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[HBASE-8208] In some situations data is not replicated to slaves when deferredLogSync is enabled - HBase - [issue]
...This is a subtle issue. When deferredLogSync is enabled, there are chances we could flush data before syncing all HLog entries. Assuming we just flush the internal cache and the server dies ...
http://issues.apache.org/jira/browse/HBASE-8208    Author: Jeffrey Zhong, 2013-04-09, 08:33
[HBASE-8097] MetaServerShutdownHandler may potentially keep bumping up DeadServer.numProcessing - HBase - [issue]
...    } catch (IOException ioe) {      this.services.getExecutorService().submit(this);      this.deadServers.add(serverName);  ...
http://issues.apache.org/jira/browse/HBASE-8097    Author: Jeffrey Zhong, 2013-04-09, 08:33
[HBASE-8169] TestMasterFailover#testMasterFailoverWithMockedRITOnDeadRS may fail due to regions randomly assigned to a RS - HBase - [issue]
...In the test case, we use "master.assignRegion(hri);" to assign regions to live RS or dead RS(will be aborted during the test). While master.assignRegion may not always successfully assign a ...
http://issues.apache.org/jira/browse/HBASE-8169    Author: Jeffrey Zhong, 2013-04-05, 04:34
[HBASE-8127] Region of a disabling or disabled table could be stuck in transition state when RS dies during Master initialization - HBase - [issue]
...The issue happens when a RS dies during a master starts up. After the RS reports open to the new master instance and dies immediately thereafter, the RITs of disabling tables(or disabled tab...
http://issues.apache.org/jira/browse/HBASE-8127    Author: Jeffrey Zhong, 2013-04-05, 04:30
[HBASE-8246] Backport HBASE-6318 to 0.94 where SplitLogWorker exits due to ConcurrentModificationException - HBase - [issue]
...Today we found the following error in our tests. Later I found we already fixed the issue in trunk. I think we should backpor the fix because the consequence of the issue is high and the fix...
http://issues.apache.org/jira/browse/HBASE-8246    Author: Jeffrey Zhong, 2013-04-04, 22:16
[HBASE-8263] Master LogSplitting metrics update wrong counters - HBase - [issue]
...Wrong counters are updated as you can see in MetricsMasterSourceImpl.java#init()     splitTimeHisto = metricsRegistry.newHistogram(SPLIT_SIZE_NAME, SPLIT_SIZE_DESC); &nbs...
http://issues.apache.org/jira/browse/HBASE-8263    Author: Jeffrey Zhong, 2013-04-04, 14:07
Re: [ANNOUNCE] The 3rd hbase 0.94.6 release candidate is available for download - HBase - [mail # dev]
...+1 based on the test suit I ran, which includes some large tests such as BigtopLoadAndVerify, LoatTestTool, GoraCI and TestAcidGuarantee. I've updated the release spreadsheet.   Thanks,...
   Author: Jeffrey Zhong, 2013-03-22, 22:15
[HBASE-8138] Using [packed=true] for repeated field of primitive numeric types (types which use the varint, 32-bit, or 64-bit wire types) - HBase - [issue]
...It's recommended to do the following for numeric primitive typesFor historical reasons, repeated fields of basic numeric types aren't encoded as efficiently as they could be. New code should...
http://issues.apache.org/jira/browse/HBASE-8138    Author: Jeffrey Zhong, 2013-03-20, 03:39
[expand - 1 more] - Re: Flaky Testcase Detector - HBase - [mail # dev]
...I can check it into ./dev-tools unless someone objects.  Thanks, -Jeffrey   On 3/5/13 10:43 PM, "Stack"  wrote:  ...
   Author: Jeffrey Zhong, 2013-03-06, 18:11
[HBASE-7944] Replication leaks file reader resource & not reset currentNbOperations - HBase - [issue]
...When I trace test case TestReplicationQueueFailover, I found current replication logic has two following issues:1) leak file reader when finishing read a file in function finishCurrentFile2)...
http://issues.apache.org/jira/browse/HBASE-7944    Author: Jeffrey Zhong, 2013-03-06, 03:52
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