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[HBASE-11292] Add an "undelete" operation - HBase - [issue]
...While column families can be configured to keep deleted cells (allowing time range queries to still retrieve those cells), deletes are still somewhat unique in that they are irreversible ope...
http://issues.apache.org/jira/browse/HBASE-11292    Author: Gary Helmling, 2015-01-17, 06:43
Re: [VOTE] htrace-3.1.0, the "thank you for your patience", eighth release candidate - HBase - [mail # dev]
...Did you mean to send to [EMAIL PROTECTED] instead of[EMAIL PROTECTED]?  Or are you cc'ing us here as an FYI of the new RC?On Tue, Jan 13, 2015 at 9:04 PM, Stack  wrote: ...
   Author: Gary Helmling, 2015-01-14, 23:10
[expand - 1 more] - Re: 1 table, 1 dense CF => N tables, 1 dense CF ? - HBase - [mail # user]
...ScanType is a parameter of RegionObserver preCompact() andpreCompactScannerOpen().  It seems like anything we are explicitlyproviding to coprocessor hooks should be LimitedPrivate.On Fr...
   Author: Gary Helmling, 2015-01-09, 21:02
[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
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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