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[HADOOP-316] job tracker has a deadlock - Hadoop - [issue]
...The JobTracker has a deadlock in the ExpireLaunchingTasks stuff.In particular, it locks the JobTracker and launchingTasks inconsistently.This deadlocks has been observed in the wild and caus...
http://issues.apache.org/jira/browse/HADOOP-316    Author: Owen O'Malley, 2009-07-08, 16:51
[HADOOP-205] the job tracker does not schedule enough map on the cluster - Hadoop - [issue]
...The job tracker during my big sort runs only has 80-120 maps running at a time with 2 tasks/node and 179 nodes and a large queue of map tasks. It seems to be caused by the load balancing usi...
http://issues.apache.org/jira/browse/HADOOP-205    Author: Owen O'Malley, 2009-07-08, 16:51
[HADOOP-208] add failure page to webapp - Hadoop - [issue]
...I'd like a webapp page that just lists the failures in a job so that I can find them more easily. I also want to put back the job detail page....
http://issues.apache.org/jira/browse/HADOOP-208    Author: Owen O'Malley, 2009-07-08, 16:51
[HADOOP-253] we need speculative execution for reduces - Hadoop - [issue]
...With my new http-based shuffle (on top of the svn head including sameer's parallel fetch), I just finished sorting 2010 g on 200 nodes in 8:49 with 9 reduce failures. However, the amusing pa...
http://issues.apache.org/jira/browse/HADOOP-253    Author: Owen O'Malley, 2009-07-08, 16:51
[HADOOP-254] use http to shuffle data between the maps and the reduces - Hadoop - [issue]
...To speed up the shuffle time, I'll use http (via the task tracker's jetty server) to send the map outputs....
http://issues.apache.org/jira/browse/HADOOP-254    Author: Owen O'Malley, 2009-07-08, 16:51
[HADOOP-259] map output http client does not timeout - Hadoop - [issue]
...The new map output http client uses java.net.URLConnection to fetch the data file. However under Java 1.4 there is no way to specify a timeout and it is set to infinite (or if not infinite a...
http://issues.apache.org/jira/browse/HADOOP-259    Author: Owen O'Malley, 2009-07-08, 16:51
[HADOOP-271] add links to task tracker http server from task details and failure pages - Hadoop - [issue]
...Make the machine name in the list of task attempts and failures into links to the correct task tracker http server....
http://issues.apache.org/jira/browse/HADOOP-271    Author: Owen O'Malley, 2009-07-08, 16:51
[HADOOP-278] a missing map/reduce input directory does not produce a user-visible error message - Hadoop - [issue]
...If map/reduce's input directory is in DFS and does not exist, the user has to find the problem in the jobtracker logs rather than either the launching program or the webapp....
http://issues.apache.org/jira/browse/HADOOP-278    Author: Owen O'Malley, 2009-07-08, 16:51
[HADOOP-279] running without the hadoop script causes warnings about log4j not being configured correctly - Hadoop - [issue]
...Anyone who runs hadoop programs without the bin/hadoop script will get a message about log4j not being configured correctly. The problem is that the config file uses the system property "had...
http://issues.apache.org/jira/browse/HADOOP-279    Author: Owen O'Malley, 2009-07-08, 16:51
[HADOOP-174] jobclient kills job for one timeout - Hadoop - [issue]
...The launching application (via JobClient) checks the status once a second. If any timeouts or errors occur, the user's job is killed....
http://issues.apache.org/jira/browse/HADOOP-174    Author: Owen O'Malley, 2009-07-08, 16:51
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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