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[HBASE-4475] When running an embedded ThriftServer, use User.runAs() to allow it to run as a separate principal from the embedding region server - HBase - [issue]
...As discussed over in HBASE-4460, the current approach to ThriftServer authentication (provided in HBASE-4099) will not work in an embedded context, since the region server will already does ...
http://issues.apache.org/jira/browse/HBASE-4475    Author: Gary Helmling, 2014-12-24, 19:51
[HBASE-4426] Provide an internal HBaseAdmin-like API for coprocessors to use - HBase - [issue]
...Currently the coprocessor framework provides implementations with access to wrapped HTable instances for reading and writing data.  This gives us a stable public interface to expose to ...
http://issues.apache.org/jira/browse/HBASE-4426    Author: Gary Helmling, 2014-12-24, 19:50
Re: NumTables/regions Quota management and RS groups - Core or coprocessors - HBase - [mail # dev]
...I agree that quotas are a core issue.It might be worth looking at why these features are easier to build ascoprocessors though (assuming that's true).  Could we be providing cleanersepa...
   Author: Gary Helmling, 2014-12-05, 22:22
[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
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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