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https://issues.apache.org/jira/browse/HDFS-7674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang resolved HDFS-7674.
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Resolution: Done
I think we can close this since the subtasks are resolved. Thanks everyone for
the hard work!
> [umbrella] Adding metrics for Erasure Coding
> --------------------------------------------
>
> Key: HDFS-7674
> URL: https://issues.apache.org/jira/browse/HDFS-7674
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Kai Zheng
> Assignee: Li Bo
>
> 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 schema with flexible tradeoff
> options (see HDFS-7337). To support necessary analysis and adjustment, we'd
> better have various meaningful metrics for the EC support, like
> encoding/decoding tasks, recovered blocks, read/transferred data size,
> computation time and etc.
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