HADOOP-13685. Document -safely option of rm command. Contributed by Xiaoyu Yao.
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/9a61b52f Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/9a61b52f Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/9a61b52f Branch: refs/heads/HADOOP-12756 Commit: 9a61b52fbefd2970af78bb283ae174d462d57a13 Parents: 0992708 Author: Akira Ajisaka <[email protected]> Authored: Wed Oct 5 20:40:22 2016 +0900 Committer: Akira Ajisaka <[email protected]> Committed: Wed Oct 5 20:41:08 2016 +0900 ---------------------------------------------------------------------- .../hadoop-common/src/site/markdown/FileSystemShell.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/9a61b52f/hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md ---------------------------------------------------------------------- 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 a8a1920..ee7bc28 100644 --- a/hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md +++ b/hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md @@ -504,7 +504,7 @@ See [HDFS Snapshots Guide](../hadoop-hdfs/HdfsSnapshots.html). rm ---- -Usage: `hadoop fs -rm [-f] [-r |-R] [-skipTrash] URI [URI ...]` +Usage: `hadoop fs -rm [-f] [-r |-R] [-skipTrash] [-safely] URI [URI ...]` Delete files specified as args. @@ -523,6 +523,7 @@ Options: * The -R option deletes the directory and any content under it recursively. * The -r option is equivalent to -R. * The -skipTrash option will bypass trash, if enabled, and delete the specified file(s) immediately. This can be useful when it is necessary to delete files from an over-quota directory. +* The -safely option will require safety confirmation before deleting directory with total number of files greater than `hadoop.shell.delete.limit.num.files` (in core-site.xml, default: 100). It can be used with -skipTrash to prevent accidental deletion of large directories. Delay is expected when walking over large directory recursively to count the number of files to be deleted before the confirmation. Example: --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
