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Bug in Ambari 1.5 and multi-homed hbase masters - Ambari - [mail # user]
...Hello,We need to add java.net.preferIPv4Stack=true to the HBASE_OPTS to overcome an old bug in Hadoop and IPv6, how can we do that? It appears in /etc/hbase/conf/hbase-env.cmd but when you l...
   Author: Chris Tarnas, 2014-05-16, 23:33
[HBASE-3307] Add checkAndPut to the Thrift API - HBase - [issue]
...It would be very useful to have the checkAndPut method available via the Thrift API. This would both allow for easier atomic updates as well as cut down on at least one Thrift roundtrip for ...
http://issues.apache.org/jira/browse/HBASE-3307    Author: Chris Tarnas, 2013-06-29, 14:02
[expand - 1 more] - Re: manually splitting Hlogs - HBase - [mail # user]
...Hi Stack,  Thanks, I have all the regions picked up now.  This particular cluster is on CDH3b4 (long story) but it is slated to be  upgraded next week.  Here is a clip fr...
   Author: Chris Tarnas, 2012-04-17, 18:28
[expand - 2 more] - Re: Writing MR-Job: Something like OracleReducer, JDBCReducer ... - HBase - [mail # user]
...But - if I may follow up on myself - I'll definitely keep my eyes more  open for times when we really don't need a reducer. I can see what you  are saying and that people should th...
   Author: Chris Tarnas, 2011-09-16, 22:34
[expand - 1 more] - Re: HBase and Cassandra on StackOverflow - HBase - [mail # user]
...Hi Andrew,  Would you mind if I paraphrase your responses on StackOverflow?  -chris  On Aug 30, 2011, at 2:47 AM, Andrew Purtell wrote:  is tiresome and rarely do blog po...
   Author: Chris Tarnas, 2011-08-30, 17:19
[expand - 1 more] - Re: how to make tuning for hbase (every couple of days hbase region sever/s crashe) - HBase - [mail # user]
...On Aug 25, 2011, at 1:55 AM, Oleg Ruchovets wrote:  in our tuning for  We run with 12-15GB of heap, 4 was only enough for us in very small test  DBs.  suitable  Hard...
   Author: Chris Tarnas, 2011-08-25, 15:41
Re: delete does not free hdd space - HBase - [mail # user]
...If you run a major_compact from the shell that should purge out deleted  records. By default the major compaction happens on every table every 24  hours.  -chris  On Aug ...
   Author: Chris Tarnas, 2011-08-25, 15:15
[expand - 3 more] - Re: Sorting question - HBase - [mail # user]
...That has worked well for me when I don't care about using printable characte rs.   -chris  On Aug 22, 2011, at 6:06 PM, Mark  wrote:  r normal character data I've found t...
   Author: Chris Tarnas, 2011-08-23, 02:20
Re: Mongo vs HBase - HBase - [mail # user]
...Hi Laurent,  Without more details on your schema and how you are finding that number  in your table it is impossible to fully answer the question. I suspect  what you are seei...
   Author: Chris Tarnas, 2011-08-10, 17:09
Re: Row-key design (was: GZ better than LZO?) - HBase - [mail # user]
...Glad to be able to help. You don't need fixed width fields to do range  scans, you just need delimiters that are lexicographically less than any  valid character in your fields. If...
   Author: Chris Tarnas, 2011-08-01, 16:36
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