Jing Zhao created HDFS-8619:
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Summary: Erasure Coding: revisit replica counting for striped
blocks
Key: HDFS-8619
URL: https://issues.apache.org/jira/browse/HDFS-8619
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Jing Zhao
Assignee: Jing Zhao
Currently we use the same {{BlockManager#countNodes}} method for striped
blocks, which simply treat each internal block as a replica. However, for a
striped block, we may have more complicated scenario, e.g., we have multiple
replicas of the first internal block while we miss some other internal blocks.
Using the current {{countNodes}} methods can lead to wrong decision in these
scenarios.
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