fuchs, 2013-06-17, 01:44
[ACCUMULO-416] reevaluate limiting the number of open files given HDFS improvements - Accumulo - [issue]
...Tablet servers limit the number of files that can be opened for scans and for major compactions. The two main reasons for this limit was to reduce our impact on HDFS, primarily regarding con...
http://issues.apache.org/jira/browse/ACCUMULO-416    Author: Adam Fuchs, 2013-06-05, 22:05
[ACCUMULO-1424] proxy TFramedTransport max size too small (should be configurable) - Accumulo - [issue]
...The TFramedTransport used by the proxy is limited by default to a 16MB max frame size. Messages bigger than that will be rejected by the server. This size should be configurable....
http://issues.apache.org/jira/browse/ACCUMULO-1424    Author: Adam Fuchs, 2013-05-25, 02:23
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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