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[MAPREDUCE-5225] SplitSampler in mapreduce.lib should use a SPLIT_STEP to jump around splits - MapReduce - [issue]
...Now, SplitSampler only samples the first maxSplitsSampled splits, caused by MAPREDUCE-1820. However, jumping around all splits is in general preferable than the first N splits....
http://issues.apache.org/jira/browse/MAPREDUCE-5225    Author: Zhijie Shen, 2015-05-02, 19:27
[MAPREDUCE-5499] Fix synchronization issues of the setters/getters of *PBImpl which take in/return lists - MapReduce - [issue]
...Similar to YARN-609. There're the following *PBImpls which need to be fixed:1. GetDiagnosticsResponsePBImpl2. GetTaskAttemptCompletionEventsResponsePBImpl3. GetTaskReportsResposnePBImpl4. Co...
http://issues.apache.org/jira/browse/MAPREDUCE-5499    Author: Zhijie Shen, 2015-05-02, 18:40
[MAPREDUCE-5203] Make AM of M/R Use NMClient - MapReduce - [issue]
...YARN-422 adds NMClient. AM of mapreduce should use it instead of using the raw ContainerManager proxy directly. ContainerLauncherImpl needs to be changed....
http://issues.apache.org/jira/browse/MAPREDUCE-5203    Author: Zhijie Shen, 2015-05-02, 17:49
[MAPREDUCE-5858] [Umbrella] MR should make use of the timeline server - MapReduce - [issue]
...Now MR relies on its own JobHistoryServer for MR specific history information. Given the timeline server is ready, we should gradually migrate MR historic data to it as well. relieving MR fr...
http://issues.apache.org/jira/browse/MAPREDUCE-5858    Author: Zhijie Shen, 2015-04-22, 18:54
Re: 2.7 status - MapReduce - [mail # dev]
...Can we include YARN-3273 into 2.7? YARN-3430 needs it to fix the RM web UI bug.Thanks,Zhijie________________________________________From: Vinod Kumar Vavilapalli Sent: Monday, March 30, 2015...
   Author: Zhijie Shen, 2015-04-02, 02:46
[MAPREDUCE-5272] A Minor Error in Javadoc of TestMRWithDistributedCache in Branch-1 - MapReduce - [issue]
.../**  * Tests the use of the  * {@link org.apache.hadoop.mapreduce.filecache.DistributedCache} within the  * full MR flow as well as the LocalJobRunner. This oug...
http://issues.apache.org/jira/browse/MAPREDUCE-5272    Author: Zhijie Shen, 2015-03-17, 05:15
[MAPREDUCE-5547] Job history should not be flushed to JHS until AM gets unregistered - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-5547    Author: Zhijie Shen, 2015-02-10, 21:10
[MAPREDUCE-6168] Old MR client is still broken when receiving new counters from MR job - MapReduce - [issue]
...In the following scenarios:1. Either insecure or secure;2. MR 2.2 with new shuffle on NM;3. Submitting via old client.We will see the following console exception:14/11/17 14:56:19 INFO mapre...
http://issues.apache.org/jira/browse/MAPREDUCE-6168    Author: Zhijie Shen, 2014-12-01, 13:17
[MAPREDUCE-6044] Fully qualified intermediate done directory will break per-user dir creation on Windows - MapReduce - [issue]
...After MAPREDUCE-6032, the string of the intermediate done dir will be a fully qualified path.The following code in JobHistoryUtils tries to concat this path and user name to create a per-use...
http://issues.apache.org/jira/browse/MAPREDUCE-6044    Author: Zhijie Shen, 2014-12-01, 03:10
[MAPREDUCE-5831] Old MR client is not compatible with new MR application - MapReduce - [issue]
...Recently, we saw the following scenario:1. The user setup a cluster of hadoop 2.3., which contains YARN 2.3 and MR  2.3.2. The user client on a machine that MR 2.2 is installed and in t...
http://issues.apache.org/jira/browse/MAPREDUCE-5831    Author: Zhijie Shen, 2014-11-25, 15:16
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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