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[HBASE-11653] RegionObserver coprocessor cannot override KeyValue values in prePut() - HBase - [issue]
...Due to a bug in HRegion.internalPut(), any modifications that a RegionObserver makes to a Put's family map in the prePut() hook are lost.This prevents coprocessors from modifying the values ...
http://issues.apache.org/jira/browse/HBASE-11653    Author: Gary Helmling, 2014-08-02, 04:26
[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, 2014-07-26, 23:05
ANNOUNCE: Tephra for HBase transactions - HBase - [mail # dev]
...Hi all,I would like to introduce a new open source project, Continuuity Tephra,which provides scalable, distributed transactions for Apache HBase.Tephra provides "snapshot isolation" for con...
   Author: Gary Helmling, 2014-07-19, 07:46
Re: Themis : implements cross-row/corss-table transaction on HBase. - HBase - [mail # dev]
...Hi Jianwei,You may also want to take a look at the generic client transaction APIbeing proposed in HBASE-11447:https://issues.apache.org/jira/browse/HBASE-11447I think it would be useful to ...
   Author: Gary Helmling, 2014-07-08, 17:05
Re: problem access security hbase - HBase - [mail # user]
...Hi Cheney,If you are obtaining kerberos credentials outside of your program (ie.kinit), then you can use k5start, which will run your program afterperforming a kinit and has a variety of opt...
2 emails [+ more]    Author: Gary Helmling, 2014-07-02, 05:57
Re: HBase 0.94.3 with ACL RS won't start - HBase - [mail # user]
...Hi Demai,Yes, even when using hbase.security.authentication=simple in 0.94, you needto use SecureRpcEngine.  The default WritableRpcEngine does not pass theusername to the server at all...
   Author: Gary Helmling, 2014-06-20, 17:26
[HBASE-7357] HBaseClient and HBaseServer should use hbase.security.authentication when negotiating authentication - HBase - [issue]
...This came up in the context of testing HBASE-6788.  Currently HBaseClient and HBaseServer call UserGroupInformation.isSecurityEnabled() when determining whether or not to use SASL to ne...
http://issues.apache.org/jira/browse/HBASE-7357    Author: Gary Helmling, 2014-06-09, 05:01
[HBASE-7394] Document security config requirements from HBASE-7357 - HBase - [issue]
...Running secure HBase has always effectively required setting both hbase.security.authentication and hadoop.security.authentication, but internal usage was inconsistent.  HBASE-7357 clea...
http://issues.apache.org/jira/browse/HBASE-7394    Author: Gary Helmling, 2014-06-09, 05:01
Re: VOTE: Move to GIT - HBase - [mail # dev]
...+1On Mon, May 19, 2014 at 11:18 AM, Elliott Clark  wrote: ...
   Author: Gary Helmling, 2014-05-19, 19:06
[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, 2014-05-07, 18:11
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