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https://issues.apache.org/jira/browse/HBASE-16570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15614096#comment-15614096
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binlijin commented on HBASE-16570:
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bq. I don't see where this would impact master startup time
RegionLocationFinder.asyncGetBlockDistribution(HRegionInfo hri) only get a
ListenableFuture<HDFSBlocksDistribution>,and submit task(get region's
HDFSBlocksDistribution) to ListeningExecutorService and
ListeningExecutorService run tasks concurrent, so there are 5 threads to get
region's HDFSBlocksDistribution concurrently.
> Compute region locality in parallel at startup
> ----------------------------------------------
>
> Key: HBASE-16570
> URL: https://issues.apache.org/jira/browse/HBASE-16570
> Project: HBase
> Issue Type: Sub-task
> Reporter: binlijin
> Assignee: binlijin
> Fix For: 2.0.0, 1.4.0, 1.3.1
>
> Attachments: HBASE-16570-master_V1.patch,
> HBASE-16570-master_V2.patch, HBASE-16570-master_V3.patch,
> HBASE-16570-master_V4.patch, HBASE-16570.branch-1.3-addendum.patch,
> HBASE-16570_addnum.patch, HBASE-16570_addnum_v2.patch
>
>
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