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[HADOOP-8989] hadoop fs -find feature - Hadoop - [issue]
...Both sysadmins and users make frequent use of the unix 'find' command, but Hadoop has no correlate. Without this, users are writing scripts which make heavy use of hadoop dfs -lsr, and imple...
http://issues.apache.org/jira/browse/HADOOP-8989    Author: Marco Nicosia, 2014-11-14, 15:25
[HDFS-253] Method to retrieve all quotas active on HDFS - HDFS - [issue]
...Currently the only way to view quota information on an HDFS is via dfs -count -q, which is fine when an admin is examining a specific directory for quota status.It would also be good to do f...
http://issues.apache.org/jira/browse/HDFS-253    Author: Marco Nicosia, 2014-09-04, 16:26
[HADOOP-5722] HTTP metrics interface enable/disable must be configurable - Hadoop - [issue]
...HADOOP-5469 added a convenient end-run around JMX authentication by revealing the same metrics over HTTP. That's cool, but we need to secure all accesses to our Hadoop cluster, so while this...
http://issues.apache.org/jira/browse/HADOOP-5722    Author: Marco Nicosia, 2014-07-22, 19:57
[HADOOP-5355] Hadoop Quota documentation missing "user facing" content - Hadoop - [issue]
...Right now, the HDFS Quota Admin guide is full of good stuff on how to set/unset both space and name quotas.However, there's no documentation on how users should expect the system to behave. ...
http://issues.apache.org/jira/browse/HADOOP-5355    Author: Marco Nicosia, 2014-07-21, 22:17
[HDFS-345] DataNode to send block reports to multiple namenodes? - HDFS - [issue]
...I have this theory that I could test the memory footprint of a new version of the Hadoop namenode, without interrupting a running instance. We could shut down the secondary namenode process,...
http://issues.apache.org/jira/browse/HDFS-345    Author: Marco Nicosia, 2014-02-03, 11:54
[HADOOP-4842] Streaming combiner should allow command, not just JavaClass - Hadoop - [issue]
...Streaming jobs are way slower than Java jobs for many reasons, but certainly stopping the shell-only programmer from using the combiner feature won't help. Right now, the streaming usage say...
http://issues.apache.org/jira/browse/HADOOP-4842    Author: Marco Nicosia, 2012-06-29, 20:53
[HDFS-227] hadoop dfs -find feature - HDFS - [issue]
...Both sysadmins and users make frequent use of the unix 'find' command, but Hadoop has no correlate. Without this, users are writing scripts which make heavy use of hadoop dfs -lsr, and imple...
http://issues.apache.org/jira/browse/HDFS-227    Author: Marco Nicosia, 2012-03-22, 15:16
[MAPREDUCE-139] JobTracker crashes Sun JVM - MapReduce - [issue]
...From our jobtacker's .out file:# An unexpected error has been detected by HotSpot Virtual Machine:# SIGSEGV (0xb) at pc=0xf27bf825, pid=24028, tid=1856498608# Java VM: Java HotSpot(TM) Serve...
http://issues.apache.org/jira/browse/MAPREDUCE-139    Author: Marco Nicosia, 2012-01-16, 09:43
[MAPREDUCE-1772] Hadoop streaming doc should not use IdentityMapper as an example - MapReduce - [issue]
...From the URL http://hadoop.apache.org/core/docs/current/streaming.htmlThis example doesn't work:You can supply a Java class as the mapper and/or the reducer. The above example is equivalent ...
http://issues.apache.org/jira/browse/MAPREDUCE-1772    Author: Marco Nicosia, 2010-10-29, 02:03
[MAPREDUCE-166] Remove distcp from hadoop core libraries, and publish documentation - MapReduce - [issue]
...Every time we want to ship a change in distcp, not only do we have to replace the entire version of map-reduce deployed to the clusters, we also have to update internal documentation to refl...
http://issues.apache.org/jira/browse/MAPREDUCE-166    Author: Marco Nicosia, 2010-08-12, 01:51
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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