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[HBase 96.x] getter in MetricsSource, MetricsReplicationSource, BaseSourceImpl and BaseSource - HBase - [mail # dev]
...Dear dev,  I am wondering how to get some metrics values set inside MetricsSource.java. Particularly, I am interest in this "MetricsReplicationSource rms".  Inside MetricsSource.ja...
   Author: Demai Ni, 2013-12-12, 00:51
[HBASE-10099] javadoc warning introduced by LabelExpander 188: warning - @return tag has no arguments - HBase - [issue]
...src/main/java/org/apache/hadoop/hbase/mapreduce/LabelExpander.java:188: warning - @return tag has no arguments...
http://issues.apache.org/jira/browse/HBASE-10099    Author: Demai Ni, 2013-12-08, 21:30
how to add a field in HServerLoad (readFields() and write()) without break compatibility within same major release? - HBase - [mail # dev]
...hi, folks,  I encountered a similar problem that fixed by HBASE-5795. But in this case, the cluster is hbase 0.94.9, and the downlevel client is 0.94.3. Does this mean that we cannot ad...
   Author: Demai Ni, 2013-11-14, 00:35
Re: Not able to get data if Master cluster goes down in case of data replication - HBase - [mail # user]
...Hanish,  I guess you are looking for hbase to automatically switch to the 2nd cluster. Unfortunately, that is not the architecture design of replication. And I think many of such design...
   Author: Demai Ni, 2013-11-13, 18:00
Re: HBase Replication Progress - HBase - [mail # user]
...Kevin,  from your requirement, I think the 'snapshot' feature with export will work better. Here is some info: http://hbase.apache.org/book/ops.snapshots.html to fully benefit from this...
   Author: Demai Ni, 2013-11-12, 00:18
Re: Setting up NxN replication - HBase - [mail # user]
...Ishan,  "Coming to Demai‚Äôs suggestion of M-M to 2 instead of 9, i still want to have the data available from 1 to all clusters. How would I do it with your setup?".  If I understan...
   Author: Demai Ni, 2013-11-09, 02:55
Re: how long the Hadoop-QA result is kept available? - HBase - [mail # dev]
...cool. Thanks!... Demai   On Thu, Nov 7, 2013 at 3:28 PM, Ted Yu  wrote:  ...
   Author: Demai Ni, 2013-11-07, 23:37
[Question] replication got impact by zoo.cfg (if put under ./hbase/conf) - HBase - [mail # dev]
...hi, folks,  I encountered a problem last week that my cluster was replicating to itself. The problem was discussed and described here: http://mail-archives.apache.org/mod_mbox/hbase-dev...
   Author: Demai Ni, 2013-11-04, 22:37
Re: replicating to oneself? - HBase - [mail # dev]
...the problem is figured out by one of my co-worker. Someone put a zoo.cfg under ./hbase/conf, which messed up the quorum look up.  many thanks for your help   On Fri, Nov 1, 2013 at...
   Author: Demai Ni, 2013-11-01, 21:19
Re: HBase Replication Questions - HBase - [mail # user]
...1)  you can use replication metrics info such as:ageOfLastShippedOp, timeStampsOfLastShippedOp, sizeOfLogQueue ageOfLastAppliedOp, and timeStampsOfLastAppliedOp to figure out the lag. 2...
   Author: Demai Ni, 2013-10-28, 21:45
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