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[HBASE-8155] Allow Record Compression for HLogs - HBase - [issue]
...While HBASE-4608 allows for Key-intelligent log compression & custom extensions, Hadoop already allows for native compression support with SequenceFile.  We should allow the user to...
http://issues.apache.org/jira/browse/HBASE-8155    Author: Nicolas Spiegelberg, 2013-04-25, 21:25
[HBASE-8423] Allow Major Compaction to Use Different Compression - HBase - [issue]
...For the Messages use case, ~90% of the disk util is associated with major compacted files but less than 33% of the get IOPS are due to mc files.  Allowing a different compaction algorit...
http://issues.apache.org/jira/browse/HBASE-8423    Author: Nicolas Spiegelberg, 2013-04-25, 20:05
[HBASE-4910] thrift scannerstopwithfilter not honoring stop row - HBase - [issue]
...Moving issue w/ no recent movement out of 0.95...
http://issues.apache.org/jira/browse/HBASE-4910    Author: Nicolas Spiegelberg, 2013-04-24, 00:37
[HBASE-4914] Enhance MapReduce TableInputFormat to Support N-mappers per Region - HBase - [issue]
...Current TableInputFormat based MR jobs create exactly one mapper per region where each mapper sets one Scan with appropriate start/stop row keys. This change allows jobs to be run with any n...
http://issues.apache.org/jira/browse/HBASE-4914    Author: Nicolas Spiegelberg, 2013-04-24, 00:36
[HBASE-2827] HBase Client doesn't handle master failover - HBase - [issue]
...A client on our beta tier was stuck in this exception loop when we issued a new HMaster after the old one died:Exception while trying to connect hBasejava.lang.reflect.UndeclaredThrowableExc...
http://issues.apache.org/jira/browse/HBASE-2827    Author: Nicolas Spiegelberg, 2013-04-15, 23:45
[HBASE-5890] SplitLog Rescan BusyWaits upon Zk.CONNECTIONLOSS - HBase - [issue]
...We ran into a production issue yesterday where the SplitLogManager tried to create a Rescan node in ZK.  The createAsync() generated a KeeperException.CONNECTIONLOSS that was immedately...
http://issues.apache.org/jira/browse/HBASE-5890    Author: Nicolas Spiegelberg, 2013-04-02, 23:20
[HBASE-5335] Dynamic Schema Configurations - HBase - [issue]
...Currently, the ability for a core developer to add per-table & per-CF configuration settings is very heavyweight.  You need to add a reserved keyword all the way up the stack & ...
http://issues.apache.org/jira/browse/HBASE-5335    Author: Nicolas Spiegelberg, 2013-03-29, 23:17
[HBASE-4802] Disable show table metrics in bulk loader - HBase - [issue]
...During bulk load, the Configuration object may be set to null.  This caused an NPE in per-CF metrics because it consults the Configuration to determine whether to show the Table name. &...
http://issues.apache.org/jira/browse/HBASE-4802    Author: Nicolas Spiegelberg, 2013-02-26, 18:51
[HBASE-4769] Abort RegionServer Immediately on OOME - HBase - [issue]
...Currently, when the HRegionServer runs out of the memory, it will call master, which will cause more heap allocations and throw a second exception that it's run out of memory again. The easi...
http://issues.apache.org/jira/browse/HBASE-4769    Author: Nicolas Spiegelberg, 2013-02-20, 11:40
[HBASE-5972] RegionServer Hangs on Compaction upon NameNode Death - HBase - [issue]
...Noticed 20-minute hangs when doing a namenode kill test on our production shadow cluster. All regionservers terminated except one, which got stuck with the following. There might be some rac...
http://issues.apache.org/jira/browse/HBASE-5972    Author: Nicolas Spiegelberg, 2013-01-30, 03:50
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