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[HDFS-8136] Client gets and uses EC schema when reads and writes a stripping file - HDFS - [issue]
...Discussed with Uma Maheswara Rao G and Vinayakumar B, in client when reading and writing a stripping file, it can invoke a separate call to NameNode to request the EC schema associated with ...
http://issues.apache.org/jira/browse/HDFS-8136    Author: Kai Zheng, 2015-04-21, 11:02
[HDFS-8201] Add an end to end test for stripping file writing and reading - HDFS - [issue]
...According to off-line discussion with Zhe Zhang and Xinwei Qin , we need to implement an end to end test for stripping file support: Create an EC zone; Create a file in the zone; Write vario...
http://issues.apache.org/jira/browse/HDFS-8201    Author: Kai Zheng, 2015-04-21, 08:12
[HDFS-8202] Improve end to end stirpping file test to add erasure recovering test - HDFS - [issue]
...This to follow on HDFS-8021 to add erasure recovering test in the end to end stripping file test: After writing certain blocks to the test file, delete some block file; Read the file content...
http://issues.apache.org/jira/browse/HDFS-8202    Author: Kai Zheng, 2015-04-21, 04:57
[HDFS-8156] Add/implement necessary APIs even we just have the system default schema - HDFS - [issue]
...According to the discussion here, this issue was repurposed and modified.This is to add and implement some necessary APIs even we just have the system default schema, to resolve some TODOs l...
http://issues.apache.org/jira/browse/HDFS-8156    Author: Kai Zheng, 2015-04-21, 04:42
[HDFS-7674] Adding metrics for Erasure Coding - HDFS - [issue]
...As the design (in HDFS-7285) indicates, erasure coding involves non-trivial impact and workload for NameNode, DataNode and client; it also allows configurable and pluggable erasure codec and...
http://issues.apache.org/jira/browse/HDFS-7674    Author: Kai Zheng, 2015-04-21, 03:35
[HDFS-8015] Erasure Coding: local and remote block writer for coding work in DataNode - HDFS - [issue]
...As a task of HDFS-7344 ECWorker, in either stripping or non-stripping erasure coding, to perform encoding or decoding, we need to be able to write data blocks locally or remotely. This is to...
http://issues.apache.org/jira/browse/HDFS-8015    Author: Kai Zheng, 2015-04-21, 03:15
[HDFS-8014] Erasure Coding: local and remote block reader for coding work in DataNode - HDFS - [issue]
...As a task of HDFS-7344 ECWorker, in either stripping or non-stripping erasure coding, to perform encoding or decoding, we need first to be able to read locally or remotely data blocks. This ...
http://issues.apache.org/jira/browse/HDFS-8014    Author: Kai Zheng, 2015-04-20, 22:27
[HDFS-7344] [umbrella] Erasure Coding worker and support in DataNode - HDFS - [issue]
...According to HDFS-7285 and the design, this handles DataNode side extension and related support for Erasure Coding. More specifically, it implements ECWorker, which reconstructs lost blocks ...
http://issues.apache.org/jira/browse/HDFS-7344    Author: Kai Zheng, 2015-04-20, 22:01
[HDFS-8024] Erasure Coding: ECworker frame, basics, bootstraping and configuration - HDFS - [issue]
...This is to come up ECWorker itself, considering its basic setup, configuration and bootstrapping, which will be used to frame all the related work together, like BlockGroup, coding work, blo...
http://issues.apache.org/jira/browse/HDFS-8024    Author: Kai Zheng, 2015-04-20, 15:43
[HDFS-7348] Erasure Coding: perform stripping erasure decoding/recovery work given block reader and writer - HDFS - [issue]
...This assumes the facilities like block reader and writer are ready, implements and performs erasure decoding/recovery work in stripping case utilizing erasure codec and coder provided by the...
http://issues.apache.org/jira/browse/HDFS-7348    Author: Kai Zheng, 2015-04-20, 07:59
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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