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[expand - 1 more] - Re: Consistent Backup strategy - HBase - [mail # user]
...If you can rely on timestamps, you can use the Export tool as showed in the blog post without problem. The Export cmdline interface is not changed.  Matteo    On Mon, Dec 23, ...
   Author: Matteo Bertozzi, 2013-12-23, 20:31
Re: HBase aggregation for sum - HBase - [mail # user]
...On Thu, Dec 19, 2013 at 9:05 AM, james isaac  wrote:   An "int" is serialized as 4 bytes, a "long" as 8 bytes...  The size of the value is checked and expected to be 8 bytes (...
   Author: Matteo Bertozzi, 2013-12-19, 18:25
[HBASE-7108] Don't use legal family name for system folder at region level - HBase - [issue]
...CHANGED, was: Don't allow "recovered.edits" as legal family nameRegion directories can contain folders called "recovered.edits", log splitting related.But there's nothing that prevent a user...
http://issues.apache.org/jira/browse/HBASE-7108    Author: Matteo Bertozzi, 2013-12-16, 20:12
[expand - 1 more] - Re: HBase 0.94.10 snapshot FileNotFoundException exception - HBase - [mail # user]
...Hi,  thank you for the follow up.  The problem is related to a bug in the name resolution of a "clone" (that in your case the is the restore of a snapshot of a restored table). Thi...
   Author: Matteo Bertozzi, 2013-12-10, 10:39
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
[expand - 1 more] - 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
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