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https://issues.apache.org/jira/browse/HDFS-9809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Virajith Jalaparti updated HDFS-9809:
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Attachment: DFSIO_benchmark_HDFS-9809.docx
The doc attached shows the results of running DFSIO benchmark with trunk and
HDFS-9809 applied on trunk (with the patches from HDFS-10636, HDFS-10637, and
HDFS-10638 applied in that order). The results show that there is no
statistically significant difference in the performance of the two builds
(value +/- std deviations overlap).
> Abstract implementation-specific details from the datanode
> ----------------------------------------------------------
>
> Key: HDFS-9809
> URL: https://issues.apache.org/jira/browse/HDFS-9809
> Project: Hadoop HDFS
> Issue Type: Task
> Components: datanode, fs
> Reporter: Virajith Jalaparti
> Assignee: Virajith Jalaparti
> Attachments: DFSIO_benchmark_HDFS-9809.docx, HDFS-9809.001.patch,
> HDFS-9809.002.patch, HDFS-9809.003.patch, HDFS-9809.004.patch
>
>
> Multiple parts of the Datanode (FsVolumeSpi, ReplicaInfo, FSVolumeImpl etc.)
> implicitly assume that blocks are stored in java.io.File(s) and that volumes
> are divided into directories. We propose to abstract these details, which
> would help in supporting other storages.
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