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[ACCUMULO-675] WrappingIterator's seenSeek should be protected - Accumulo - [issue]
...In 1.3, the WrappingIterator was pretty much some boilerplate code. In 1.4 on, a package private boolean called seenSeek was added to help enforce the iterator contract.This causes some issu...
http://issues.apache.org/jira/browse/ACCUMULO-675    Author: William Slacum, 2012-09-07, 02:19
Re: TimeSpan Iterator - Accumulo - [mail # user]
...It could be inefficient if you can't narrow down your search of a table to specific ranges, via an index or some hint stored in the key that you can use to seek() around. You're left with do...
   Author: William Slacum, 2012-08-28, 17:02
Re: Large files in Accumulo - Accumulo - [mail # user]
...Are these RFiles as a whole? I know at some point HBase needed to have entire rows fit into memory; Accumulo does not have this restriction.  On Thu, Aug 23, 2012 at 12:55 PM, Cardon, T...
   Author: William Slacum, 2012-08-23, 20:06
Re: Custom Iterators - Accumulo - [mail # user]
...An or clause should be able to handle an enumeration of values, as that's supported in a JEXL expression. It would not, however, surprise me if those iterators could not handle multiple rows...
   Author: William Slacum, 2012-08-22, 20:59
Re: METADATA recovery - Accumulo - [mail # user]
...I know in trunk, the ability to run `./bin/accumulo rfile-info -d /accumulo/path/to/rfile`. If that's unavailable, you can run `./bin/accumulo org.apache.accumulo.core.file.rfile.PrintInfo -...
   Author: William Slacum, 2012-08-19, 12:24
Re: Using Accumulo as input to a MapReduce job frequently hangs due to lost Zookeeper connection - Accumulo - [mail # user]
...What does your TServer debug log say? Also, are you writing back out to Accumulo?  To follow up what Jim said, you can check the zookeeper log to see if max connections is being hit. Yo...
   Author: William Slacum, 2012-08-16, 11:24
Re: Accumulo Caching for benchmarking - Accumulo - [mail # user]
...Steve, I'm a little confused. The Rfile block cache is tied to a TServer, so if you kill a node, its cache should go away. Are you querying for the same data after you kill the node that hos...
   Author: William Slacum, 2012-08-04, 00:55
Re: Accumulo 1.4 Memory Issues - Accumulo - [mail # user]
...Is it the TServer bombing out or your client or both? How often are you flushing your writer?  On Thu, Aug 2, 2012 at 10:34 AM, Matt Parker  wrote:  ...
   Author: William Slacum, 2012-08-02, 17:49
Re: Keep Tables on Shutdown - Accumulo - [mail # user]
...You need to change the hdfs configuration file in $HADOOP_HOME/conf  The properties are dfs.data.dir and dfs.name.dir  On Fri, Jul 27, 2012 at 7:28 AM, Jonathan Hsu  wrote: &n...
   Author: William Slacum, 2012-07-27, 14:32
Re: Titan (graph database) Support For Accumulo? - Accumulo - [mail # user]
...Incredibly poor choice of words (and quoting) on my part. The idea was essentially "oh there's HBase code-- let's port it to Accumulo." The HBase code is advertised as "not ready for product...
   Author: William Slacum, 2012-07-20, 17:24
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