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[HDFS-4780] Use the correct relogin method for services - HDFS - [issue]
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...A number of components call reloginFromKeytab() before making requests. For StandbyCheckpointer and SecondaryNameNode, where this can be called frequently, it generates many WARN messages li...
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http://issues.apache.org/jira/browse/HDFS-4780
Author: Kihwal Lee,
2013-05-24, 15:11
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[HDFS-4807] DFSOutputStream.createSocketForPipeline() should not include timeout extension on connect - HDFS - [issue]
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...In createSocketForPipeline(), connect() is called with a timeout set to (socket_timeout + read_extension * num_datanodes). Since it is simply connecting to a single node, it does not make se...
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http://issues.apache.org/jira/browse/HDFS-4807
Author: Kihwal Lee,
2013-05-24, 15:06
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[HDFS-4714] Log short messages in Namenode RPC server for exceptions meant for clients - HDFS - [issue]
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...Namenode can slow down significantly if a rogue client/job issues massive number of requests that will fail. E.g. permission denied, quota overage, etc. The major contributing factor i...
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http://issues.apache.org/jira/browse/HDFS-4714
Author: Kihwal Lee,
2013-05-24, 15:06
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[HDFS-4846] Snapshot CLI commands output stacktrace for invalid arguments - HDFS - [issue]
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...It'd be useful to clean up the stacktraces output by the snapshot CLI commands when the commands are used incorrectly. This will make things more readable for operators and hopefully prevent...
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http://issues.apache.org/jira/browse/HDFS-4846
Author: Stephen Chu,
2013-05-24, 09:51
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[HDFS-3934] duplicative dfs_hosts entries handled wrong - HDFS - [issue]
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...A dead DN listed in dfs_hosts_allow.txt by IP and in dfs_hosts_exclude.txt by hostname ends up being displayed twice in dfsnodelist.jsp?whatNodes=DEAD after the NN restarts because getDatano...
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http://issues.apache.org/jira/browse/HDFS-3934
Author: Andy Isaacson,
2013-05-24, 06:50
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[HDFS-4840] ReplicationMonitor gets NPE during shutdown - HDFS - [issue]
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...TestBlocksWithNotEnoughRacks occasionally fails during test tear down because RaplicationMonitor gets NPE.Seen at https://builds.apache.org/job/Hadoop-Hdfs-trunk/1406/....
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http://issues.apache.org/jira/browse/HDFS-4840
Author: Kihwal Lee,
2013-05-24, 01:18
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[HDFS-4845] FSEditLogLoader gets NPE while accessing INodeMap in TestEditLogRace - HDFS - [issue]
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...TestEditLogRace fails occasionally because it gets NPE from manipulating INodeMap while loading edits....
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http://issues.apache.org/jira/browse/HDFS-4845
Author: Kihwal Lee,
2013-05-24, 01:12
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[HDFS-4817] make HDFS advisory caching configurable on a per-file basis - HDFS - [issue]
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...HADOOP-7753 and related JIRAs introduced some performance optimizations for the DataNode. One of them was readahead. When readahead is enabled, the DataNode starts reading the ne...
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http://issues.apache.org/jira/browse/HDFS-4817
Author: Colin Patrick McCabe,
2013-05-24, 00:47
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[HDFS-4832] Namenode doesn't change the number of missing blocks in safemode when DNs rejoin or leave - HDFS - [issue]
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...Courtesy Karri VRK Reddy!1. Namenode lost datanodes causing missing blocks2. Namenode was put in safe mode3. Datanode restarted on dead nodes 4. Waited for lots of time for the NN UI to refl...
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http://issues.apache.org/jira/browse/HDFS-4832
Author: Ravi Prakash,
2013-05-23, 22:57
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[HDFS-4754] Add an API in the namenode to mark a datanode as stale - HDFS - [issue]
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...There is a detection of the stale datanodes in HDFS since HDFS-3703, with a timeout, defaulted to 30s.There are two reasons to add an API to mark a node as stale even if the timeout is not y...
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http://issues.apache.org/jira/browse/HDFS-4754
Author: Nicolas Liochon,
2013-05-23, 22:02
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