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Re: non-local map task input - HDFS - [mail # dev]
...Try looking at DFSOutputStream / DFSInputStream.  Sent from a mobile device  Colin On Jul 21, 2013 8:41 PM, "Grandl Robert"  wrote:  ...
   Author: Colin Patrick McCabe, 2013-07-25, 23:46
[HDFS-4950] newly created files in fuse_dfs appear to be length 0 for a while due to attribute caching - HDFS - [issue]
...For some reason, newly created files in fuse_dfs appear to be length 0 for a while.cmccabe@keter:~> echo hi > hicmccabe@keter:~> mv hi /mnt/tmp/hicmccabe@keter:~> ls -l /mnt/tmpt...
http://issues.apache.org/jira/browse/HDFS-4950    Author: Colin Patrick McCabe, 2013-07-21, 23:12
[HDFS-4957] NameNode failover should not fail because a DNS entry for a quorum node cannot be resolved - HDFS - [issue]
...When a StandbyNameNode is becoming active, we should not bail out because a DNS entry for a quorum node cannot be resolved.  Currently it does fail in this scenario, with a message like...
http://issues.apache.org/jira/browse/HDFS-4957    Author: Colin Patrick McCabe, 2013-07-19, 02:07
[HDFS-3994] misleading comment in CommonConfigurationKeysPublic - HDFS - [issue]
...CommonConfigurationKeysPublic contains a potentially misleading comment:/**  * This class contains constants for configuration keys used * in the common code. * * It incl...
http://issues.apache.org/jira/browse/HDFS-3994    Author: Colin Patrick McCabe, 2013-07-17, 18:40
[HDFS-3579] libhdfs: fix exception handling - HDFS - [issue]
...libhdfs does not consistently handle exceptions.  Sometimes we don't free the memory associated with them (memory leak).  Sometimes we invoke JNI functions that are not supposed to...
http://issues.apache.org/jira/browse/HDFS-3579    Author: Colin Patrick McCabe, 2013-07-12, 23:54
[HDFS-4966] implement advisory caching for RawLocalFilesystem - HDFS - [issue]
...It should be pretty straightforward to implement the advisory caching tunables (dropBehind, readahead) introduced in HDFS-4817 for RawLocalFilesystem....
http://issues.apache.org/jira/browse/HDFS-4966    Author: Colin Patrick McCabe, 2013-07-09, 02:00
[HDFS-3651] optionally, the NameNode should invoke saveNamespace after getting a SIGTERM - HDFS - [issue]
...It would be nice if the NameNode could be configured so that it did a saveNamespace and then shut down cleanly after receiving a SIGTERM signal.  In general, it is a good practice to ca...
http://issues.apache.org/jira/browse/HDFS-3651    Author: Colin Patrick McCabe, 2013-06-20, 18:03
[HDFS-4160] libhdfs / fuse-dfs should implement O_CREAT | O_EXCL - HDFS - [issue]
...hdfsOpenFile contains this code:if ((flags & O_CREAT) && (flags & O_EXCL)) {                            ...
http://issues.apache.org/jira/browse/HDFS-4160    Author: Colin Patrick McCabe, 2013-05-29, 19:45
[HDFS-4698] provide client-side metrics for remote reads, local reads, and short-circuit reads - HDFS - [issue]
...We should provide metrics to let clients know how many bytes of data they have read remotely, versus locally or via short-circuit local reads.  This will allow clients to know how well ...
http://issues.apache.org/jira/browse/HDFS-4698    Author: Colin Patrick McCabe, 2013-05-25, 16:06
[HDFS-4428] FsDatasetImpl should disclose what the error is when a rename fails - HDFS - [issue]
...It would be nice if FsDatasetImpl would print out an error message when a rename fails, describing what went wrong.  This would make it a lot easier to investigate and resolve test fail...
http://issues.apache.org/jira/browse/HDFS-4428    Author: Colin Patrick McCabe, 2013-05-22, 03:53
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