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https://issues.apache.org/jira/browse/HDFS-17081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17742379#comment-17742379
]
ASF GitHub Bot commented on HDFS-17081:
---------------------------------------
haiyang1987 opened a new pull request, #5833:
URL: https://github.com/apache/hadoop/pull/5833
### Description of PR
https://issues.apache.org/jira/browse/HDFS-17081
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:
/**
```
* 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();
}
```
> Append ec file check if a block is replicated to at least the minimum
> replication need consider striped block
> -------------------------------------------------------------------------------------------------------------
>
> 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
>
> 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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