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https://issues.apache.org/jira/browse/HADOOP-7178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uma Maheswara Rao G updated HADOOP-7178:
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Description:
When we copy the files from DFS to local, it is creating the .crc files in
local filesystem for the verification of checksum. When user dont want to do
any check sum verifications, this files will not be useful.
Command line already has an option ignoreCrc, to control this.
So, we should have the similar option on FileSystem also..... like
fs.ignoreCrc().
This should set the setVerifyChecksum to false and also should select the non
CheckSumFileSystem as local fs.
was:
When we copy the files from DFS to local, it is creating the .crc file in local
filesystem for the verification of checksum even if we disable the checksum
verification at client side.
When user does not want to do any checksum verification, then what will
be the use in creating of these files in local file system.
Summary: FileSystem should have an option to control the .crc file
creations at Local. (was: copyToLocal API is creating .crc files in local,
even after setting verifyChecksum to false at client side.)
> FileSystem should have an option to control the .crc file creations at Local.
> -----------------------------------------------------------------------------
>
> Key: HADOOP-7178
> URL: https://issues.apache.org/jira/browse/HADOOP-7178
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Uma Maheswara Rao G
> Assignee: Uma Maheswara Rao G
> Attachments: HADOOP-7178_COMMON.patch, HADOOP-7178_HDFS.patch
>
>
> When we copy the files from DFS to local, it is creating the .crc files in
> local filesystem for the verification of checksum. When user dont want to do
> any check sum verifications, this files will not be useful.
> Command line already has an option ignoreCrc, to control this.
> So, we should have the similar option on FileSystem also..... like
> fs.ignoreCrc().
> This should set the setVerifyChecksum to false and also should select the
> non CheckSumFileSystem as local fs.
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