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[HADOOP-1255] Name-node falls into infinite loop trying to remove a dead node. - Hadoop - [issue]
...Under certain conditions the name-node fall into infinite loop in heartbeatCheck().It's rather hard to reproduce. I'm running one node cluster: 1 name-node, 1 data-node.The data-node dies, a...
http://issues.apache.org/jira/browse/HADOOP-1255    Author: Konstantin Shvachko, 2009-07-08, 16:42
[HADOOP-1188] processIOError() should update fstime file - Hadoop - [issue]
...Name-node can have multiple directories to store the name space image and edits.During startup the name-node selects the latest image and reads it in memory.fstime stores the time of the lat...
http://issues.apache.org/jira/browse/HADOOP-1188    Author: Konstantin Shvachko, 2009-07-08, 16:42
[HADOOP-1211] Remove deprecated constructor and unused static members in DataNode class - Hadoop - [issue]
...HADOOP-702 deprecated one DataNode constructor, which is only used in MiniDFSCluster. It should be removed.Static memberdataNodeListdataNodeThreadListseem to be redundant now. Removing them ...
http://issues.apache.org/jira/browse/HADOOP-1211    Author: Konstantin Shvachko, 2009-07-08, 16:42
[HADOOP-995] DataNode started with illegal startup options should print usage and stop - Hadoop - [issue]
...Now that we have data-node startup options we should enforce them and not start the data-node when the options are illegal.Currently the data-node just ignores illegal option.If I start my d...
http://issues.apache.org/jira/browse/HADOOP-995    Author: Konstantin Shvachko, 2009-07-08, 16:42
[HADOOP-1195] NullPointerException in FSNamesystem due to getDatanode() return value is not checked - Hadoop - [issue]
...FSNamesystem.getDatanode( nodeID ) returns null if the node is not found.There are several places where we do not check wether the returned node is null, e.g.FSNamesystem.processReport()FSNa...
http://issues.apache.org/jira/browse/HADOOP-1195    Author: Konstantin Shvachko, 2009-07-08, 16:42
[HADOOP-1076] Periodic checkpointing cannot resume if the secondary name-node fails. - Hadoop - [issue]
...If secondary name-node fails during checkpointing then the primary node will have 2 edits file."edits" - is the one which current checkpoint is to be based upon."edits.new" - is where new na...
http://issues.apache.org/jira/browse/HADOOP-1076    Author: Konstantin Shvachko, 2009-07-08, 16:42
[HADOOP-1156] NullPointerException in MiniDFSCluster - Hadoop - [issue]
...This was committed with HADOOP-1063I'm getting a NullPointerException in MiniDFSCluster.DataNodeRunner.run()        node.shutdown();because node is null. Should it b...
http://issues.apache.org/jira/browse/HADOOP-1156    Author: Konstantin Shvachko, 2009-07-08, 16:42
[HADOOP-231] DFSShell Improvement wish list - Hadoop - [issue]
...This is to discuss general DFSShell improvements, standardization, conventions, etc.Here are links to assorted ideas on this issue from previous issues.We need to generalize them at some poi...
http://issues.apache.org/jira/browse/HADOOP-231    Author: Konstantin Shvachko, 2009-07-08, 16:42
[HADOOP-659] Boost the priority of re-replicating blocks that are far from their replication target - Hadoop - [issue]
...I see two types of replications that should be accelerated compared to all others.1. Blocks that have only one remaining copy (but are required to have higher replication).2. Blocks that hav...
http://issues.apache.org/jira/browse/HADOOP-659    Author: Konstantin Shvachko, 2009-07-08, 16:42
[HADOOP-572] Chain reaction in a big cluster caused by simultaneous failure of only a few data-nodes. - Hadoop - [issue]
...I've observed a cluster crash caused by simultaneous failure of only 3 data-nodes.The crash is reproducable. In order to reproduce it you need a rather large cluster.To simplify calculations...
http://issues.apache.org/jira/browse/HADOOP-572    Author: Konstantin Shvachko, 2009-07-08, 16:42
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