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[HDFS-708] A stress-test tool for HDFS. - HDFS - [issue]
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...It would be good to have a tool for automatic stress testing HDFS, which would provide IO-intensive load on HDFS cluster.The idea is to start the tool, let it run overnight, and then be able...
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http://issues.apache.org/jira/browse/HDFS-708
Author: Konstantin Shvachko,
2012-08-01, 08:00
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[HDFS-3368] Missing blocks due to bad DataNodes coming up and down. - HDFS - [issue]
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...All replicas of a block can be removed if bad DataNodes come up and down during cluster restart resulting in data loss....
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http://issues.apache.org/jira/browse/HDFS-3368
Author: Konstantin Shvachko,
2012-07-19, 22:13
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[HDFS-2498] TestParallelRead times out consistently on Jenkins - HDFS - [issue]
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...During last several Jenkins builds TestParallelRead consistently fails. See Hadoop-Hdfs-22-branch for logs....
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http://issues.apache.org/jira/browse/HDFS-2498
Author: Konstantin Shvachko,
2012-07-07, 14:10
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Re: Changing where HDFS stores its data - HDFS - [mail # user]
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...In hdfs-site.xml you should specify dfs.namenode.name.dir for NameNode stoareg directories or / and dfs.datanode.data.dir for DataNode storage Changing temporary directory location cha...
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Author: Konstantin Shvachko,
2012-06-19, 00:12
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[HDFS-1107] Turn on append by default. - HDFS - [issue]
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...hdfs-default.xml still has the old default value dfs.support.append = false. It should be changed to true, or removed from the default configuration and treated as true if not found....
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http://issues.apache.org/jira/browse/HDFS-1107
Author: Konstantin Shvachko,
2012-06-17, 12:13
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[HDFS-2290] Block with corrupt replica is not getting replicated - HDFS - [issue]
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...A block has one replica marked as corrupt and two good ones. countNodes() correctly detects that there are only 2 live replicas, and fsck reports the block as under-replicated. But Replicati...
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http://issues.apache.org/jira/browse/HDFS-2290
Author: Konstantin Shvachko,
2012-06-04, 17:30
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[HDFS-3462] TestDFSClientRetries.busyTest() should restore default xceiver count in the config. - HDFS - [issue]
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...TestDFSClientRetries.busyTest() sets maximum xceiver count in the config to a small value, but does not restore it back to the default. As the result subsequent tests can fail, especially on...
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http://issues.apache.org/jira/browse/HDFS-3462
Author: Konstantin Shvachko,
2012-05-31, 14:06
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[HDFS-3463] DFSTestUtil.waitCorruptReplicas() should not use file reading time as a timeout measure. - HDFS - [issue]
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...Tests fail because DFSTestUtil.waitCorruptReplicas() does not wait long enough....
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http://issues.apache.org/jira/browse/HDFS-3463
Author: Konstantin Shvachko,
2012-05-30, 19:27
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[HDFS-535] TestFileCreation occasionally fails because of an exception in DataStreamer. - HDFS - [issue]
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...One of test cases, namely testFsCloseAfterClusterShutdown(), of TestFileCreation fails occasionally....
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http://issues.apache.org/jira/browse/HDFS-535
Author: Konstantin Shvachko,
2012-05-21, 18:26
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[HDFS-119] logSync() may block NameNode forever. - HDFS - [issue]
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...FSEditLog.logSync() first waits until isSyncRunning is false and then performs syncing to file streams by calling EditLogOutputStream.flush().If an exception is thrown after isSyncRunning is...
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http://issues.apache.org/jira/browse/HDFS-119
Author: Konstantin Shvachko,
2012-04-24, 21:54
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