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[HBASE-11724] Add to RWQueueRpcExecutor the ability to split get and scan handlers - HBase - [issue]
...RWQueueRpcExecutor has the devision between reads and writes requests, but we can split also small-reads and long-reads. This can be useful to force a deprioritization of scans on the RS....
http://issues.apache.org/jira/browse/HBASE-11724    Author: Matteo Bertozzi, 2014-08-20, 15:06
[HBASE-11185] Parallelize Snapshot operations - HBase - [issue]
...when SnapshotInfo or snapshot verification is executed against a remote path, it may takes a while since all the code is mainly composed by sequential calls to the fs.This patch will paralle...
http://issues.apache.org/jira/browse/HBASE-11185    Author: Matteo Bertozzi, 2014-08-20, 09:29
[HBASE-7987] Snapshot Manifest file instead of multiple empty files - HBase - [issue]
...Currently taking a snapshot means creating one empty file for each file in the source table directory, plus copying the .regioninfo file for each region, the table descriptor file and a snap...
http://issues.apache.org/jira/browse/HBASE-7987    Author: Matteo Bertozzi, 2014-08-20, 09:29
[HBASE-11733] Avoid copy-paste in Master/Region CoprocessorHost - HBase - [issue]
...all the methods of MasterCoprocessorHost and RegionCoprocessorHost are copy-paste, and a couple of them have some missing fixes.The body of each function is the same, the only difference is ...
http://issues.apache.org/jira/browse/HBASE-11733    Author: Matteo Bertozzi, 2014-08-16, 11:50
[HBASE-11755] VisibilityController returns the wrong value for preBalanceSwitch() - HBase - [issue]
...VisibilityController returns false instead of the newValue for the preBalanceSwitch() call.VisibilityController extends both RegionObserver and MasterObserver, unfortunately only 1 of the tw...
http://issues.apache.org/jira/browse/HBASE-11755    Author: Matteo Bertozzi, 2014-08-16, 00:48
Re: Permission about table snapshot operations - HBase - [mail # dev]
...I'm +1 to change preSnapshot() to allow global admin and table admin.but unless you add a "owner" to the SnapshotDescriptor, only a global admincan perform restore, clone or delete.MatteoOn ...
   Author: Matteo Bertozzi, 2014-08-15, 13:17
Re: Hbase Scan/Snapshot Performance... - HBase - [mail # user]
...There is HBASE-10935, included in  0.94.21 where you can specify to skipthe memstore flush and the result will be the online version of an "offlinesnapshot"snapshot 'sourceTable', 'snap...
   Author: Matteo Bertozzi, 2014-08-12, 22:12
[HBASE-5841] hbase shell translate_hbase_exceptions() rely on table name as first argument - HBase - [issue]
...shell/commands.rb translate_hbase_exceptions() rely on the fact that the table name is the first argument.This is true for many of the commands but for example: grant(user, rights, table_nam...
http://issues.apache.org/jira/browse/HBASE-5841    Author: Matteo Bertozzi, 2014-08-12, 21:47
[HBASE-10994] HBase Multi-Tenancy - HBase - [issue]
...Currently HBase treats all tables, users, and workloads in the same way.This is ok, until multiple users and workloads are applied on the same cluster/table. Some workloads/users must be pri...
http://issues.apache.org/jira/browse/HBASE-10994    Author: Matteo Bertozzi, 2014-08-12, 16:37
[HBASE-7156] Add Data Block Encoding and -D opts to Performance Evaluation - HBase - [issue]
...Add the ability to specify Data Block Encoding and other configuration options.--blockEncoding=TYPE-D <property=value>Example:hbase org.apache.hadoop.hbase.PerformanceEvaluation -D map...
http://issues.apache.org/jira/browse/HBASE-7156    Author: Matteo Bertozzi, 2014-08-08, 04:08
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB