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[MAPREDUCE-4834] LinuxTaskController DELETE_AS_USER should try to delete as many paths as possible - MapReduce - [issue]
...When task-controller.c:delete_path iterates inodes in a directory tree, it may encounter a deletion failure. However, other directories/files may well be deletable, and the tree walk should ...
http://issues.apache.org/jira/browse/MAPREDUCE-4834    Author: Gera Shegalov, 2014-04-15, 19:34
[MAPREDUCE-5825] Provide diagnostics for reducers killed during ramp down - MapReduce - [issue]
...Since we operate many queues pretty much at their capacity it some times happens that a failed mapper causes a reducer ramp down. However, the user can only see "Container killed by the Appl...
http://issues.apache.org/jira/browse/MAPREDUCE-5825    Author: Gera Shegalov, 2014-04-11, 16:00
[MAPREDUCE-5773] Provide dedicated MRAppMaster syslog length limit - MapReduce - [issue]
...Currently mapreduce.task.userlog.limit.kb controls both the length of task attempt logs and MA-AM attempt logs. Obviously, MR-AM log is not userlog.We are interested in keeping MR-AM log eit...
http://issues.apache.org/jira/browse/MAPREDUCE-5773    Author: Gera Shegalov, 2014-04-10, 14:11
[MAPREDUCE-5754] Preserve Job diagnostics in history - MapReduce - [issue]
...History does not store the runtime diagnostics information. JobHistoryParser tries to blame a task. We propose to preserve the original runtime diagnostics that covers all the cases includin...
http://issues.apache.org/jira/browse/MAPREDUCE-5754    Author: Gera Shegalov, 2014-04-10, 14:11
Re: [VOTE] Release Apache Hadoop 2.4.0 - MapReduce - [mail # dev]
...I built the release from the rc tag, enabled timeline history service andran a sleep job on a pseudo-distributed cluster.I encourage another rc, for 2.4.0 (non-binding)1) Despite the discuss...
   Author: Gera Shegalov, 2014-04-05, 00:06
Re: [VOTE] Release Apache Hadoop 2.3.0 - MapReduce - [mail # dev]
...+1 non-binding- checked out the rc tag and built from source- deployed a pseudo-distributed cluster withyarn.resourcemanager.recovery.enabled=true- ran a sleep job with multiple map waves an...
   Author: Gera Shegalov, 2014-02-13, 03:53
[MAPREDUCE-5693] Restore MRv1 behavior for log flush - MapReduce - [issue]
...to improve log consistency and completeness for diagnostics in the case of JVM crashes and SIGTERMing by NM this JIRA proposes to restore the MRv1 behavior of periodic log syncing (every 5s)...
http://issues.apache.org/jira/browse/MAPREDUCE-5693    Author: Gera Shegalov, 2014-02-01, 03:20
[MAPREDUCE-5692] Add explicit diagnostics when a task attempt is killed due to speculative execution - MapReduce - [issue]
...We need to clearly indicate when a task attempt is killed because another task attempt succeeded first when speculative execution is enabled....
http://issues.apache.org/jira/browse/MAPREDUCE-5692    Author: Gera Shegalov, 2014-01-28, 23:33
[MAPREDUCE-5650] Job fails when hprof mapreduce.task.profile.map/reduce.params is specified - MapReduce - [issue]
...When one uses dedicated hprof mapreduce.task.profile.map.params or mapreduce.task.profile.reduce.params, the profiled tasks will fail to launch because hprof parameters are supplied to the c...
http://issues.apache.org/jira/browse/MAPREDUCE-5650    Author: Gera Shegalov, 2014-01-18, 13:27
[MAPREDUCE-5613] DefaultSpeculator holds and checks hashmap that is always empty - MapReduce - [issue]
...The only way pendingSpeculations is used:     // If the task is already known to be speculation-bait, don't do anything         if (pendingSpeculation...
http://issues.apache.org/jira/browse/MAPREDUCE-5613    Author: Gera Shegalov, 2013-11-13, 13:47
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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