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[HDFS-1447] Make getGenerationStampFromFile() more efficient, so it doesn't reprocess full directory listing for every block - HDFS - [issue]
...Make getGenerationStampFromFile() more efficient. Currently this routine is called by addToReplicasMap() for every blockfile in the directory tree, and it walks each file's containing direct...
http://issues.apache.org/jira/browse/HDFS-1447    Author: Matt Foley, 2015-03-01, 06:59
[HDFS-1732] Enhance NNThroughputBenchmark to observe scale-dependent changes in IBR processing - HDFS - [issue]
...Rework NNThroughputBenchmark to provide more detailed info about Initial Block Report (IBR) processing time, as a function of number of nodes, number of unique blocks, and total number of re...
http://issues.apache.org/jira/browse/HDFS-1732    Author: Matt Foley, 2015-02-24, 22:39
[HADOOP-7352] Contracts of LocalFileSystem and DistributedFileSystem should require FileSystem::listStatus throw IOException not return null upon access error - Hadoop - [issue]
...In HADOOP-6201 and HDFS-538 it was agreed that FileSystem::listStatus should throw FileNotFoundException instead of returning null, when the target directory did not exist.However, in LocalF...
http://issues.apache.org/jira/browse/HADOOP-7352    Author: Matt Foley, 2015-01-16, 13:46
[AMBARI-8484] [GlusterFS/HCFS] tez-site.xml and webhcat-site.xml should use default filesystem references, not explicit "hdfs:" URIs - Ambari - [issue]
...In both branch-1.6.1 and branch-1.7.0, under ambari/ambari-server/src/main/resources/stacks/HDP/2.1/services/TEZ/configuration/, the file tez-site.xml specifies the value of tez.lib.uris as:...
http://issues.apache.org/jira/browse/AMBARI-8484    Author: Matt Foley, 2014-12-01, 23:32
[AMBARI-8483] Point of information: Is the absence of resources/stacks/HDP/2.1/services/WEBHCAT correct? - Ambari - [issue]
...In branch-1.6.1, ambari/ambari-server/src/main/resources/stacks/HDP/2.1/services/WEBHCAT/ subdirectory exists and has a number of files in it.  In branch-1.7.0, this subdirectory is gon...
http://issues.apache.org/jira/browse/AMBARI-8483    Author: Matt Foley, 2014-12-01, 19:32
[expand - 3 more] - Re: Dropping support for JDK6 in Apache Hadoop - HBase - [mail # dev]
...Yes, in terms of forward compatibility, my company has been certifying thecurrent Hadoop-related stack on JDK7 (both Oracle and OpenJDK) for sometime.  No problems there, in our experie...
   Author: Matt Foley, 2014-08-20, 00:50
[HADOOP-9082] Simplify scripting usages so that parallel platform-dependent scripts are simple to maintain - Hadoop - [issue]
...This issue was formerly titled "Select and document a platform-independent scripting language for use in Hadoop environment" and was discussed in the common-dev@ threads "[PROPOSAL] ...
http://issues.apache.org/jira/browse/HADOOP-9082    Author: Matt Foley, 2014-08-05, 23:23
[HADOOP-7678] Nightly build+test should run with "continue on error" for automated testing after successful build - Hadoop - [issue]
...It appears that scripts for nightly build in Apache Jenkins will stop after unit testing if any unit tests fail.  Therefore, contribs, schedulers, and some other system-level automated ...
http://issues.apache.org/jira/browse/HADOOP-7678    Author: Matt Foley, 2014-04-23, 15:43
[HADOOP-7723] Automatically generate good Release Notes - Hadoop - [issue]
...In branch-0.20-security, there is a tool src/docs/relnotes.py, that automatically generates Release Notes.  Fix deficiencies and port it up to trunk....
http://issues.apache.org/jira/browse/HADOOP-7723    Author: Matt Foley, 2014-04-21, 16:43
[AMBARI-5266] Red / green colorblind problem with service status dashboard, etc. - Ambari - [issue]
...The following request was made by a colleague who did not wish to publicize his colorblindness:"I am green colorblind and the red/green service status dots look identical to me (especially o...
http://issues.apache.org/jira/browse/AMBARI-5266    Author: Matt Foley, 2014-04-01, 21:43
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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