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Re: Optimizing Accumulo for read performance - Accumulo - [mail # user]
...When you say schema, do you mean key schema? If so, why are you repeating the node id?  Locality groups would help if you have larger swaths of data you wanted to group together and que...
   Author: William Slacum, 2013-11-06, 14:58
Re: How to remove entire row at the server side? - Accumulo - [mail # user]
...If an iterator is only set at scan time, then its logic will only be applied when a client scans the table. The data will persist through major and minor compaction and be visible if you sca...
   Author: William Slacum, 2013-11-06, 02:48
[ACCUMULO-1228] Allow clients to disable column families and locality groups - Accumulo - [issue]
...There's an inconsistency between what a server is capable of and what a client can tell it to do with respect to fetching column families.Currently, a user can tell a Scanner to fetch some s...
http://issues.apache.org/jira/browse/ACCUMULO-1228    Author: William Slacum, 2013-10-25, 21:34
Re: [DISCUSS] Hadoop 2 and Accumulo 1.6.0 - Accumulo - [mail # user]
...There wasn't any discussions in those tickets as to what Hadoop 2 provides Accumulo. If we're going to still support 1, then any new features only possible with 2 have to become optional unt...
   Author: William Slacum, 2013-10-24, 04:51
Re: Trouble with IntersectingIterator - Accumulo - [mail # user]
...That iterator is designed to be used with a sharded table format, where in the index and record each occur within the same row. See the Accumulo examples page http://accumulo.apache.org/1.4/...
   Author: William Slacum, 2013-10-01, 19:48
Re: [VOTE] 1.6.0 Feature freeze. - Accumulo - [mail # dev]
...Plus One   On Fri, Sep 27, 2013 at 5:02 PM, Mike Drob  wrote:  ...
   Author: William Slacum, 2013-09-28, 18:04
[ACCUMULO-1252] Race condition in BulkImport causes ConcurrentModificationException - Accumulo - [issue]
...The LoadFiles class gets a synchronized list of files to import and, while iterating over that list, creates another list of Callable's. If the list of files to load is long enough, it's pos...
http://issues.apache.org/jira/browse/ACCUMULO-1252    Author: William Slacum, 2013-09-05, 14:03
Re: How do I use scan - Accumulo - [mail # dev]
...You could use an indexing strategy such as a term index or a sharded index. I know there's an example for the sharded index packaged with Accumulo.   On Mon, Aug 19, 2013 at 4:28 PM, Ri...
   Author: William Slacum, 2013-08-19, 20:44
Re: Intersecting Iterators [SEC=UNCLASSIFIED] - Accumulo - [mail # user]
...Usually the intersecting iterator is used when you're modeling a document partitioned table. That is, you have relatively few row values compared to the number of documents you're storing (l...
   Author: William Slacum, 2013-08-14, 06:33
Re: How to efficiently find lexicographically adjacent records? - Accumulo - [mail # user]
...Finding the keys after your hypothetical key is easy, as you can just make it the first key in the range you pass to your Scanner. Since accumulo doesn't do backwards scanning, you might hav...
   Author: William Slacum, 2013-08-07, 21:40
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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