org.apache.hadoop.fs
Class DF
java.lang.Object
org.apache.hadoop.util.Shell
org.apache.hadoop.fs.DF
public class DF
- extends Shell
Filesystem disk space usage statistics. Uses the unix 'df' program.
Tested on Linux, FreeBSD, Cygwin.
DF_INTERVAL_DEFAULT
public static final long DF_INTERVAL_DEFAULT
- See Also:
- Constant Field Values
DF
public DF(File path,
Configuration conf)
throws IOException
- Throws:
IOException
DF
public DF(File path,
long dfInterval)
throws IOException
- Throws:
IOException
getDirPath
public String getDirPath()
getFilesystem
public String getFilesystem()
throws IOException
- Throws:
IOException
getCapacity
public long getCapacity()
throws IOException
- Throws:
IOException
getUsed
public long getUsed()
throws IOException
- Throws:
IOException
getAvailable
public long getAvailable()
throws IOException
- Throws:
IOException
getPercentUsed
public int getPercentUsed()
throws IOException
- Throws:
IOException
getMount
public String getMount()
throws IOException
- Throws:
IOException
toString
public String toString()
- Overrides:
toString
in class Object
getExecString
protected String[] getExecString()
- Description copied from class:
Shell
- return an array containing the command name & its parameters
- Specified by:
getExecString
in class Shell
parseExecResult
protected void parseExecResult(BufferedReader lines)
throws IOException
- Description copied from class:
Shell
- Parse the execution result
- Specified by:
parseExecResult
in class Shell
- Throws:
IOException
main
public static void main(String[] args)
throws Exception
- Throws:
Exception
Copyright © 2008 The Apache Software Foundation