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[expand - 6 more] - scan column families with different time ranges - HBase - [mail # user]
...I have a table with 2 column families, call them A and B, with new dataregularly being added. They are very different sizes: B is 100x the size ofA.  Among other uses for this data, I h...
   Author: Dave Latham, 2015-08-01, 14:17
[HBASE-8778] Region assigments scan table directory making them slow for huge tables - HBase - [issue]
...On a table with 130k regions it takes about 3 seconds for a region server to open a region once it has been assigned.Watching the threads for a region server running 0.94.5 that is opening m...
http://issues.apache.org/jira/browse/HBASE-8778    Author: Dave Latham, 2015-07-31, 07:58
[HBASE-13788] Shell comands do not support column qualifiers containing colon (:) - HBase - [issue]
...The shell interprets the colon within the qualifier as a delimiter to a FORMATTER instead of part of the qualifier itself.Example from the mailing list:Hmph, I may have spoken too soon. I kn...
http://issues.apache.org/jira/browse/HBASE-13788    Author: Dave Latham, 2015-07-23, 20:08
Re: bulk load doubts - HBase - [mail # user]
...For #1, as Ted mentioned HDFS replication will work just fine with bulkloads.  What you may have read is that bulk loaded data won't be picked upby HBase replication.  If you are u...
   Author: Dave Latham, 2015-07-21, 14:58
Re: 0.98 patch acceptance criteria discussion - HBase - [mail # dev]
...My thoughts on the patches and versions issue.  Apologies as thisoverlaps some of what others said, since I got the notes in order.All of this stems from trying to make life easier for ...
   Author: Dave Latham, 2015-07-17, 15:27
Re: Regionservers going down during compaction - HBase - [mail # user]
...What JDK are you using?  I've seen such behavior when a machine wasswapping.  Can you tell if there was any swap in use?On Mon, Jul 13, 2015 at 3:24 AM, Ankit Singhal wrote:&n...
   Author: Dave Latham, 2015-07-13, 15:29
[HBASE-13639] SyncTable - rsync for HBase tables - HBase - [issue]
...Given HBase tables in remote clusters with similar but not identical data, efficiently update a target table such that the data in question is identical to a source table.  Efficiency i...
http://issues.apache.org/jira/browse/HBASE-13639    Author: Dave Latham, 2015-07-03, 18:44
[expand - 1 more] - Re: How to monitor and control heavy network traffic for region server - HBase - [mail # user]
...Hi Louis,Then your first plan should probably be to improve locality - get thatdata on to the local node.  You can do this by triggering a majorcompaction (which should be happening ove...
   Author: Dave Latham, 2015-06-11, 15:30
[HBASE-13638] Put copy constructor is shallow - HBase - [issue]
...The Put copy constructor ends up with Puts sharing Lists of Cells for the same family.  Adding a Cell to the copied Put affects the original Put also....
http://issues.apache.org/jira/browse/HBASE-13638    Author: Dave Latham, 2015-06-02, 01:40
[expand - 2 more] - Re: Issues with import from 0.92 into 0.98 - HBase - [mail # user]
...Sounds like quite a puzzle.You mentioned that you can read data written through manual Puts fromthe shell - but not data from the Import.  There must be somethingdifferent about the dat...
   Author: Dave Latham, 2015-05-27, 15:36
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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