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[HBASE-10950] Add  a configuration point for MaxVersion of Column Family - HBase - [issue]
...Starting on 0.96.0.  HColumnDescriptor.DEFAULT_VERSIONS change to 1 from 3. So a columnfamily will be default have 1 version of data. Currently a user can specifiy the maxVersion during...
http://issues.apache.org/jira/browse/HBASE-10950    Author: Demai Ni, 2014-04-19, 22:09
Re: a way to record # of rows 'deleted' due to TTL - HBase - [mail # dev]
...Lars,thanks a lot for the tip. seems not a straightforward one. I will look intoExplicitColumnTracker and ScanQueryMatcher. I agree compaction time may bea good idea.DemaiOn Fri, Apr 18, 201...
   Author: Demai Ni, 2014-04-19, 00:01
[HBASE-10900] FULL table backup and restore - HBase - [issue]
...Feature DescriptionThis is a subtask of HBase-7912 to support FULL backup/restore, and will complete the following function:Backup Restore example/* backup from sourcecluster to targetcluste...
http://issues.apache.org/jira/browse/HBASE-10900    Author: Demai Ni, 2014-04-17, 19:31
[HBASE-10941] default for max version isn't updated in doc after change on 0.96 - HBase - [issue]
...HColumnDescriptor.DEFAULT_VERSIONS  change to 1 from 3 since 0.96. But webpage http://hbase.apache.org/book/schema.versions.html hasn't reflected it yet....
http://issues.apache.org/jira/browse/HBASE-10941    Author: Demai Ni, 2014-04-09, 18:58
Re: 答复: 答复: HBase Replication - Addition alone - HBase - [mail # user]
...Manthosh,not sure doing replication periodically is the right way to go. I assumeyou will manually start/stop replication from Master?anyway, if it fits your business needs, give it a shoot....
   Author: Demai Ni, 2014-04-09, 15:36
Re: no-flush based snapshot policy? - HBase - [mail # user]
...Ted,you are right. We are targeting HBASE-7912 to 1.0 and 0.98, which 1.0 asthe priority for now.  :-)BTW, we have some code to leverage HBASE-9426 so that we can go distributedLOG roll...
   Author: Demai Ni, 2014-04-03, 16:27
Re: What is the best practice for backup HBase data? - HBase - [mail # user]
...we are working on a backup/restore solution inhttps://issues.apache.org/jira/browse/HBASE-7912, which will use snapshotand exportsnapshot for full backup and also use WALPlayer for increment...
   Author: Demai Ni, 2014-04-03, 16:21
[HBASE-10812] Backport HBASE-9426(Make custom distributed barrier procedure pluggable)  to 0.98.x - HBase - [issue]
...Backport HBASE-9426 to better leverage snopshot feature on 0.98.x.We(IBM) are in process to open source our solution of Backup/Restore through HBASE-7912.  The solution is  using d...
http://issues.apache.org/jira/browse/HBASE-10812    Author: Demai Ni, 2014-03-25, 04:47
[HBASE-10793] AuthFailed as a valid zookeeper state - HBase - [issue]
...In kerberos mode, Zookeeper accepts SASL authentication. The AuthFailed message indicates the client could not be authenticated, but it should proceed anyway, because only access to znodes t...
http://issues.apache.org/jira/browse/HBASE-10793    Author: Demai Ni, 2014-03-24, 19:01
Re: How much time HBase will take if one Region Server down. - HBase - [mail # user]
...Lars, Thanks for the info. It looks more like ~10min without tuning? Btw,my testing was on Hadoop 1Demai on the runOn Mar 20, 2014, at 11:20 PM, lars hofhansl  wrote: ...
   Author: Demai Ni, 2014-03-21, 06:41
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