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Re: Random reads are 5x faster in 0.96.0! Or not - HBase - [mail # dev]
...hi, J-D,  It is a very exciting improvement. If we'd like to make 0.94 user benefit from this, will backport HBASE-7008 be good enough, code wise? Certainly, more testing is needed to g...
   Author: Demai Ni, 2013-09-24, 17:13
[expand - 1 more] - Re: hbase regionserver fail over -- how long it will take? - HBase - [mail # user]
...Ted,   Thanks a lot. I will look into it  Demai on the run  On Sep 20, 2013, at 8:44 PM, Ted Yu  wrote:  ...
   Author: Demai Ni, 2013-09-21, 04:02
[expand - 1 more] - Re: [Question: replication] why only one regionserver is used during replication? 0.94.9 - HBase - [mail # user]
...J-D, thanks for the tip.   On Tue, Aug 27, 2013 at 11:40 AM, Jean-Daniel Cryans wrote:  ...
   Author: Demai Ni, 2013-08-27, 19:33
[expand - 2 more] - Re: [question] command line to get replication metrics info - HBase - [mail # dev]
...JD and all,  I have been looking into the shell "status" command in the past couple days. "status 'replication'" sound a good way to display the info to users. So I will follow the exte...
   Author: Demai Ni, 2013-08-21, 17:30
[expand - 1 more] - Re: I am curious how to find hbase replication lag - HBase - [mail # user]
...Vladimir,  I have heard about your approach, kind of a column/timestamper marker, is implemented by some companies. it is certainly a valid approach, and I am also looking into this dir...
   Author: Demai Ni, 2013-08-19, 21:43
[expand - 5 more] - Re: how to get ZooKeeperWatcher info ? - HBase - [mail # dev]
...yeah. the tool will be applied when hbase on master cluster is down. In the case that user decides not to restart hbase(for whatever reason), the tool will be used to push the pending Edits ...
   Author: Demai Ni, 2013-08-19, 18:16
[HBASE-8663] a HBase Shell command to list the tables replicated from current cluster - HBase - [issue]
...Thanks for the discussion and very good suggestions,I'd reduce the scope of this jira to only display the tables replicated from current cluster. Since currently no good(accurate and consist...
http://issues.apache.org/jira/browse/HBASE-8663    Author: Demai Ni, 2013-08-14, 22:30
[HBASE-9220] An API(and shell command) to list tables replicated TO the current cluster - HBase - [issue]
...This JIRA to track the continuous discussion following HBASE-8663, and hopefully surface a better way to handle the use case: an administrator or developer,  who has 'list table' access...
http://issues.apache.org/jira/browse/HBASE-9220    Author: Demai Ni, 2013-08-14, 22:28
[HBASE-8771] ensure replication_scope's value is either local(0) or global(1) - HBase - [issue]
...For replication_scope, only two values are meaningful:   public static final int REPLICATION_SCOPE_LOCAL = 0;  public static final int REPLICATION_SCOPE_GLOBAL = 1;&...
http://issues.apache.org/jira/browse/HBASE-8771    Author: Demai Ni, 2013-08-02, 05:08
[expand - 3 more] - Re: [question about replication] how to apply delta from Master to Slave after crash ? - HBase - [mail # dev]
...JD, thanks for the jira and further explanation. for some reason, I was always thinking about 'pull' while considering the solution. Certainly 'push' the natural way to address this on Apach...
   Author: Demai Ni, 2013-07-26, 20:29
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