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[MAPREDUCE-2704] CombineFileInputFormat only works when paths are on the default filesystem - MapReduce - [issue]
...CombineFileInputFormat constructs new Path objects by converting an existing path to a URI, and then only pulling out the "path" part of it. This drops the scheme and host, which makes Combi...
http://issues.apache.org/jira/browse/MAPREDUCE-2704    Author: Todd Lipcon, 2012-09-19, 20:28
Re: HDFS dfs.client.read.shortcircuit.skip.checksum - MapReduce - [mail # user]
...Hi LiuLei,  Since you're using CDH3 (a 1.x derived distribution) you are using the old checksum implementations written in Java.  In Hadoop 2.0 (or CDH4), we have JNI-based checksu...
   Author: Todd Lipcon, 2012-09-17, 21:36
[MAPREDUCE-3993] Graceful handling of codec errors during decompression - MapReduce - [issue]
...When using a compression codec for intermediate compression, some cases of corrupt data can cause the codec to throw exceptions other than IOException (eg java.lang.InternalError). This will...
http://issues.apache.org/jira/browse/MAPREDUCE-3993    Author: Todd Lipcon, 2012-09-07, 22:10
[MAPREDUCE-2855] ResourceBundle lookup during counter name resolution takes a lot of time - MapReduce - [issue]
...Loading a job status page in trunk takes a lot of time, and it seems like most of the time is spent resolving counter names. Looking through the JDK source, ResourceBundle.getBundle(String) ...
http://issues.apache.org/jira/browse/MAPREDUCE-2855    Author: Todd Lipcon, 2012-08-19, 06:22
[MAPREDUCE-2565] TestMRCLI still failing on trunk - MapReduce - [issue]
...I imagine this is related to the recent shell commands. Here is an example failed test:https://builds.apache.org//job/PreCommit-MAPREDUCE-Build/344//testReport/org.apache.hadoop.cli/TestMRCL...
http://issues.apache.org/jira/browse/MAPREDUCE-2565    Author: Todd Lipcon, 2012-07-10, 21:27
[MAPREDUCE-2883] MR FI tests failing to build - MapReduce - [issue]
...running ant mvn-install in hadoop-mapreduce-project on branch-0.23 fails in the fault injection compilation...
http://issues.apache.org/jira/browse/MAPREDUCE-2883    Author: Todd Lipcon, 2012-07-10, 21:27
[MAPREDUCE-1994] Linux task-controller determines its own path insecurely - MapReduce - [issue]
...The task-controller uses argv[0] to determine its own path, and then calls stat() on that. Instead it should stat("/proc/self/exe") directly. This is important since argv[0] ...
http://issues.apache.org/jira/browse/MAPREDUCE-1994    Author: Todd Lipcon, 2012-07-10, 21:27
[MAPREDUCE-2242] LinuxTaskController doesn't properly escape environment variables - MapReduce - [issue]
...LinuxTaskController currently just writes "export FOO=bar" pairs into taskjvm.sh, which fails if the value has multiple words or contains a space. This is causing TestDebugScriptWithLinuxTas...
http://issues.apache.org/jira/browse/MAPREDUCE-2242    Author: Todd Lipcon, 2012-07-10, 21:27
[MAPREDUCE-2328] memory-related configurations missing from mapred-default.xml - MapReduce - [issue]
...HADOOP-5881 added new configuration parameters for memory-based scheduling, but they weren't added to mapred-default.xml...
http://issues.apache.org/jira/browse/MAPREDUCE-2328    Author: Todd Lipcon, 2012-07-09, 06:16
[MAPREDUCE-2251] Remove mapreduce.job.userhistorylocation config - MapReduce - [issue]
...Best I can tell, this config parameter is no longer used as of MAPREDUCE-157 but still exists in the code and in mapred-default.xml. We should remove it to avoid user confusion....
http://issues.apache.org/jira/browse/MAPREDUCE-2251    Author: Todd Lipcon, 2012-07-08, 16:18
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