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https://issues.apache.org/jira/browse/HDFS-14518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16851456#comment-16851456
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Feilong He edited comment on HDFS-14518 at 10/8/19 8:51 AM:
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Hi [~weichiu], this Jira is common to DRAM cache and Pmem cache. So strictly
speaking, it is not only related to HDFS-13762, and the original DRAM cache
will also be affected.
was (Author: philohe):
Hi [~weichiu], this Jira is common to DRAM cache and Pmem cache. So strictly
speaking, it is not only related to HDFS-13762, but the original DRAM cache
will also be affected.
> Optimize HDFS cache checksum and make checksum enabling configurable
> --------------------------------------------------------------------
>
> Key: HDFS-14518
> URL: https://issues.apache.org/jira/browse/HDFS-14518
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: caching, datanode
> Reporter: Feilong He
> Assignee: Feilong He
> Priority: Minor
> Attachments: HDFS-14518-0000.patch
>
>
> HDFS cache checksum can be operated on cached data for verification. And we
> can also consider to make checksum configurable, thus user can shutdown
> checksum operation when caching data.
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