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Re: Time to address the Guava version problem - Hadoop - [mail # dev]
...I would also agree on upgrading guava. Yes I am aware of the potentialimpact on customers who might rely on hadoop bringing in guava 11. However,IMHO the balance tipped over to the other sid...
   Author: Sangjin Lee, 2014-09-20, 00:13
[expand - 1 more] - Re: should clients be able to override *-site.xml? - YARN - [mail # dev]
...Thanks for the clarification. Yes I agree that there are many ways forusers to override *-site.xml regardless of what the hadoop scripts do. Itwas more of a question of the interpretation of...
   Author: Sangjin Lee, 2014-09-11, 15:39
[YARN-1492] truly shared cache for jars (jobjar/libjar) - YARN - [issue]
...Currently there is the distributed cache that enables you to cache jars and files so that attempts from the same job can reuse them. However, sharing is limited with the distributed cache be...
http://issues.apache.org/jira/browse/YARN-1492    Author: Sangjin Lee, 2014-09-05, 22:31
[HADOOP-11049] javax package system class default is too broad - Hadoop - [issue]
...The system class default defined in ApplicationClassLoader has "javax.". This is too broad. The intent of the system classes is to exempt classes that are provided by the JDK along with hado...
http://issues.apache.org/jira/browse/HADOOP-11049    Author: Sangjin Lee, 2014-09-05, 20:49
[HADOOP-11048] user/custom LogManager fails to load if the client classloader is enabled - Hadoop - [issue]
...If the client classloader is enabled (HADOOP-10893) and you happen to use a user-provided log manager via -Djava.util.logging.manager, it fails to load the custom log manager:Could not load ...
http://issues.apache.org/jira/browse/HADOOP-11048    Author: Sangjin Lee, 2014-09-04, 19:08
[expand - 1 more] - Re: Git repo ready to use - Hadoop - [mail # dev]
...That's good to know. Thanks.On Wed, Sep 3, 2014 at 11:15 PM, Vinayakumar B wrote: ...
   Author: Sangjin Lee, 2014-09-04, 15:55
[YARN-1771] many getFileStatus calls made from node manager for localizing a public distributed cache resource - YARN - [issue]
...We're observing that the getFileStatus calls are putting a fair amount of load on the name node as part of checking the public-ness for localizing a resource that belong in the public cache....
http://issues.apache.org/jira/browse/YARN-1771    Author: Sangjin Lee, 2014-09-04, 00:44
[MAPREDUCE-5069] add concrete common implementations of CombineFileInputFormat - MapReduce - [issue]
...CombineFileInputFormat is abstract, and its specific equivalents to TextInputFormat, SequenceFileInputFormat, etc. are currently not in the hadoop code base.These sound like very common need...
http://issues.apache.org/jira/browse/MAPREDUCE-5069    Author: Sangjin Lee, 2014-09-03, 23:45
[HADOOP-10893] isolated classloader on the client side - Hadoop - [issue]
...We have the job classloader on the mapreduce tasks that run on the cluster. It has a benefit of being able to isolate class space for user code and avoid version clashes.Although it occurs l...
http://issues.apache.org/jira/browse/HADOOP-10893    Author: Sangjin Lee, 2014-09-03, 20:51
[MAPREDUCE-5878] some standard JDK APIs are not part of system classes defaults - MapReduce - [issue]
...There are some standard JDK APIs that are not part of the mapreduce.job.classloader.system.classes property value.Currently the default value covers only "java.,javax." from the JDK. However...
http://issues.apache.org/jira/browse/MAPREDUCE-5878    Author: Sangjin Lee, 2014-09-03, 20:49
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