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https://issues.apache.org/jira/browse/HDFS-17081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayush Saxena resolved HDFS-17081.
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Fix Version/s: 3.4.0
Hadoop Flags: Reviewed
Resolution: Fixed
> EC: Add logic for striped blocks in isSufficientlyReplicated
> ------------------------------------------------------------
>
> Key: HDFS-17081
> URL: https://issues.apache.org/jira/browse/HDFS-17081
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Haiyang Hu
> Assignee: Haiyang Hu
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
>
> Append ec file check if a block is replicated to at least the minimum
> replication need consider ec block.
> currently only the minimum replication of the replica is considered, the code
> is as follows:
> {code:java}
> /**
> * Check if a block is replicated to at least the minimum replication.
> */
> public boolean isSufficientlyReplicated(BlockInfo b) {
> // Compare against the lesser of the minReplication and number of live
> DNs.
> final int liveReplicas = countNodes(b).liveReplicas();
> if (liveReplicas >= minReplication) {
> return true;
> }
> // getNumLiveDataNodes() is very expensive and we minimize its use by
> // comparing with minReplication first.
> return liveReplicas >= getDatanodeManager().getNumLiveDataNodes();
> }
> {code}
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