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[HDFS-3881] Detect and disallow self IPC - HDFS - [issue]
...Per HDFS-3876 we should detect and disallow the NN to make IPCs to itself since this can potentially result in deadlock (if initiated by an IPC handler)....
http://issues.apache.org/jira/browse/HDFS-3881    Author: Eli Collins, 2012-09-01, 01:23
[HDFS-3882] NN trash emptier should not delete files via the client - HDFS - [issue]
...The trash emptier only runs in the NN yet deletes files via the client (and therefore makes self IPCs), let's modify it to remove files directly. This could be handled as part of moving tras...
http://issues.apache.org/jira/browse/HDFS-3882    Author: Eli Collins, 2012-09-01, 01:23
[HDFS-3233] Move IP to FQDN conversion from DatanodeJSPHelper to DatanodeID - HDFS - [issue]
...In a handful of places DatanodeJSPHelper looks up the IP for a DN and then determines a FQDN for the IP. We should move this code to a single place, a new DatanodeID to return the FQDN for a...
http://issues.apache.org/jira/browse/HDFS-3233    Author: Eli Collins, 2012-08-31, 20:17
[HDFS-3837] Fix DataNode.recoverBlock findbugs warning - HDFS - [issue]
...HDFS-2686 introduced the following findbugs warning:Call to equals() comparing different types in org.apache.hadoop.hdfs.server.datanode.DataNode.recoverBlock(BlockRecoveryCommand$Recovering...
http://issues.apache.org/jira/browse/HDFS-3837    Author: Eli Collins, 2012-08-31, 14:59
[HDFS-2911] Gracefully handle OutOfMemoryErrors - HDFS - [issue]
...We should gracefully handle j.l.OutOfMemoryError exceptions in the NN or DN. We should catch them in a high-level handler, cleanly fail the RPC (vs sending back the OOM stackrace) or backgro...
http://issues.apache.org/jira/browse/HDFS-2911    Author: Eli Collins, 2012-08-31, 06:39
[HDFS-2918] HA: Update HA docs to cover dfsadmin - HDFS - [issue]
...dfsadmin currently always uses the first namenode rather than failing over. It should failover like other clients, unless fs specifies a specific namenode.hadoop-0.24.0-SNAPSHOT $ ./bin/hdfs...
http://issues.apache.org/jira/browse/HDFS-2918    Author: Eli Collins, 2012-08-31, 04:54
[HDFS-3232] Cleanup DatanodeInfo vs DatanodeID handling in DN servlets - HDFS - [issue]
...The DN servlets currently have code like the following:final String hostname = host instanceof DatanodeInfo           ? ((DatanodeInfo)host).getHostName() : hos...
http://issues.apache.org/jira/browse/HDFS-3232    Author: Eli Collins, 2012-08-31, 04:53
[HDFS-3640] Don't use Util#now or System#currentTimeMillis for calculating intervals - HDFS - [issue]
...Per HDFS-3485 we shouldn't use Util#now or System#currentTimeMillis to calculate intervals as they can be affected by system clock changes....
http://issues.apache.org/jira/browse/HDFS-3640    Author: Eli Collins, 2012-08-31, 04:52
[HDFS-3715] Fix TestFileCreation#testFileCreationNamenodeRestart - HDFS - [issue]
...TestFileCreation#testFileCreationNamenodeRestart is ignored due to the following. We should (a) modify this test to test the current expected behavior for leases on restart and (b) file any ...
http://issues.apache.org/jira/browse/HDFS-3715    Author: Eli Collins, 2012-08-24, 15:31
[HDFS-3713] Disallow self-failover when auto failover is enabled - HDFS - [issue]
...When auto failover is enabled, the user can manually failover from a nameservice to itself. When auto failover is disabled, there is a check that prevents failover from a nameservice to itse...
http://issues.apache.org/jira/browse/HDFS-3713    Author: Eli Collins, 2012-08-23, 23:39
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