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https://issues.apache.org/jira/browse/HDFS-15597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17206583#comment-17206583
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Aihua Xu commented on HDFS-15597:
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[~weichiu] Can you review the simple fix? Thanks.
> ContentSummary.getSpaceConsumed does not consider replication
> -------------------------------------------------------------
>
> Key: HDFS-15597
> URL: https://issues.apache.org/jira/browse/HDFS-15597
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: dfs
> Affects Versions: 2.6.0
> Reporter: Ajmal Ahammed
> Assignee: Aihua Xu
> Priority: Minor
> Attachments: HDFS-15597.patch
>
>
> I am trying to get the disk space consumed by an HDFS directory using the
> {{ContentSummary.getSpaceConsumed}} method. I can't get the space consumption
> correctly considering the replication factor. The replication factor is 2,
> and I was expecting twice the size of the actual file size from the above
> method.
> I can't get the space consumption correctly considering the replication
> factor. The replication factor is 2, and I was expecting twice the size of
> the actual file size from the above method.
> {code}
> ubuntu@ubuntu:~/ht$ sudo -u hdfs hdfs dfs -ls /var/lib/ubuntu
> Found 2 items
> -rw-r--r-- 2 ubuntu ubuntu 3145728 2020-09-08 09:55
> /var/lib/ubuntu/size-test
> drwxrwxr-x - ubuntu ubuntu 0 2020-09-07 06:37 /var/lib/ubuntu/test
> {code}
> But when I run the following code,
> {code}
> String path = "/etc/hadoop/conf/";
> conf.addResource(new Path(path + "core-site.xml"));
> conf.addResource(new Path(path + "hdfs-site.xml"));
> long size =
> FileContext.getFileContext(conf).util().getContentSummary(fileStatus).getSpaceConsumed();
> System.out.println("Replication : " + fileStatus.getReplication());
> System.out.println("File size : " + size);
> {code}
> The output is
> {code}
> Replication : 0
> File size : 3145728
> {code}
> Both the file size and the replication factor seems to be incorrect.
> /etc/hadoop/conf/hdfs-site.xml contains the following config:
> {code}
> <property>
> <name>dfs.replication</name>
> <value>2</value>
> </property>
> {code}
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