Hadoop > mapreduce-dev > August 2010

A input split cannot be less than a dfs block ---------------------------------------------- Key: MAPREDUCE-2046 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2046 Project: Hadoop Map/Reduce ...

The Hadoop PMC has voted to make Scott Chen a committer for the Apache Hadoop Mapreduce project. Welcome Scott! Scott: please file your ICLA (http://www.apache.org/licenses/icla.txt) thanks, dhruba ...

hello guys: I'm doing some experiences on my 3 node virtual machine cluster, one for namenode and jobtracker while the other tow for datanode and tasktracker.with a 0.21.0 hadoop and when I 'm ...

hello guys: I have a Ubuntu 10.04.1 LTS and the Hadoop edition is 0.21.0, my eclipse is eclipse-java-helios-linux-gtk, I copied the plug-in.jar of the hadoop into the plug-in folder of the eclipse , ...

Hi, I am wondering if the patch in MAPREDUCE-1888 can be applied to 0.20.2 branch: https://issues.apache.org/jira/browse/MAPREDUCE-1888 Thanks

DistributedRaidFileSystem not removed from cache on close() ----------------------------------------------------------- Key: MAPREDUCE-2029 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2029 ...

Gridmix3 doesn't emit out proper mesage when user resolver is set and no user list is given ------------------------------------------------------------------------------------------- Key: ...

TestTaskLauncher and TestTaskTrackerLocalization fail with NPE in trunk. ------------------------------------------------------------------------ Key: MAPREDUCE-2031 URL: ...

5th JobTracker constructor (for simulator) uses outdated configs, duplicates code --------------------------------------------------------------------------------- Key: MAPREDUCE-2024 URL: ...

Throwing IOException while submitting the gridmix jobs consecutively through ToolRunner. ---------------------------------------------------------------------------------------- Key: MAPREDUCE-2030 ...

Hi, How can I obtain the list of active TaskTrackers programmatically ? I looked at machines.jsp which uses a reference to JobTracker How do I obtain JobTracker reference from client ? Thanks

It should be able to specify different jvm settings for map and reduce child process (via mapred.child.map.java.opts and mapred.child.reduce.java.opts options) ...

GridMix always throws an FileAlreadyExistsException even ouput directory is not available in HDFS. -------------------------------------------------------------------------------------------------- ...

Remove task-controller from 0.21 branch --------------------------------------- Key: MAPREDUCE-2014 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2014 Project: Hadoop Map/Reduce Issue Type: ...

Is it possible that use ArrayList or other type instead Iterable when use reduce(Object, Iterable, Context)? ...

FairScheduler can wait for JobInProgress lock while holding JobTracker lock --------------------------------------------------------------------------- Key: MAPREDUCE-1995 URL: ...

reduce overhead of findSpeculativeTask -------------------------------------- Key: MAPREDUCE-2047 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2047 Project: Hadoop Map/Reduce Issue Type: ...

[Gridmix] Separate out the -generate option in Gridmix ------------------------------------------------------ Key: MAPREDUCE-2045 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2045 Project: ...

[Gridmix] Document the usage of '-' as the input-trace in GridMix ----------------------------------------------------------------- Key: MAPREDUCE-2044 URL: ...

TaskTrackerInstrumentation and JobTrackerInstrumentation should be public ------------------------------------------------------------------------- Key: MAPREDUCE-2043 URL: ...

InputFormat#getSplits() is called twice in local mode ----------------------------------------------------- Key: MAPREDUCE-2042 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2042 Project: ...

TaskRunner logDir race condition leads to crash on job-acl.xml creation ----------------------------------------------------------------------- Key: MAPREDUCE-2041 URL: ...

Forrest Documentation for Dynamic Priority Scheduler ---------------------------------------------------- Key: MAPREDUCE-2040 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2040 Project: Hadoop ...

Improve speculative execution ----------------------------- Key: MAPREDUCE-2039 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2039 Project: Hadoop Map/Reduce Issue Type: Improvement Reporter: ...

[ https://issues.apache.org/jira/browse/MAPREDUCE-115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Joydeep Sen Sarma resolved MAPREDUCE-115. ...

[ https://issues.apache.org/jira/browse/MAPREDUCE-115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Joydeep Sen Sarma reopened MAPREDUCE-115: ...

Making reduce tasks locality-aware ---------------------------------- Key: MAPREDUCE-2038 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2038 Project: Hadoop Map/Reduce Issue Type: New Feature ...

Capturing interim progress times, CPU usage, and memory usage, when tasks reach certain progress thresholds ...

Enable Erasure Code in Tool similar to Hadoop Archive ----------------------------------------------------- Key: MAPREDUCE-2036 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2036 Project: ...

Enable -Wall and fix warnings in task-controller build ------------------------------------------------------ Key: MAPREDUCE-2035 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2035 Project: ...

TestSubmitJob triggers NPE instead of permissions error ------------------------------------------------------- Key: MAPREDUCE-2034 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2034 Project: ...

[Herriot] Gridmix generate data tests with various submission poilcies and different user resolvers. ...

TestJobOutputCommitter fails in ant test run -------------------------------------------- Key: MAPREDUCE-2032 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2032 Project: Hadoop Map/Reduce ...

streaming should support MultiFileInputFormat --------------------------------------------- Key: MAPREDUCE-2028 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2028 Project: Hadoop Map/Reduce ...

fair share scheduler causes unnecessary preemption under some conditions ------------------------------------------------------------------------ Key: MAPREDUCE-2027 URL: ...

JobTracker.getJobCounters() should not hold JobTracker lock while calling JobInProgress.getCounters() ...

Improve job counter wire protocol with incremental schema and delta values -------------------------------------------------------------------------- Key: MAPREDUCE-2025 URL: ...

TestDFSIO read test may not read specified bytes. ------------------------------------------------- Key: MAPREDUCE-2023 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2023 Project: Hadoop ...

trunk build broken ------------------ Key: MAPREDUCE-2022 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2022 Project: Hadoop Map/Reduce Issue Type: Bug Components: test Affects Versions: ...

CombineFileInputFormat returns duplicate hostnames in split locations ---------------------------------------------------------------------- Key: MAPREDUCE-2021 URL: ...

Use new FileContext APIs for all mapreduce components ------------------------------------------------------ Key: MAPREDUCE-2020 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2020 Project: ...

[ https://issues.apache.org/jira/browse/MAPREDUCE-1777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Krishna Ramachandran resolved MAPREDUCE-1777. ...

Add targets for gridmix unit and system tests in a gridmix build xml file. --------------------------------------------------------------------------- Key: MAPREDUCE-2019 URL: ...

TeraSort example fails in trunk ------------------------------- Key: MAPREDUCE-2018 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2018 Project: Hadoop Map/Reduce Issue Type: Bug Components: ...

Move jobs between queues post-job submit ---------------------------------------- Key: MAPREDUCE-2017 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2017 Project: Hadoop Map/Reduce Issue Type: ...

GridMix throws an ArithmeticException error when tasktracker count is zero while generating the data. ...

Enhance the JobHistory testcases to check event-types ----------------------------------------------------- Key: MAPREDUCE-2013 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2013 Project: ...

Some contrib tests fail in branch 0.21 and trunk ------------------------------------------------ Key: MAPREDUCE-2012 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2012 Project: Hadoop ...

Reduce number of getFileStatus call made from every task(TaskDistributedCache) setup ------------------------------------------------------------------------------------ Key: MAPREDUCE-2011 URL: ...

[Rumen] Parallelize TraceBuilder -------------------------------- Key: MAPREDUCE-2010 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2010 Project: Hadoop Map/Reduce Issue Type: Improvement ...