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[HADOOP-1224] "Browse the filesystem" link pointing to a dead data-node
...On the NameNode status web page "Browse the filesystem" link can point to a dead data-node.The reason for that is that FSNamesystem.randomDataNode() selects a random node from thelist of all...
, 2012-08-31, 04:42
[HADOOP-1286] Distributed cluster upgrade
...Some data layout changes in HDFS require more than just a version upgrade introduced in HADOOP-702,because the cluster can function properly only when all components have upgraded, and the c...
, 2012-08-21, 15:24
[HDFS-19] Unhandled exceptions in DFSClient
...DFSOutputStream.handleSocketException() does not handle exceptions thrown inside itby abandonBlock(). I'd propose to retry abandonBlock() in case of timeout.In case of DFSOutputStream.close(...
, 2011-12-29, 11:43
[HDFS-111] UnderReplicationBlocks should use generic types
...1. HADOOP-659 introduced new class UnderReplicationBlocks, andtwo new warnings about use of generic types TreeSet<Block> priorityQueues = new TreeSet[L...
, 2011-11-21, 13:47
[HDFS-70] Data node should shutdown when a "critical" error is returned by the name node
...Currently data node does not distinguish between critical and non critical exceptions.Any exception is treated as a signal to sleep and then try again. Seeorg.apache.hadoop.dfs.DataNode.run(...
, 2011-07-17, 18:26
[HADOOP-193] DFS i/o benchmark.
...DFS i/o benchmark is a map-reduce based test that measures performance of the cluster for reads and writes.This is an evolved version of HADOOP-72, and HADOOP-95 test.This test writes into o...
, 2010-04-01, 17:12
[HADOOP-306] Safe mode and name node startup procedures
...This is a proposal to improve DFS cluster startup process.The data node startup procedures were described and implemented in HADOOP-124.I'm trying to extend them to the name node here.The ma...
, 2009-10-13, 21:33
[HADOOP-537] clean-libhdfs target of build.xml does not work on windows
...It produces the following:BUILD FAILEDHadoop\build.xml:496: Execute failed: java.io.IOException: CreateProcess: make clean error=2Besides, I would propose to have clean-* target for every co...
, 2009-07-08, 17:05
[HADOOP-513] IllegalStateException is thrown by TaskTracker
...I am running TestDFSIO on a one node cluster and getting IllegalStateException for each map task run as listed below.The same exceptions are flooding logs for TestMiniMRWithDFS on my nightly...
, 2009-07-08, 16:51
[HADOOP-553] DataNode and NameNode main() should catch and report exceptions.
...Right now we do not know what happened during startup failure,because there no records in the logs.I propose to change main() so that it would catch exceptions and log them rather then throw...
, 2009-07-08, 16:51
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