[jira] [Commented] (HDFS-9694) Make existing DFSClient#getFileChecksum() work for striped blocks

[Uma Maheswara Rao G (JIRA)]

    [ 
https://issues.apache.org/jira/browse/HDFS-9694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15198216#comment-15198216
 ] 

Uma Maheswara Rao G commented on HDFS-9694:
-------------------------------------------

Thanks [~drankye] for the update. Better now when considering Stripe and 
NonStripe way for checksum computers.

Findbug comments still showing up. I think you need to add the find bug 
comments in 
./hadoop-hdfs-project/hadoop-hdfs-client/dev-support/findbugsExcludeFile.xml 
file.
You may want to add you class in this section
{noformat}
<Match>
    <Or>
      <Class name="org.apache.hadoop.fs.XAttr"/>
      <Class name="org.apache.hadoop.fs.XAttr$Builder"/>
      <Class name="org.apache.hadoop.hdfs.inotify.EventBatch"/>
      <Class name="org.apache.hadoop.hdfs.protocol.HdfsFileStatus"/>
      <Class name="org.apache.hadoop.hdfs.protocol.LocatedBlock"/>
      <Class name="org.apache.hadoop.hdfs.protocol.BlockStoragePolicy"/>
      <Class name="org.apache.hadoop.hdfs.protocol.CorruptFileBlocks"/>
      <Class name="org.apache.hadoop.hdfs.protocol.DirectoryListing"/>
      <Class 
name="org.apache.hadoop.hdfs.security.token.block.BlockTokenIdentifier"/>
      <Class 
name="org.apache.hadoop.hdfs.security.token.block.DataEncryptionKey"/>
      <Class 
name="org.apache.hadoop.hdfs.protocol.SnapshotDiffReport$DiffReportEntry"/>
      <Class 
name="org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus"/>
      <Class 
name="org.apache.hadoop.hdfs.server.protocol.DatanodeStorageReport"/>
      <Class 
name="org.apache.hadoop.hdfs.protocol.datatransfer.sasl.SaslResponseWithNegotiatedCipherOption"/>
      <Class name="org.apache.hadoop.hdfs.DFSPacket"/>
      <Class name="org.apache.hadoop.hdfs.protocol.LocatedStripedBlock"/>
      <Class 
name="org.apache.hadoop.hdfs.util.StripedBlockUtil$ChunkByteArray"/>
    </Or>
    <Bug pattern="EI_EXPOSE_REP,EI_EXPOSE_REP2" />
</Match>
{noformat}


> Make existing DFSClient#getFileChecksum() work for striped blocks
> -----------------------------------------------------------------
>
>                 Key: HDFS-9694
>                 URL: https://issues.apache.org/jira/browse/HDFS-9694
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>         Attachments: HDFS-9694-v1.patch, HDFS-9694-v2.patch, 
> HDFS-9694-v3.patch, HDFS-9694-v4.patch, HDFS-9694-v5.patch, HDFS-9694-v6.patch
>
>
> This is a sub-task of HDFS-8430 and will get the existing API 
> {{FileSystem#getFileChecksum(path)}} work for striped files. It will also 
> refactor existing codes and layout basic work for subsequent tasks like 
> support of the new API proposed there.



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