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https://issues.apache.org/jira/browse/HBASE-21672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16734269#comment-16734269
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Sean Busbey commented on HBASE-21672:
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this feels a bit hacky. Shouldn't this either be a no-op for filesystems that
don't have locality, or something we can just ask the filesystem? (even if the
current FileSystem API can't do that)
> Allow skipping HDFS block distribution computation
> --------------------------------------------------
>
> Key: HBASE-21672
> URL: https://issues.apache.org/jira/browse/HBASE-21672
> Project: HBase
> Issue Type: Improvement
> Reporter: Nihal Jain
> Assignee: Nihal Jain
> Priority: Major
> Labels: S3
>
> We should have a configuration to skip HDFS block distribution calculation in
> HBase. For example on file systems that do not surface locality such as S3,
> calculating block distribution would not be any useful.
> Currentlly, we do not have a way to skip hdfs block distribution computation.
> For this, we can provide a new configuration key, say
> {{hbase.block.distribution.skip.computation}} (which would be {{false}} by
> default).
> Users using filesystems such as s3 may choose to make this {{true}}, thus
> skipping block distribution computation.
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