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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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Description:
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.
was:
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 and also some help
investigating/understanding a few outstanding issues if we are interested in
moving forward with this.
> 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
>
>
> 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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