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[HBASE-8529] checkOpen is missing from multi, mutate, get and multiGet etc. - HBase - [issue]
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...I saw we have checkOpen in all those functions in 0.94 while they're missing from trunk. Does anyone know why?For multi and mutate, if we don't call checkOpen we could flood our logs with bu...
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http://issues.apache.org/jira/browse/HBASE-8529
Author: Jeffrey Zhong,
2013-05-11, 01:18
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[HBASE-8509] ZKUtil#createWithParents won't set data during znode creation when parent folder doesn't exit - HBase - [issue]
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...As you can see below, we don't pass data down when parent folder doesn't exists. } catch(KeeperException.NoNodeException nne) { createWithParents(z...
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http://issues.apache.org/jira/browse/HBASE-8509
Author: Jeffrey Zhong,
2013-05-10, 05:01
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[HBASE-7824] Improve master start up time when there is log splitting work - HBase - [issue]
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...When there is log split work going on, master start up waits till all log split work completes even though the log split has nothing to do with meta region servers.It's a bad behavior consid...
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http://issues.apache.org/jira/browse/HBASE-7824
Author: Jeffrey Zhong,
2013-04-27, 16:55
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[HBASE-8207] Replication could have data loss when machine name contains hyphen "-" - HBase - [issue]
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...In the recent test case TestReplication* failures, I'm finally able to find the cause(or one of causes) for its intermittent failures.When a machine name contains "-", it breaks the function...
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http://issues.apache.org/jira/browse/HBASE-8207
Author: Jeffrey Zhong,
2013-04-27, 16:55
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[HBASE-8393] Testcase TestHeapSize#testMutations is wrong - HBase - [issue]
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...I happened to check this test case and there are several existing errors to make it pass. You can reproduce the test case failure by adding a new field into Mutation, the test case will eith...
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http://issues.apache.org/jira/browse/HBASE-8393
Author: Jeffrey Zhong,
2013-04-26, 21:31
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[HBASE-8018] Add "Flaky Testcase Dector" tool into dev-tools - HBase - [issue]
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...Recently I'm working on some hbase test case failures and I think it's useful if we can see a report of all failed test cases from most recent runs. So we can easily see how flaky a test cas...
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http://issues.apache.org/jira/browse/HBASE-8018
Author: Jeffrey Zhong,
2013-04-19, 23:50
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[HBASE-8368] Improve ZK notification handling in Master - HBase - [issue]
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...In ZooKeeperWatcher, we handle ZK notifications in a single queue(except AM) and each listener is handling notifications synchronously. This cause potential performance issue if Master is ha...
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http://issues.apache.org/jira/browse/HBASE-8368
Author: Jeffrey Zhong,
2013-04-18, 03:08
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[HBASE-8276] Backport hbase-6738 to 0.94 "Too aggressive task resubmission from the distributed log manager" - HBase - [issue]
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...In recent tests, we found situations that when some data nodes are down and file operations are slow depending on underlying hdfs timeout(normally 30 secs and socket connection timeout maybe...
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http://issues.apache.org/jira/browse/HBASE-8276
Author: Jeffrey Zhong,
2013-04-09, 08:33
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[HBASE-8208] In some situations data is not replicated to slaves when deferredLogSync is enabled - HBase - [issue]
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...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 ...
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http://issues.apache.org/jira/browse/HBASE-8208
Author: Jeffrey Zhong,
2013-04-09, 08:33
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[HBASE-8097] MetaServerShutdownHandler may potentially keep bumping up DeadServer.numProcessing - HBase - [issue]
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... } catch (IOException ioe) { this.services.getExecutorService().submit(this); this.deadServers.add(serverName); ...
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http://issues.apache.org/jira/browse/HBASE-8097
Author: Jeffrey Zhong,
2013-04-09, 08:33
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