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Re: The 3rd HBase 0.98.0 release candidate (RC2) is available for download - HBase - [mail # dev]
...+1Downloaded the hadoop2 tarball, ran some PE, everything looks good exceptfor the annoying "Failed to retrieve nio.BufferPool direct MemoryUsed"debug line...J-DOn Thu, Feb 6, 2014 at 6:14 P...
   Author: Jean-Daniel Cryans, 2014-02-12, 22:43
[HBASE-10482] ReplicationSyncUp doesn't clean up its ZK, needed for tests - HBase - [issue]
...TestReplicationSyncUpTool failed again:https://builds.apache.org/job/HBase-TRUNK/4895/testReport/junit/org.apache.hadoop.hbase.replication/TestReplicationSyncUpTool/testSyncUpTool/It's not s...
http://issues.apache.org/jira/browse/HBASE-10482    Author: Jean-Daniel Cryans, 2014-02-12, 17:59
Re: Who creates hbase root.dir ? - HBase - [mail # user]
...IIRC it used to be an issue if the folder was already existing, even ifempty. It's not the case anymore.J-DOn Fri, Feb 7, 2014 at 3:38 PM, Jay Vyas  wrote: ...
   Author: Jean-Daniel Cryans, 2014-02-07, 23:45
[HBASE-7774] RegionObserver.prePut() cannot rely on the Put's timestamps, can even cause data loss - HBase - [issue]
...We had a user that had code that looked like this in a coprocessor's prePut():if (put.has(expectedKv))  put.add(kvSayingIFoundIt);else  put.add(kvSayingNotFound);If you h...
http://issues.apache.org/jira/browse/HBASE-7774    Author: Jean-Daniel Cryans, 2014-02-07, 23:12
[HBASE-10271] [regression] Cannot use the wildcard address since HBASE-9593 - HBase - [issue]
...HBASE-9593 moved the creation of the ephemeral znode earlier in the region server startup process such that we don't have access to the ServerName from the Master's POV. HRS.getMyEphemeralNo...
http://issues.apache.org/jira/browse/HBASE-10271    Author: Jean-Daniel Cryans, 2014-02-06, 23:50
[HBASE-9047] Tool to handle finishing replication when the cluster is offline - HBase - [issue]
...We're having a discussion on the mailing list about replicating the data on a cluster that was shut down in an offline fashion. The motivation could be that you don't want to bring HBase bac...
http://issues.apache.org/jira/browse/HBASE-9047    Author: Jean-Daniel Cryans, 2014-01-17, 01:27
[HBASE-6416] hbck dies on NPE when a region folder exists but the table does not - HBase - [issue]
...This is what I'm getting for leftover data that has no .regioninfoFirst:12/07/17 23:13:37 WARN util.HBaseFsck: Failed to read .regioninfo file for region nulljava.io.FileNotFoundException: F...
http://issues.apache.org/jira/browse/HBASE-6416    Author: Jean-Daniel Cryans, 2014-01-03, 01:29
[HBASE-5349] Automagically tweak global memstore and block cache sizes based on workload - HBase - [issue]
...Hypertable does a neat thing where it changes the size given to the CellCache (our MemStores) and Block Cache based on the workload. If you need an image, scroll down at the bottom of this l...
http://issues.apache.org/jira/browse/HBASE-5349    Author: Jean-Daniel Cryans, 2013-12-13, 16:24
Re: Question about the HBase thrift server - HBase - [mail # user]
...That's right, round robin should only be applied when you start answering some client request and stick to it until you're done.  J-D   On Fri, Dec 6, 2013 at 9:17 PM, Varun Sharma...
   Author: Jean-Daniel Cryans, 2013-12-09, 18:03
Re: MultiMaster HBase: --backup really needed ? - HBase - [mail # user]
...The problem with having a bunch of master racing is that it's not evident for the operator who won, so specifying --backup to all but one master ensures that you always easily know where the...
   Author: Jean-Daniel Cryans, 2013-12-09, 17:44
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