NameDistributionVisitor (Apache Hadoop HDFS 3.4.1.200-dep-1000 API)

java.lang.Object
- org.apache.hadoop.hdfs.tools.offlineImageViewer.NameDistributionVisitor

```
@Private
public class NameDistributionVisitor
extends java.lang.Object
```
File name distribution visitor.
It analyzes file names in fsimage and prints the following information:
- Number of unique file names
- Number file names and the corresponding number range of files that use these same names
- Heap saved if the file name objects are reused

- Constructor Summary
  
  Constructors
  Constructor Description
  
  NameDistributionVisitor(java.lang.String filename, boolean printToScreen)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  protected void write(java.lang.String toWrite)
  Write parameter to output file (and possibly screen).
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructors
Constructor	Description
`NameDistributionVisitor(java.lang.String filename, boolean printToScreen)`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`write(java.lang.String toWrite)`	Write parameter to output file (and possibly screen).

Constructor Detail

NameDistributionVisitor

public NameDistributionVisitor(java.lang.String filename,
                               boolean printToScreen)
                        throws java.io.IOException

Throws:: java.io.IOException

Method Detail
- write
```
protected void write(java.lang.String toWrite)
              throws java.io.IOException
```
  Write parameter to output file (and possibly screen).
  
  Parameters:
  
  toWrite - Text to write to file
  
  Throws:
  
  java.io.IOException

Class NameDistributionVisitor

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

NameDistributionVisitor

Method Detail

write