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[HADOOP-11798] Native raw erasure coder in XOR codes - Hadoop - [issue]
...Raw XOR coder is utilized in Reed-Solomon erasure coder in an optimization to recover only one erased block which is in most often case. It can also be used in HitchHiker coder. Therefore a ...
http://issues.apache.org/jira/browse/HADOOP-11798    Author: Kai Zheng, 2015-05-22, 11:01
[HADOOP-12010] Inter-operable between Java RS erasure coder and native RS erasure coder - Hadoop - [issue]
...It's natural and desired to support inter-operable between the two implemented RS raw erasure coders, in other words, data encoded in one coder (like RSRawEncoder) can be decoded using the o...
http://issues.apache.org/jira/browse/HADOOP-12010    Author: Kai Zheng, 2015-05-21, 01:41
[HADOOP-9893] Ticket cache support for MiniKdc - Hadoop - [issue]
...As discussed in HADOOP-9881, it would be good to support ticket cache generation utilizing MiniKdc, which can be used to test some Kerberos cases for UGI regarding user login via kinit or ti...
http://issues.apache.org/jira/browse/HADOOP-9893    Author: Kai Zheng, 2015-05-16, 07:40
[HADOOP-11566] Add tests and fix for erasure coders to recover erased parity units - Hadoop - [issue]
...Discussing with Zhe Zhang in HADOOP-11542: it's planned to have follow up a JIRA to enhance the tests for parity chunks as well. Like erasedDataIndexes, erasedParityIndexes will be added to ...
http://issues.apache.org/jira/browse/HADOOP-11566    Author: Kai Zheng, 2015-05-13, 08:09
[HADOOP-9925] Remove groups static and testing related codes out of UGI class - Hadoop - [issue]
...This refactors UGI class a bit, removing groups static and testing related codes out of it. The testing usage APIs in UGI class are deprecated, and new testing support class with equivalent ...
http://issues.apache.org/jira/browse/HADOOP-9925    Author: Kai Zheng, 2015-05-09, 00:27
[HADOOP-11535] TableMapping related tests failed due to 'successful' resolving of invalid test hostname - Hadoop - [issue]
...When mvn test in my environment, it reported the following.Failed tests:   TestTableMapping.testClearingCachedMappings:144 expected:</[rack1]> but was:</[default-rack]> ...
http://issues.apache.org/jira/browse/HADOOP-11535    Author: Kai Zheng, 2015-04-24, 23:49
[HADOOP-11871] Improve RSRawErasureDecoder avoiding unnecessary compuating and recovering - Hadoop - [issue]
...As discussed in HADOOP-11847, due to and inherited from the limitation of HDFS-RAID codes, RSErasureDecoder has to compute and recover unnecessarily some units even they're not really erased...
http://issues.apache.org/jira/browse/HADOOP-11871    Author: Kai Zheng, 2015-04-23, 06:45
[HADOOP-11860] Enhance erasure coder allowing to read least required inputs in decoding of block group - Hadoop - [issue]
...Based on the work in HADOOP-11847, this will follow on and improve in the ErasureCoder layer accordingly....
http://issues.apache.org/jira/browse/HADOOP-11860    Author: Kai Zheng, 2015-04-21, 23:40
[HADOOP-11766] Generic token authentication support for Hadoop - Hadoop - [issue]
...As a major goal of Rhino project, we proposed TokenAuth effort in HADOOP-9392, where it's to provide a common token authentication framework to integrate multiple authentication mechanisms, ...
http://issues.apache.org/jira/browse/HADOOP-11766    Author: Kai Zheng, 2015-04-20, 12:42
[HADOOP-11649] Erasure Coding: Load multiple erasure codecs - Hadoop - [issue]
...This is to allow to configure erasure codec and coder in core-site configuration file....
http://issues.apache.org/jira/browse/HADOOP-11649    Author: Kai Zheng, 2015-04-17, 10:45
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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