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https://issues.apache.org/jira/browse/HDFS-9260?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Staffan Friberg updated HDFS-9260:
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Attachment: HDFSBenchmarks.zip
Microbenchmarks
> Improve performance and GC friendliness of startup and FBRs
> -----------------------------------------------------------
>
> Key: HDFS-9260
> URL: https://issues.apache.org/jira/browse/HDFS-9260
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode, namenode, performance
> Affects Versions: 2.7.1
> Reporter: Staffan Friberg
> Assignee: Staffan Friberg
> Attachments: FBR processing.png, HDFS Block and Replica Management
> 20151013.pdf, HDFS-7435.001.patch, HDFS-7435.002.patch, HDFS-7435.003.patch,
> HDFS-7435.004.patch, HDFS-7435.005.patch, HDFS-7435.006.patch,
> HDFS-7435.007.patch, HDFS-9260.008.patch, HDFS-9260.009.patch,
> HDFSBenchmarks.zip
>
>
> This patch changes the datastructures used for BlockInfos and Replicas to
> keep them sorted. This allows faster and more GC friendly handling of full
> block reports.
> Would like to hear peoples feedback on this change.
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