Rui Li created HDFS-9345:
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Summary: Erasure Coding: create dummy coder and schema
Key: HDFS-9345
URL: https://issues.apache.org/jira/browse/HDFS-9345
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Rui Li
Assignee: Rui Li
We can create dummy coder which does no computation and simply returns zero
bytes. Similarly, we can create a test-only schema with no parity blocks.
Such coder and schema can be used to isolate the performance issue to HDFS-side
logic instead of codec, which would be useful when tuning performance of EC.
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