From 40b41ac8fc1aed679d2cd45794c4fb47bdafa9b2 Mon Sep 17 00:00:00 2001 From: Akira Ajisaka Date: Mon, 4 Jan 2016 20:33:17 +0900 Subject: [PATCH] HADOOP-12686. Update FileSystemShell documentation to mention the meaning of each columns of fs -du. Contributed by Daisuke Kobayashi. (cherry picked from commit 1af2917856f8da3ad76bb6cbbc511627a647e091) --- hadoop-common-project/hadoop-common/CHANGES.txt | 3 +++ .../hadoop-common/src/site/markdown/FileSystemShell.md | 4 ++++ 2 files changed, 7 insertions(+) diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt index dbcaabdfc8d..773e55db2ed 100644 --- a/hadoop-common-project/hadoop-common/CHANGES.txt +++ b/hadoop-common-project/hadoop-common/CHANGES.txt @@ -383,6 +383,9 @@ Release 2.8.0 - UNRELEASED HADOOP-12570. HDFS Secure Mode Documentation updates. (Arpit Agarwal via cnauroth) + HADOOP-12686. Update FileSystemShell documentation to mention the meaning + of each columns of fs -du. (Daisuke Kobayashi via aajisaka) + OPTIMIZATIONS HADOOP-11785. Reduce the number of listStatus operation in distcp diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md b/hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md index 689fa1491ab..990fd445f9b 100644 --- a/hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md +++ b/hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md @@ -251,6 +251,10 @@ Options: * The -s option will result in an aggregate summary of file lengths being displayed, rather than the individual files. * The -h option will format file sizes in a "human-readable" fashion (e.g 64.0m instead of 67108864) +The du returns three columns with the following format: + + size disk_space_consumed_with_all_replicas full_path_name + Example: * `hadoop fs -du /user/hadoop/dir1 /user/hadoop/file1 hdfs://nn.example.com/user/hadoop/dir1`