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https://issues.apache.org/jira/browse/HDFS-8672?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Walter Su updated HDFS-8672:
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Summary: Erasure Coding: Add EC-related Metrics to NN (seperate striped
blocks count from UnderReplicatedBlocks count) (was: Erasure Coding: Add
EC-related Metrics on NN (seperate striped blocks count from
UnderReplicatedBlocks count))
> Erasure Coding: Add EC-related Metrics to NN (seperate striped blocks count
> from UnderReplicatedBlocks count)
> -------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-8672
> URL: https://issues.apache.org/jira/browse/HDFS-8672
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Walter Su
> Assignee: Walter Su
> Priority: Minor
>
> 1. {{MissingBlocks}} metric is updated in HDFS-8461 so it includes striped
> blocks.
> 2. {{CorruptBlocks}} metric is updated in HDFS-8619 so it includes striped
> blocks.
> 3. {{UnderReplicatedBlocks}} and {{PendingReplicationBlocks}} includes
> striped blocks (HDFS-7912).
> This jira aims to seperate striped blocks count from
> {{UnderReplicatedBlocks}} count.
> EC file recovery need coding. It's more expensive than block duplication.
> It's necessary to seperate striped blocks count from UnderReplicatedBlocks
> count. So user can know what's going on.
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