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rf_tmp file [SEC=UNOFFICIAL] - Accumulo - [mail # user]
...UNOFFICIALWhat purpose does the nnnn.rf_tmp file on hdfs serve?  Its often 0kb size and there appear to be a lot of these older than the table ageoff filter.Can we safely remove these?T...
   Author: Dickson, Matt MR, 2014-08-07, 04:35
[expand - 2 more] - RE: List of unique qualifiers [SEC=UNOFFICIAL] - Accumulo - [mail # user]
...UNOFFICIAL  Thanks Keith.  I've run a simple mr job based on the UniqueColumns example, but due to the size of the table this is taking a very long time.  Is it possible to pr...
   Author: Dickson, Matt MR, 2014-01-16, 00:29
Version 1.6 release [SEC=UNOFFICIAL] - Accumulo - [mail # user]
...UNOFFICIAL  Is there a date for Accumulo 1.6 to be released?  The jira release date states November 2013.  Matt...
   Author: Dickson, Matt MR, 2014-01-09, 22:06
MetadataConstraints Exception [SEC=UNOFFICIAL] - Accumulo - [mail # user]
...UNOFFICIAL  I'm seeing the following error in the Accumulo log:  error sending update to xxx.xxx.xxx.xxx: ConstraintVioloationException(violationSumaries:[TConstraintViolationSumma...
   Author: Dickson, Matt MR, 2014-01-08, 03:03
Ageoff filter not running on old tablets [SEC=UNOFFICIAL] - Accumulo - [mail # user]
...UNOFFICIAL  Hi,  We have data ingested in a date partitioned table, ie splits are created for each day in the form yyyymmdd-nnn where n is a random number appended to ensure the da...
   Author: Dickson, Matt MR, 2013-11-06, 22:07
Bulk Ingest data latency [SEC=UNOFFICIAL] - Accumulo - [mail # user]
...UNOFFICIAL   When doing a bulk ingest and importing a directory of rfiles, should the new data be available immediately or do I need to trigger a compaction to bring the new data online...
   Author: Dickson, Matt MR, 2013-10-18, 00:35
[expand - 5 more] - RE: Efficient Tablet Merging [SEC=UNOFFICIAL] - Accumulo - [mail # user]
...UNOFFICIAL  Hi Eric, Our answers are in blue. Just a note that we do have the write ahead log disabled for ingest performance. We have a public holiday on Monday, so we may be delayed i...
   Author: Dickson, Matt MR, 2013-10-04, 03:20
[expand - 1 more] - RE: Cancel a compact [SEC=UNOFFICIAL] - Accumulo - [mail # user]
...UNOFFICIAL  I found the "compact --cancel" option which appears to have worked.  Thanks for the responses.  ________________________________ From: Sean Busbey [mailto:[EMAIL P...
   Author: Dickson, Matt MR, 2013-10-02, 02:23
Merge Tablets [SEC=UNOFFICIAL] - Accumulo - [mail # user]
...UNOFFICIAL  I have a table with 125K tablets and would like to merge the smaller tablets together.  The documentation states;  Merging away small tablets works on one section ...
   Author: Dickson, Matt MR, 2013-10-01, 03:17
[expand - 4 more] - RE: Assigned and hosted Error [SEC=UNOFFICIAL] - Accumulo - [mail # user]
...UNOFFICIAL  After running the following delete on the !METADATA table everything is running again as normal.  deletemany -b 3n;nnnnnnn -e 3n;nnnnnnnn -c future,loc  Thanks aga...
   Author: Dickson, Matt MR, 2013-10-01, 02:54
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Dickson, Matt MR
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