Kai Zheng created HDFS-7344:
-------------------------------
Summary: Erasure Coding worker and support in DataNode
Key: HDFS-7344
URL: https://issues.apache.org/jira/browse/HDFS-7344
Project: Hadoop HDFS
Issue Type: Sub-task
Components: datanode
Affects Versions: HDFS-EC
Reporter: Kai Zheng
Assignee: Kai Zheng
According to HDFS-7285 and the design, this handles DataNode side extension and
related support for Erasure Coding, and implements ECWorker. It mainly covers
the following aspects, and separate tasks may be opened to handle each of them.
* Process encoding work, calculating parity blocks as specified in block groups
and codec schema;
* Process decoding work, recovering data blocks according to block groups and
codec schema;
* Handle client requests for passive recovery blocks data and serving data on
demand while reconstructing;
* Write parity blocks according to storage policy.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
