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[HDFS-2571] Error encountered while attempting a dfsadmin -report - HDFS - [issue]
...Saw this while trying some things on HDFS-2569➜  hadoop-0.23.0  bin/hdfs dfsadmin -reportlog4j:ERROR Could not find value for key log4j.appender.NullAppenderlog4j:ERROR Could not i...
http://issues.apache.org/jira/browse/HDFS-2571    Author: Harsh J, 2014-04-03, 03:28
[HDFS-3590] Print a WARN if the edit log sync period takes more than X time units - HDFS - [issue]
...If an logSync operation, which happens for calls such as FS#create() after the edit has been made at the NN metadata, takes longer than X seconds (I'd say if it took more than a minute, ther...
http://issues.apache.org/jira/browse/HDFS-3590    Author: Harsh J, 2014-03-17, 17:18
[HDFS-3570] Balancer shouldn't rely on "DFS Space Used %" as that ignores non-DFS used space - HDFS - [issue]
...Report from a user here: https://groups.google.com/a/cloudera.org/d/msg/cdh-user/pIhNyDVxdVY/b7ENZmEvBjIJ, post archived at http://pastebin.com/eVFkk0A0This user had a specific DN that had a...
http://issues.apache.org/jira/browse/HDFS-3570    Author: Harsh J, 2014-02-19, 00:56
[HDFS-5802] NameNode does not check for inode type before traversing down a path - HDFS - [issue]
...This came up during the discussion on a forum at http://community.cloudera.com/t5/Batch-Processing-and-Workflow/Permission-denied-access-EXECUTE-on-getting-the-status-of-a-file/m-p/5049#M162...
http://issues.apache.org/jira/browse/HDFS-5802    Author: Harsh J, 2014-01-21, 05:22
Re: Need idea for mapreduce - HDFS - [mail # user]
...You seem to have it right - why not give it a try before asking? :)  On Mon, Jan 6, 2014 at 10:42 AM, unmesha sreeveni  wrote:    Harsh J...
   Author: Harsh J, 2014-01-06, 07:10
Re: What makes a map to fail? - HDFS - [mail # user]
...Every failed task typically carries a diagnostic message and a set of logs for you to investigate what caused it to fail. Try visiting the task's logs on the JT UI by clicking through indivi...
   Author: Harsh J, 2014-01-05, 21:21
Re: Cutting a line in between while creating blocks - HDFS - [mail # user]
...HDFS is agnostic about the contents of the data you store. Think about it: Line ending character is not the universal way for files to separate their records.  This question's been aske...
   Author: Harsh J, 2014-01-04, 11:03
Re: MapReduce MIME Input type? - HDFS - [mail # user]
...Hey Devin,  Are you perhaps looking for http://james.apache.org/mime4j/? You may have to adapt it for MR but I don't imagine that would be too difficult to do.  On Mon, Dec 30, 201...
   Author: Harsh J, 2013-12-31, 06:08
Re: issue about corrupt block test - HDFS - [mail # user]
...Block files are not stored in a flat directory (to avoid FS limits of max files under a dir). Instead of looking for them right under finalized, issue a "find" query with the pattern instead...
   Author: Harsh J, 2013-12-11, 07:16
[HDFS-4983] Numeric usernames do not work with WebHDFS FS - HDFS - [issue]
...Per the file hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/UserParam.java, the DOMAIN pattern is set to: ^[A-Za-z_][A-Za-z0-9._-]*[$&...
http://issues.apache.org/jira/browse/HDFS-4983    Author: Harsh J, 2013-12-10, 14:43
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB