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https://issues.apache.org/jira/browse/HADOOP-1026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12473961
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Konstantin Shvachko commented on HADOOP-1026:
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Clarifying on (2):
The class name is somewhat misleading because it does not describe blocks,
which are currently being replicated,
that is under replication, but rather blocks that have low replication factor,
that is under-replicated.
> UnderReplicationBlocks should use generic types
> -----------------------------------------------
>
> Key: HADOOP-1026
> URL: https://issues.apache.org/jira/browse/HADOOP-1026
> Project: Hadoop
> Issue Type: Bug
> Components: dfs
> Reporter: Konstantin Shvachko
> Priority: Minor
>
> 1. HADOOP-659 introduced new class UnderReplicationBlocks, and
> two new warnings about use of generic types
> TreeSet<Block>[] priorityQueues = new TreeSet[LEVEL];
> Iterator<Block>[] iterator = new Iterator[LEVEL];
> should resp. read
> TreeSet<Block>[] priorityQueues = new TreeSet<Block>[LEVEL];
> Iterator<Block>[] iterator = new Iterator<Block>[LEVEL];
> 2. I'd rename class UnderReplicationBlocks to UnderReplicatedBlocks while it
> is still internal.
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