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[HBASE-4163] Create Split Strategy for YCSB Benchmark - HBase - [issue]
...Talked with Lars about how we can make it easier for users to run the YCSB benchmarks against HBase & get realistic results.  Currently, HBase is optimized for the random/uniform re...
http://issues.apache.org/jira/browse/HBASE-4163    Author: Nicolas Spiegelberg, 2013-12-07, 09:40
[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, 2013-11-08, 20:55
[HBASE-4917] CRUD Verify Utility - HBase - [issue]
...Add a verify utility to run basic CRUD tests against hbase in various common use cases.  This is great for sanity checking a cluster setup because it can be run as a one line shell comm...
http://issues.apache.org/jira/browse/HBASE-4917    Author: Nicolas Spiegelberg, 2013-08-21, 21:39
[HBASE-5334] Pluggable Compaction Algorithms - HBase - [issue]
...It would be good to create a set of common compaction algorithms so that we can tune this on a per-CF basis.  In order to accomplish this, we need to refactor the current algorithm for ...
http://issues.apache.org/jira/browse/HBASE-5334    Author: Nicolas Spiegelberg, 2013-07-09, 23:01
[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, 2013-07-08, 20:44
[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-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
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