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[HDFS-4113] When adding datanodes with less disk capacity to an existing cluster, the new DNs fill up faster and subsequently cause errors during put operations - HDFS - [issue]
...The request is that the allocation strategy be modified so that it allocates equally on a 'free space percentage' basis between datanodes. IE disks that are twice as big should have twice as...
http://issues.apache.org/jira/browse/HDFS-4113    Author: Stephen Fritz, 2013-11-27, 23:23
[HDFS-4821] It's possible to create files with special characters in the filenames, but 'hadoop fs -ls' gives no indication - HDFS - [issue]
...For example:-bash-4.1$ hadoop fs -mkdir /user/hdfs-bash-4.1$ hadoop fs -touchz /user/hdfs/dupfile-bash-4.1$ hadoop fs -touchz /user/hdfs/dupfile^M-bash-4.1$ hadoop fs -ls /user/hdfsFound 2 i...
http://issues.apache.org/jira/browse/HDFS-4821    Author: Stephen Fritz, 2013-05-14, 18:21
[HDFS-4822] Globs do not match special characters in filenames - HDFS - [issue]
...Create a file with a special character in the filename, a-la-bash-4.1$ hadoop fs -mkdir /user/hdfs-bash-4.1$ hadoop fs -touchz /user/hdfs/dupfile^M-bash-4.1$ hadoop fs -ls /user/hdfsFound 1 ...
http://issues.apache.org/jira/browse/HDFS-4822    Author: Stephen Fritz, 2013-05-14, 15:39
[HDFS-4789] redirectToRandomDataNode tries to get a delegation token without verifying security is enabled - HDFS - [issue]
...Saw a warning message stating "trying to get DT with no secret manager running".The isAllowedDelegationTokenOp() check call is questionably faulty, as per https://issues.apache.org/jira/brow...
http://issues.apache.org/jira/browse/HDFS-4789    Author: Stephen Fritz, 2013-05-08, 19:06
Re: How to troubleshoot OutOfMemoryError - HDFS - [mail # user]
...Troubleshooting OOMs in the map/reduce tasks can be tricky, see page 118 of Hadoop Operationsfor a couple of settings which could affect the frequency of OOMs which aren't necessarily intuit...
   Author: Stephen Fritz, 2012-12-22, 15:40
[HDFS-4117] FSImage.needsResaveBasedOnStaleCheckpoint multiplies dfs.namenode.checkpoint.period by 1000 as if it were in milliseconds. - HDFS - [issue]
...This is a mistake....
http://issues.apache.org/jira/browse/HDFS-4117    Author: Stephen Fritz, 2012-10-29, 21:29
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