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[HBASE-12579] Move obtainAuthTokenForJob() methods out of User - HBase - [issue]
...The User class currently contains some utility methods to obtain HBase authentication tokens for the given user.  However, these methods initiate an RPC to the TokenProvider coprocessor...
http://issues.apache.org/jira/browse/HBASE-12579    Author: Gary Helmling, 2014-11-25, 23:03
[HBASE-12578] Change TokenProvider to a SingletonCoprocessorService - HBase - [issue]
...The TokenProvider coprocessor service, which is responsible for issuing HBase delegation tokens, currently runs a region endpoint.  In the security documentation, we recommend configuri...
http://issues.apache.org/jira/browse/HBASE-12578    Author: Gary Helmling, 2014-11-25, 23:03
[HBASE-11130] Add support for Master endpoint coprocessors - HBase - [issue]
...Currently master coprocessors can only function as observers.  However, it would be useful in some cases, especially with "system" tables moving to be served by the master, for master c...
http://issues.apache.org/jira/browse/HBASE-11130    Author: Gary Helmling, 2014-11-25, 22:39
Re: Programmatic HBase version detection/extraction - HBase - [mail # user]
...Yes, you can use the org.apache.hadoop.hbase.util.VersionInfo class.From java code, you can use VersionInfo.getVersion().  From shellscripts, you can just run "hbase version" and parse ...
   Author: Gary Helmling, 2014-11-12, 21:45
[expand - 1 more] - Re: How to deploy coprocessor via HDFS - HBase - [mail # user]
...If you are configuring the coprocessor viahbase.coprocessor.region.classes, then it is a region endpoint.For the moment, only table-configured coprocessors support loadingfrom a jar file in ...
   Author: Gary Helmling, 2014-10-27, 23:23
Re: A Chome extension for rendering patch on JIRA - HBase - [mail # dev]
...Great stuff!  Thank you, David!On Fri, Oct 10, 2014 at 5:21 PM, Stack  wrote: ...
   Author: Gary Helmling, 2014-10-11, 00:36
Re: hbase Observer POST PUT coprocesor not working - HBase - [mail # dev]
...Do you see this log message from the start() method in your regionserver logs?        LOG.info("(start)");If you don't see this, then there has been some problem loa...
   Author: Gary Helmling, 2014-10-06, 19:18
[ANNOUNCE] Tephra 0.3.0 Release - HBase - [mail # dev]
...Hi all,I'm happy to announce the 0.3.0 release of Tephra.This release is a renaming of the project from Continuuity Tephra toCask Tephra, and includes the following changes:* All packages ha...
   Author: Gary Helmling, 2014-09-26, 23:19
Re: Performance oddity between AWS instance sizes - HBase - [mail # user]
...What do you have HBASE_HEAPSIZE set to in hbase-env.sh?  Is itpossible that you're overcommitting memory and the instance isswapping?  Just a shot in the dark, but I see that the m...
   Author: Gary Helmling, 2014-09-18, 18:42
Re: adding new tokens to existing Hconnection instances - HBase - [mail # user]
...Authentication is only performed during RPC connection setup.  Sothere isn't really a concept of token expiration for an existing RPCconnection.  The connection will be authenticat...
   Author: Gary Helmling, 2014-09-10, 20:03
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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