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Re: HBase snapshot export - mappers - HBase - [mail # user]
...to make it simple, the number of mappers is the number of "machines" that you want to use. each machine will get N files to copy based on: total files to export / nmappers  Matteo  ...
   Author: Matteo Bertozzi, 2013-12-05, 14:01
[HBASE-9978] The client retries even if the method is not present on the server - HBase - [issue]
...If the RpcServer is not able to find the method on the server throws an UnsupportedOperationException, but since is not wrapped in a DoNotRetry the client keeps retrying even if the operatio...
http://issues.apache.org/jira/browse/HBASE-9978    Author: Matteo Bertozzi, 2013-12-02, 17:12
[HBASE-9890] MR jobs are not working if started by a delegated user - HBase - [issue]
...If Map-Reduce jobs are started with by a proxy user that has already the delegation tokens, we get an exception on "obtain token" since the proxy user doesn't have the kerberos auth.For exam...
http://issues.apache.org/jira/browse/HBASE-9890    Author: Matteo Bertozzi, 2013-11-26, 05:53
Re: HBase snapshots - HBase - [mail # user]
...Due to the nature of hbase, when hfiles gets compacted your table will not share files with the snapshot causing the next snapshot to don't share hfiles (or share a few) with the previous sn...
   Author: Matteo Bertozzi, 2013-11-19, 17:13
Re: Hadoop version trunk dependency? - HBase - [mail # dev]
...for the fs.defaultFS we have FSUtils.setFsDefault() used by most of the code https://github.com/apache/hbase/blob/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java#L...
   Author: Matteo Bertozzi, 2013-11-11, 17:52
Re: ExportSnapshot very slow. bug? - HBase - [mail # user]
...if you have a patch to parallelize that, feel free to post a patch and it will probably be integrated. The idea was to replace the multiple empty files with few small manifests HBASE-7987.. ...
   Author: Matteo Bertozzi, 2013-11-08, 19:43
Re: mvn command to compile CDH4.4 HBase - HBase - [mail # user]
...that is the right way to build, but it looks like you've problems downloading the dependencies. could you try to add -Dmaven.wagon.http.ssl.insecure=true -Dmaven.wagon.http.ssl.allowall=true...
   Author: Matteo Bertozzi, 2013-11-05, 16:03
Re: snapshot export failure - HBase - [mail # user]
...could you re-run the ExportSnapshot and post the output? also could you check the exit code? echo $?   Matteo    On Tue, Oct 29, 2013 at 10:29 PM, Cooper Bethea wrote:  ...
   Author: Matteo Bertozzi, 2013-10-29, 22:35
[HBASE-9770] HFilePerformanceEvaluation is using the wrong Comparator - HBase - [issue]
...HBASE-9262 changed the default comparator but the HFilePerformanceEvaluation tool code was not changed. so now the results has errors......ERROR [main] hbase.KeyValue: Unexpected getShortMid...
http://issues.apache.org/jira/browse/HBASE-9770    Author: Matteo Bertozzi, 2013-10-16, 14:13
[HBASE-9735] region_mover.rb uses the removed HConnection.getZooKeeperWatcher() method - HBase - [issue]
...Aleksandr Shulman found that region_mover.rb is using HConnection.getZooKeeperWatcher(), which is deprecated in 94 and removed in 96.14:02:34  2013-09-16 14:02:34,945 INFO  [main] ...
http://issues.apache.org/jira/browse/HBASE-9735    Author: Matteo Bertozzi, 2013-10-10, 03:42
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