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https://issues.apache.org/jira/browse/HADOOP-17848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17404300#comment-17404300
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Prabhu Joseph commented on HADOOP-17848:
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[~anoop.hbase]
bq. The call fs.setPermission(filePath, new
FsPermission(FILE_LOG_PERMISSIONS)); is removing the owner/group details?
No. The write call using Append stream is removing the owner/group details.
{code}
stream = fs.append(filePath);
stream.write(888);
{code}
> Hadoop NativeAzureFileSystem append removes ownership set on the file
> ---------------------------------------------------------------------
>
> Key: HADOOP-17848
> URL: https://issues.apache.org/jira/browse/HADOOP-17848
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.3.1
> Reporter: Prabhu Joseph
> Priority: Major
>
> *Repro:* Create Operation sets ownership whereas append operation removes the
> same.
> Create:
> *// -rw-r--r-- 1 root supergroup 1 2021-08-15 11:02 /tmp/dummyfile*
> Append:
> *// -rwxrwxrwx 1 <NULL> <NULL> 2 2021-08-15 11:04 /tmp/dummyfile*
> {code:java}
> import org.apache.hadoop.conf.Configuration;
> import org.apache.hadoop.fs.FSDataOutputStream;
> import org.apache.hadoop.fs.FileSystem;
> import org.apache.hadoop.fs.Path;
> import org.apache.hadoop.fs.permission.FsPermission;
> public class Wasb {
> private static final short FILE_LOG_PERMISSIONS = 0640;
>
> public static void main(String[] args) throws Exception {
>
> Configuration fsConf = new Configuration();
> fsConf.set("fs.azure.enable.append.support", "true");
> Path filePath = new Path("/tmp/dummyfile");
> FileSystem fs = FileSystem.newInstance(filePath.toUri(), fsConf);
> FSDataOutputStream stream = fs.create(filePath, false);
> stream.write(12345);
> stream.close();
> stream = fs.append(filePath);
> stream.write(888);
> stream.close();
> fs.close();
> }
> }
> {code}
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