hdfs.describe
Returns the metadata associated with a file in HDFS.
Usage
hdfs.describe(
dfs.id)
Arguments
- dfs.id
-
The name of a file in HDFS. The file name can include a path that is either absolute or relative to the current path.
Return Value
A data frame containing the metadata, or NULL
if no metadata was available in HDFS
Example
This example provides information about an HDFS file named ontime_DB:
R> hdfs.describe('ontime_DB')
name
1 path
2 origin
3 class
4 types
5 dim
6 names
7 has.key
8 key.column
9 null.key
10 has.rownames
11 size
12 parts
1 values
2 ontime_DB
3 unknown
.
.
.