dragon created HDFS-10130:
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Summary: CLONE - Erasure Coding: handle missing internal block
locations in DFSStripedInputStream
Key: HDFS-10130
URL: https://issues.apache.org/jira/browse/HDFS-10130
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: dragon
Assignee: Jing Zhao
Fix For: HDFS-7285
Currently DFSStripedInputStream assumes we always have complete internal block
location information, i.e., we can always get all the DataNodes for a striped
block group. In a lot of scenarios the client cannot get complete block
location info, e.g., some internal blocks are missing and the NameNode has not
finished the recovery yet. We should add functionality to handle missing block
locations in DFSStripedInputStream.
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