org.apache.hadoop.fs.s3a.prefetch

Class PrefetchOptions

java.lang.Object

org.apache.hadoop.fs.s3a.prefetch.PrefetchOptions

public class PrefetchOptions
extends Object

Options for the prefetch stream which are built up in PrefetchingInputStreamFactory and passed down.

Constructor Summary

Constructors

Constructor and Description
PrefetchOptions(int prefetchBlockSize, int prefetchBlockCount) Constructor.

Method Summary

Modifier and Type	Method and Description
int	getPrefetchBlockCount() Gets the size of prefetch queue (in number of blocks).
int	getPrefetchBlockSize() Gets the size in bytes of a single prefetch block.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PrefetchOptions

public PrefetchOptions(int prefetchBlockSize,
                       int prefetchBlockCount)

Constructor.

Parameters:

prefetchBlockSize - the size (in number of bytes) of each prefetched block.

prefetchBlockCount - maximum number of prefetched blocks.

Method Detail

getPrefetchBlockSize

public int getPrefetchBlockSize()

Gets the size in bytes of a single prefetch block.

Returns:

the size in bytes of a single prefetch block.

getPrefetchBlockCount

public int getPrefetchBlockCount()

Gets the size of prefetch queue (in number of blocks).

Returns:

the size of prefetch queue (in number of blocks).